# Relationship Science (RelSci), Seamless (formally Seamless.AI) vs Lusha Comparison | | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Star Rating** | 3.8 out of 5 | 4.4 out of 5 | 4.3 out of 5 | | **Total Reviews** | 9 | 5,329 | 1,653 | | **Largest Market Segment** | Small-Business (33.3% of reviews) | Small-Business (64.0% of reviews) | Mid-Market (46.9% of reviews) | | **Entry Level Price** | No pricing available | Free Trial | Free Per Month | --- ## Top Pros & Cons ### Relationship Science (RelSci) Pros: - Contact Information (1 reviews) - Intent Data (1 reviews) Cons: - Expensive (1 reviews) ### Seamless (formally Seamless.AI) Pros: - Contact Information (1162 reviews) - Ease of Use (1138 reviews) Cons: - Inaccurate Data (407 reviews) - Outdated Contacts (292 reviews) ### Lusha Pros: - Contact Information (87 reviews) - Ease of Use (66 reviews) Cons: - Data Inaccuracy (49 reviews) - Outdated Contacts (36 reviews) --- ## Ratings Comparison | Rating | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Meets Requirements** | 7.5 (6 reviews) | 8.4 (4772 reviews) | 8.5 (1396 reviews) | | **Ease of Use** | 8.6 (7 reviews) | 8.8 (4914 reviews) | 9.2 (1401 reviews) | | **Ease of Setup** | Not enough data | 8.9 (3930 reviews) | 9.0 (538 reviews) | | **Ease of Admin** | Not enough data | 8.7 (1256 reviews) | 8.8 (373 reviews) | | **Quality of Support** | Not enough data | 8.5 (4213 reviews) | 8.1 (1179 reviews) | | **Has the product been a good partner in doing business?** | Not enough data | 8.5 (1250 reviews) | 8.5 (371 reviews) | | **Product Direction (% positive)** | 5.0 (7 reviews) | 8.7 (4790 reviews) | 8.3 (1363 reviews) | --- ## Pricing ### Relationship Science (RelSci) #### Entry-Level Pricing No pricing available #### Free Trial No information available ### Seamless (formally Seamless.AI) #### Entry-Level Pricing Plan: Free Trial Price: Free Trial Description: Get 50 Free Credits and Try it for Yourself! Key Features: - Verified Emails, Cell Phones and Direct Dials For Everyone You Need to Sell to - Download our Free Chrome Extension - Search Anywhere on the Web, Including LinkedIn Sales Navigator [Browse all 4 editions](https://www.g2.com/products/seamless-formally-seamless-ai/pricing) #### Free Trial Yes ### Lusha #### Entry-Level Pricing Plan: Free Price: Free Per Month Description: 40 credits per month Key Features: - Verified emails & phones - Basic & advanced filters - Company advanced data [Browse all 5 editions](https://www.g2.com/products/lusha/pricing) #### Free Trial Yes --- ## Features Comparison By Category ### Sales Intelligence | Product | Score | Reviews | |---|---|---| | **Relationship Science (RelSci)** | 6.6/10 | 6 | | **Seamless (formally Seamless.AI)** | 7.6/10 | 3058 | | **Lusha** | 7.8/10 | 787 | #### Data Availability | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Contact Data Availability** | 5.0 (5 reviews) | 8.4 (2991 reviews) | 7.9 (700 reviews) | | **Company Data Availability** | 6.0 (5 reviews) | 8.4 (2926 reviews) | 7.9 (573 reviews) | | **Industry Research Availability** | 7.3 (5 reviews) | 8.0 (2825 reviews) ✓ Verified | 7.6 (518 reviews) ✓ Verified | | **Technographic Data Availability** | Not enough data | 7.7 (2036 reviews) | 8.1 (72 reviews) | #### Data Accuracy | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Contact Data Accuracy** | 5.8 (6 reviews) | 7.6 (2924 reviews) | 7.6 (703 reviews) | | **Company Data Accuracy** | 7.5 (6 reviews) | 8.0 (2857 reviews) | 7.7 (568 reviews) | | **Technographic Data Accuracy** | Not enough data | 7.7 (2027 reviews) | 7.8 (72 reviews) | #### Agentic AI - Sales Intelligence | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Autonomous Task Execution** | Not enough data | 6.3 (144 reviews) | 7.7 (41 reviews) | | **Cross-system Integration** | Not enough data | 7.5 (143 reviews) | 7.8 (44 reviews) | | **Adaptive Learning** | Not enough data | 6.3 (143 reviews) | 7.4 (42 reviews) | | **Natural Language Interaction** | Not enough data | 6.4 (144 reviews) | 7.5 (43 reviews) | | **Proactive Assistance** | Not enough data | 6.4 (144 reviews) | 7.7 (42 reviews) | | **Decision Making** | Not enough data | 6.6 (144 reviews) | 7.6 (46 reviews) | #### Platform | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Internationalization** | Not enough data | 7.7 (2292 reviews) | Feature Not Available | | **User, Role, and Access Management** | Not enough data | 8.3 (2381 reviews) ✓ Verified | 8.3 (238 reviews) ✓ Verified | | **Performance and Reliability** | Not enough data | 8.5 (2464 reviews) | 8.5 (270 reviews) | | **Reporting/Dashboards** | Not enough data | Feature Not Available | 8.1 (227 reviews) ✓ Verified | | **Mobile User Support** | Not enough data | 7.5 (2240 reviews) ✓ Verified | 7.7 (61 reviews) | | **APIs** | Not enough data | 7.8 (2257 reviews) | 8.1 (190 reviews) | #### Features | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Lead Builder** | 7.0 (5 reviews) | 8.4 (2782 reviews) | 8.5 (110 reviews) | | **Integration to CRM/Marketing Automation** | Not enough data | 8.2 (2699 reviews) | 7.9 (440 reviews) | | **Data Cleaning/Enrichment** | Not enough data | 7.8 (2669 reviews) ✓ Verified | 7.8 (445 reviews) ✓ Verified | | **Data Segmentation/Filtering** | 5.3 (5 reviews) | 8.0 (2692 reviews) ✓ Verified | 7.9 (103 reviews) | | **Search** | 8.3 (6 reviews) | 8.5 (2862 reviews) ✓ Verified | 8.2 (504 reviews) | | **News/People Alerts** | 7.3 (5 reviews) | 7.2 (2519 reviews) ✓ Verified | 7.4 (94 reviews) | | **Connections** | 6.9 (6 reviews) | 7.7 (2592 reviews) ✓ Verified | 7.8 (101 reviews) | | **Reporting** | 6.1 (6 reviews) | Feature Not Available | 7.7 (326 reviews) | | **Messaging** | Not enough data | Feature Not Available | 7.2 (95 reviews) | ### Lead Generation | Product | Score | Reviews | |---|---|---| | **Relationship Science (RelSci)** | N/A | N/A | | **Seamless (formally Seamless.AI)** | N/A | N/A | | **Lusha** | N/A | N/A | #### Lead Generation | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Lead Builder** | Not enough data | Not enough data | Not enough data | | **CRM Integration** | Not enough data | Not enough data | Not enough data | | **Marketing Automation Integration** | Not enough data | Not enough data | Not enough data | | **Social Media Integration** | Not enough data | Not enough data | Not enough data | | **Data Import & Export Tools** | Not enough data | Not enough data | Not enough data | ### AI Sales Assistant | Product | Score | Reviews | |---|---|---| | **Relationship Science (RelSci)** | N/A | N/A | | **Seamless (formally Seamless.AI)** | N/A | N/A | | **Lusha** | N/A | N/A | #### Lead Facilitation | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Customer-facing Chatbot** | Not enough data | Not enough data | Not enough data | | **Lead Qualification** | Not enough data | Not enough data | Feature Not Available | | **Lead Follow-up** | Not enough data | Not enough data | Not enough data | | **Meeting Scheduling ** | Not enough data | Not enough data | Feature Not Available | #### Organization | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Opportunity and Pipeline Management ** | Not enough data | Not enough data | Not enough data | | **Data Entry** | Not enough data | Not enough data | Not enough data | | **Integrations / APIs** | Not enough data | Not enough data | Not enough data | #### Performance Analysis | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Coaching ** | Not enough data | Not enough data | Not enough data | | **Peformance Tracking** | Not enough data | Not enough data | Not enough data | #### Sales Analysis | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **ROI Forecasting ** | Not enough data | Not enough data | Not enough data | | **Sales Forecasting ** | Not enough data | Not enough data | Not enough data | #### Generative AI | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **AI Text Generation** | Not enough data | Not enough data | Not enough data | | **AI Text Summarization** | Not enough data | Not enough data | Not enough data | #### Agentic AI - AI Sales Assistant | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | | **Multi-step Planning** | Not enough data | Not enough data | Not enough data | | **Cross-system Integration** | Not enough data | Not enough data | Not enough data | | **Adaptive Learning** | Not enough data | Not enough data | Not enough data | | **Natural Language Interaction** | Not enough data | Not enough data | Feature Not Available | | **Proactive Assistance** | Not enough data | Not enough data | Not enough data | | **Decision Making** | Not enough data | Not enough data | Not enough data | ### Sales Engagement | Product | Score | Reviews | |---|---|---| | **Relationship Science (RelSci)** | N/A | N/A | | **Seamless (formally Seamless.AI)** | N/A | N/A | | **Lusha** | 7.6/10 | 44 | #### Integrated Workflows | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Task Management** | Not enough data | Not enough data | Feature Not Available | | **Email Tracking/Automation** | Not enough data | Not enough data | 8.0 (41 reviews) | | **Calls and Voice** | Not enough data | Not enough data | Feature Not Available | | **Other Outreach Options ** | Not enough data | Not enough data | Feature Not Available | | **CRM Integration** | Not enough data | Not enough data | 8.3 (41 reviews) | | **Calendar** | Not enough data | Not enough data | 7.8 (19 reviews) | | **Shared Records** | Not enough data | Not enough data | 7.6 (39 reviews) | #### Repeatability and Reportability | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Content Management** | Not enough data | Not enough data | 8.0 (38 reviews) | | **Workflow Management** | Not enough data | Not enough data | Feature Not Available | | **Workflow Performance** | Not enough data | Not enough data | Feature Not Available | | **Sales Coaching and Insights** | Not enough data | Not enough data | 8.1 (18 reviews) | | **Gamification** | Not enough data | Not enough data | Feature Not Available | #### AI and Automation | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Lead Prioritization** | Not enough data | Not enough data | Feature Not Available | | **Lead Scoring** | Not enough data | Not enough data | Feature Not Available | | **Best Time of Day Scheduling** | Not enough data | Not enough data | 8.1 (16 reviews) | | **Buyer Intelligence** | Not enough data | Not enough data | 8.1 (36 reviews) | | **Machine Learning** | Not enough data | Not enough data | Feature Not Available | #### Generative AI | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **AI Text Generation** | Not enough data | Not enough data | 7.6 (37 reviews) | #### Agentic AI - Sales Engagement | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Autonomous Task Execution** | Not enough data | Not enough data | 7.4 (24 reviews) | | **Multi-step Planning** | Not enough data | Not enough data | 7.0 (24 reviews) | | **Cross-system Integration** | Not enough data | Not enough data | 7.4 (24 reviews) | | **Adaptive Learning** | Not enough data | Not enough data | 7.1 (25 reviews) | | **Natural Language Interaction** | Not enough data | Not enough data | 7.1 (25 reviews) | | **Proactive Assistance** | Not enough data | Not enough data | 7.2 (24 reviews) | | **Decision Making** | Not enough data | Not enough data | 7.3 (23 reviews) | ### Buyer Intent Data Providers | Product | Score | Reviews | |---|---|---| | **Relationship Science (RelSci)** | N/A | N/A | | **Seamless (formally Seamless.AI)** | 8.2/10 | 774 | | **Lusha** | 7.1/10 | 17 | #### Data Availability | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Contact Data Availability** | Not enough data | 8.4 (767 reviews) | 7.8 (15 reviews) | | **Account Data Availability** | Not enough data | 8.4 (764 reviews) | 7.4 (15 reviews) | | **Offline Data** | Not enough data | Feature Not Available | 6.6 (15 reviews) | #### Platform Additional Functionality | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Integrations** | Not enough data | 8.4 (748 reviews) | 7.1 (15 reviews) | | **Topic Customization** | Not enough data | 8.2 (726 reviews) | 6.9 (15 reviews) | | **Natural Language Processing (NLP)** | Not enough data | 8.0 (713 reviews) | 7.0 (15 reviews) | | **Alerts** | Not enough data | 7.8 (710 reviews) | 7.2 (15 reviews) | | **Real-time Intent** | Not enough data | 7.9 (717 reviews) | 7.1 (15 reviews) | ### Lead Intelligence | Product | Score | Reviews | |---|---|---| | **Relationship Science (RelSci)** | N/A | N/A | | **Seamless (formally Seamless.AI)** | 8.2/10 | 3248 | | **Lusha** | 8.1/10 | 229 | #### Lead Intelligence | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Lead Validation** | Not enough data | 8.0 (3159 reviews) | 8.1 (200 reviews) ✓ Verified | | **Lead Enrichment** | Not enough data | 8.0 (3096 reviews) | 8.2 (204 reviews) ✓ Verified | | **Lead Quality** | Not enough data | 7.9 (3185 reviews) | 8.1 (210 reviews) ✓ Verified | | **Lead Analysis** | Not enough data | 7.8 (3040 reviews) | 7.9 (186 reviews) ✓ Verified | | **Browser Extension** | Not enough data | 8.6 (3114 reviews) | 9.0 (203 reviews) ✓ Verified | #### Agentic AI - Lead Intelligence | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Cross-system Integration** | Not enough data | 8.6 (90 reviews) | 7.5 (25 reviews) | ### Lead Capture | Product | Score | Reviews | |---|---|---| | **Relationship Science (RelSci)** | N/A | N/A | | **Seamless (formally Seamless.AI)** | 9.2/10 | 44 | | **Lusha** | 7.9/10 | 264 | #### Lead Monitoring | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Features** | Not enough data | 9.4 (39 reviews) | 8.2 (231 reviews) ✓ Verified | | **Performance** | Not enough data | 9.3 (38 reviews) | 8.2 (228 reviews) ✓ Verified | | **Identification** | Not enough data | 9.1 (39 reviews) | 8.0 (92 reviews) | #### Agentic AI - Lead Capture | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Cross-system Integration** | Not enough data | 9.2 (33 reviews) | 7.6 (28 reviews) | | **Proactive Assistance** | Not enough data | 8.8 (32 reviews) | 7.4 (27 reviews) | #### Data Capture | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Mobile** | Not enough data | 9.0 (38 reviews) | 7.8 (65 reviews) | | **Websites** | Not enough data | 9.2 (38 reviews) | 8.2 (189 reviews) | | **Social Media** | Not enough data | 8.9 (39 reviews) | Feature Not Available | | **Data** | Not enough data | 9.3 (38 reviews) | 8.0 (222 reviews) ✓ Verified | #### Analytics | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Export/Import** | Not enough data | 9.3 (36 reviews) | 8.2 (223 reviews) ✓ Verified | | **Reporting** | Not enough data | 9.2 (37 reviews) | 8.1 (90 reviews) | #### Customization | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Forms** | Not enough data | 9.1 (36 reviews) | 7.6 (191 reviews) ✓ Verified | | **Personalization** | Not enough data | 9.2 (36 reviews) | Feature Not Available | | **Templates** | Not enough data | 9.1 (35 reviews) | 7.7 (193 reviews) ✓ Verified | | **Integration** | Not enough data | 9.3 (35 reviews) | 8.3 (207 reviews) ✓ Verified | ### Lead Mining | Product | Score | Reviews | |---|---|---| | **Relationship Science (RelSci)** | N/A | N/A | | **Seamless (formally Seamless.AI)** | N/A | N/A | | **Lusha** | 8.0/10 | 32 | #### Agentic AI - Lead Mining | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Cross-system Integration** | Not enough data | Not enough data | 8.0 (29 reviews) | | **Proactive Assistance** | Not enough data | Not enough data | 7.9 (30 reviews) | ### Marketing Account Intelligence | Product | Score | Reviews | |---|---|---| | **Relationship Science (RelSci)** | N/A | N/A | | **Seamless (formally Seamless.AI)** | N/A | N/A | | **Lusha** | 8.9/10 | 11 | #### Agentic AI - Marketing Account Intelligence | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | | **Cross-system Integration** | Not enough data | Not enough data | Not enough data | | **Adaptive Learning** | Not enough data | Not enough data | Not enough data | | **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | #### Lead Intelligence | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Market Insights ** | Not enough data | Not enough data | 8.5 (10 reviews) | | **Account-level Insights ** | Not enough data | Not enough data | 9.1 (9 reviews) | | **Lead Analysis ** | Not enough data | Not enough data | 9.1 (9 reviews) | #### Lead Management | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Segmentation ** | Not enough data | Not enough data | Feature Not Available | | **Predictive Scoring ** | Not enough data | Not enough data | Feature Not Available | | **Account Identification ** | Not enough data | Not enough data | Feature Not Available | #### Marketing Campaigns | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Omni-Channel Tracking ** | Not enough data | Not enough data | Feature Not Available | | **Revenue Planning ** | Not enough data | Not enough data | Feature Not Available | | **Media Attribution ** | Not enough data | Not enough data | Feature Not Available | | **Opportunity Timeline ** | Not enough data | Not enough data | Feature Not Available | | **Customization ** | Not enough data | Not enough data | Feature Not Available | #### Data Availability - Marketing Account Intelligence | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Technographic Data Availability** | Not enough data | Not enough data | 8.6 (7 reviews) | #### Data Accuracy - Marketing Account Intelligence | Feature | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Technographic Data Accuracy** | Not enough data | Not enough data | 9.3 (7 reviews) | --- ## Categories **Shared Categories (1):** [Sales Intelligence Software](https://www.g2.com/categories/sales-intelligence) **Unique to Seamless (formally Seamless.AI) (3):** [Lead Intelligence Software](https://www.g2.com/categories/lead-intelligence), [Buyer Intent Data Providers](https://www.g2.com/categories/buyer-intent-data-providers), [Lead Capture Software](https://www.g2.com/categories/lead-capture) **Unique to Lusha (7):** [Lead Mining Software](https://www.g2.com/categories/lead-mining), [AI Sales Assistant Software](https://www.g2.com/categories/ai-sales-assistant), [Lead Intelligence Software](https://www.g2.com/categories/lead-intelligence), [Lead Capture Software](https://www.g2.com/categories/lead-capture), [Sales Engagement Software](https://www.g2.com/categories/sales-engagement), [Buyer Intent Data Providers](https://www.g2.com/categories/buyer-intent-data-providers), [Marketing Account Intelligence Software](https://www.g2.com/categories/marketing-account-intelligence) --- ## Reviewer Demographics ### By Company Size | Segment | Relationship Science (RelSci) | Seamless (formally Seamless.AI) | Lusha | |---|---|---|---| | **Small-Business** | 33.3% | 64.0% | 39.4% | | **Mid-Market** | 33.3% | 29.2% | 46.9% | | **Enterprise** | 33.3% | 6.8% | 13.8% | ### By Industry #### Relationship Science (RelSci) - **Non-Profit Organization Management:** 25.0% - **Information Technology and Services:** 12.5% - **Higher Education:** 12.5% - **Fund-Raising:** 12.5% - **Computer Software:** 12.5% - **Banking:** 12.5% - **Accounting:** 12.5% #### Seamless (formally Seamless.AI) - **Information Technology and Services:** 14.0% - **Computer Software:** 12.8% - **Marketing and Advertising:** 11.6% - **Consulting:** 4.2% - **Staffing and Recruiting:** 4.0% - **Financial Services:** 3.7% - **Logistics and Supply Chain:** 2.7% - **Telecommunications:** 2.1% - **Computer & Network Security:** 2.0% - **Manufacturing:** 2.0% - **Other:** 40.9% #### Lusha - **Information Technology and Services:** 21.1% - **Computer Software:** 18.9% - **Staffing and Recruiting:** 9.6% - **Human Resources:** 5.7% - **Marketing and Advertising:** 5.5% - **Financial Services:** 3.2% - **Internet:** 2.6% - **Telecommunications:** 1.9% - **Events Services:** 1.7% - **Market Research:** 1.7% - **Other:** 28.1% --- ## Alternatives ### Alternatives to Relationship Science (RelSci) - [GTM Workspace - Powered by ZoomInfo](https://www.g2.com/products/gtm-workspace-powered-by-zoominfo/reviews) — 4.5/5 stars (9093 reviews) - [LinkedIn Sales Navigator](https://www.g2.com/products/linkedin-sales-navigator/reviews) — 4.4/5 stars (2199 reviews) - [Adapt](https://www.g2.com/products/adapt-adapt/reviews) — 4.6/5 stars (2792 reviews) - [Apollo.io](https://www.g2.com/products/apollo-io/reviews) — 4.7/5 stars (9652 reviews) - [Instantly](https://www.g2.com/products/instantly/reviews) — 4.8/5 stars (4094 reviews) - [CaptivateIQ](https://www.g2.com/products/captivateiq/reviews) — 4.7/5 stars (3485 reviews) - [Demandbase One](https://www.g2.com/products/demandbase-one/reviews) — 4.4/5 stars (1947 reviews) - [Mr. E by EasyLeadz](https://www.g2.com/products/mr-e-by-easyleadz/reviews) — 4.6/5 stars (1937 reviews) - [Reply](https://www.g2.com/products/reply/reviews) — 4.6/5 stars (1542 reviews) - [RocketReach](https://www.g2.com/products/rocketreach/reviews) — 4.4/5 stars (1364 reviews) ### Alternatives to Seamless (formally Seamless.AI) - [Apollo.io](https://www.g2.com/products/apollo-io/reviews) — 4.7/5 stars (9652 reviews) - [GTM Workspace - Powered by ZoomInfo](https://www.g2.com/products/gtm-workspace-powered-by-zoominfo/reviews) — 4.5/5 stars (9093 reviews) - [SalesIntel](https://www.g2.com/products/salesintel/reviews) — 4.3/5 stars (539 reviews) - [Lead411](https://www.g2.com/products/lead411/reviews) — 4.5/5 stars (478 reviews) - [RocketReach](https://www.g2.com/products/rocketreach/reviews) — 4.4/5 stars (1364 reviews) - [LeadIQ](https://www.g2.com/products/leadiq/reviews) — 4.2/5 stars (1176 reviews) - [6sense Sales Intelligence](https://www.g2.com/products/6sense-sales/reviews) — 4.0/5 stars (947 reviews) - [UpLead](https://www.g2.com/products/uplead/reviews) — 4.7/5 stars (821 reviews) - [Clearbit](https://www.g2.com/products/clearbit/reviews) — 4.4/5 stars (633 reviews) - [LinkedIn Sales Navigator](https://www.g2.com/products/linkedin-sales-navigator/reviews) — 4.4/5 stars (2199 reviews) ### Alternatives to Lusha - [Apollo.io](https://www.g2.com/products/apollo-io/reviews) — 4.7/5 stars (9652 reviews) - [GTM Workspace - Powered by ZoomInfo](https://www.g2.com/products/gtm-workspace-powered-by-zoominfo/reviews) — 4.5/5 stars (9093 reviews) - [Lead411](https://www.g2.com/products/lead411/reviews) — 4.5/5 stars (478 reviews) - [RocketReach](https://www.g2.com/products/rocketreach/reviews) — 4.4/5 stars (1364 reviews) - [UpLead](https://www.g2.com/products/uplead/reviews) — 4.7/5 stars (821 reviews) - [Mr. E by EasyLeadz](https://www.g2.com/products/mr-e-by-easyleadz/reviews) — 4.6/5 stars (1937 reviews) - [Cognism](https://www.g2.com/products/cognism/reviews) — 4.5/5 stars (1327 reviews) - [Wiza](https://www.g2.com/products/wiza/reviews) — 4.5/5 stars (1206 reviews) - [LeadIQ](https://www.g2.com/products/leadiq/reviews) — 4.2/5 stars (1176 reviews) - [6sense Sales Intelligence](https://www.g2.com/products/6sense-sales/reviews) — 4.0/5 stars (947 reviews) --- ## Top Discussions ### Relationship Science (RelSci) - Title: [What is Relationship Science (RelSci) used for?](https://www.g2.com/discussions/what-is-relationship-science-relsci-used-for) — 1 comment > **Top comment:** "Relationship Science (RelSci) helps organizations make the most of their connections by mapping relationships between individuals and organizations. It’s..." ### Seamless (formally Seamless.AI) - Title: [What is Seamless.ai used for?](https://www.g2.com/discussions/what-is-seamless-ai-used-for) — 4 comments, 2 upvotes > **Top comment:** "Finding leads across various industries. Their technology, only 30% accurate, in my experience, delivers phone numbers and email for cold sales calls...." - Title: [Is seamless Ai legal?](https://www.g2.com/discussions/is-seamless-ai-legal) — 4 comments > **Top comment:** "If using Seamless is wrong then I do not want to be right... Of course it is legal. I use it daily, a great tool to dig deeper into a company and learn more..." - Title: [What does seamless AI do?](https://www.g2.com/discussions/what-does-seamless-ai-do) — 4 comments > **Top comment:** "Seamless AI helps me find the right team members to contact, also it gives me a overview of the other co-works that can also be very helpful. " - Title: [Is anyone else having problems with email accuracy (bounce) levels?](https://www.g2.com/discussions/is-anyone-else-having-problems-with-email-accuracy-bounce-levels) — 2 comments, 1 upvote > **Top comment:** "Yes I have that problem. I create my list and then run it through third party email verification services. I use a service I found on Fiverr. Very cheap...." - Title: [How do you narrow down geography in the Seamless Ai application](https://www.g2.com/discussions/42938-how-do-you-narrow-down-geography-in-the-seamless-ai-application) — 2 comments, 2 upvotes > **Top comment:** "Radius" ### Lusha - Title: [How do I connect LinkedIn to Lusha?](https://www.g2.com/discussions/how-do-i-connect-linkedin-to-lusha) — 3 comments > **Top comment:** "Just download its extension from Chrome or it's website" - Title: [Is Lusha Database is relevant in Indian market ?](https://www.g2.com/discussions/is-lusha-database-is-relevant-in-indian-market) — 2 comments, 1 upvote > **Top comment:** "Nope" - Title: [Where does Lusha get data from?](https://www.g2.com/discussions/where-does-lusha-get-data-from) — 2 comments > **Top comment:** "Lusha gathers business contact information and other data associated with business professionals from a variety of sources, including: Company..." - Title: [How much does Lusha cost?](https://www.g2.com/discussions/how-much-does-lusha-cost) — 2 comments, 1 upvote > **Top comment:** "in Canada `1200/year and change" - Title: [If looking to change from zoominfo to lusha is an advisable?](https://www.g2.com/discussions/if-looking-to-change-from-zoominfo-to-lusha-is-an-advisable) — 2 comments, 1 upvote > **Top comment:** "I would split it half and half, in my experience there is little overlap in the information the two provide." --- **Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/relationship-science-relsci-vs-seamless-formally-seamless-ai-vs-lusha)