# Interseller vs Mailshake Comparison
---
## AI Generated Summary
- **G2 reviewers report** that while both Interseller and Mailshake have received high star ratings, Mailshake's overall G2 Score is notably higher, indicating a stronger user satisfaction level. This is reflected in the recent feedback, where users appreciate Mailshake's intuitive interface and the ease of making quick adjustments to campaigns.
- **Users say** that Interseller excels in its **sequencing tool** , which is praised for its user-friendliness and seamless integration with existing CRM systems. This feature allows users to efficiently follow up with prospects, ensuring that all records are updated automatically.
- **Reviewers mention** that Mailshake stands out with its **email warmup feature** , which enhances email deliverability. Users have found this feature particularly beneficial for maintaining high engagement rates, showcasing Mailshake's focus on optimizing outreach effectiveness.
- **According to verified reviews** , Interseller's ease of setup is a significant advantage, with users highlighting the straightforward onboarding process. This contrasts with Mailshake, where some users have noted that while the setup is easy, it can feel less streamlined when adjusting campaigns on the fly.
- **Users report** that both platforms offer solid support, but Interseller receives slightly higher marks for quality of support. Reviewers appreciate the responsiveness and helpfulness of Interseller's support team, which can be crucial for small businesses navigating sales engagement tools.
- **Reviewers highlight** that while Interseller is particularly strong in **CRM integration** and lead scoring, Mailshake offers a broader range of outreach options, making it a more versatile choice for teams looking to manage all aspects of their sales outreach in one place.



| | Interseller | Mailshake | 
|---|---|---|
| **Star Rating** | 4.7 out of 5 | 4.7 out of 5 | 
| **Total Reviews** | 210 | 371 | 
| **Largest Market Segment** | Small-Business (78.7% of reviews) | Small-Business (90.9% of reviews) | 
| **Entry Level Price** | Starting at $600.00 3 Users Per Month | $99.00 10 Mail Accounts Per Month | 

---
## Top Pros & Cons

### Interseller

Pros:
- Ease of Use (10 reviews)
- Helpful (7 reviews)

Cons:
- Email Management (7 reviews)
- Missing Features (4 reviews)

### Mailshake

Pros:
- Ease of Use (35 reviews)
- Time-saving (26 reviews)

Cons:
- Missing Features (8 reviews)
- Integration Issues (5 reviews)

---
## Ratings Comparison
| Rating | Interseller | Mailshake | 
|---|---|---|
  | **Meets Requirements** | 9.2 (171 reviews) | 9.1 (266 reviews) | 
  | **Ease of Use** | 9.5 (171 reviews) | 9.1 (275 reviews) | 
  | **Ease of Setup** | 9.3 (63 reviews) | 9.1 (172 reviews) | 
  | **Ease of Admin** | 9.3 (64 reviews) | 9.3 (101 reviews) | 
  | **Quality of Support** | 9.5 (168 reviews) | 9.4 (246 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.5 (64 reviews) | 9.5 (94 reviews) | 
  | **Product Direction (% positive)** | 9.4 (163 reviews) | 9.1 (259 reviews) | 

---
## Pricing

### Interseller

#### Entry-Level Pricing

Plan: Agency Plan

Price: Starting at $600.00 3 Users Per Month

Key Features:
- Source via Chrome Extension
- 250 Email Lookups (Work or Personal)
- Store Unlimited Contacts

[Learn more about Interseller](https://www.g2.com/products/interseller/reviews)

#### Free Trial

No

### Mailshake

#### Entry-Level Pricing

Plan: Sales Engagement

Price: $99.00 10 Mail Accounts Per Month

Key Features:
- 10 Email Addresses
- 5 Phone Numbers
- Power Phone Dialer

[Browse all 3 editions](https://www.g2.com/products/mailshake/pricing)

#### Free Trial

No

---
## Features Comparison By Category

### Email Marketing

| Product | Score | Reviews |
|---|---|---|
| **Interseller** | 8.9/10 | 82 |
| **Mailshake** | N/A | N/A |

#### Email Marketing

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Email and Mobile Preview** | 8.9 (18 reviews) | Not enough data | 
| **Manage Email Lists** | 8.9 (67 reviews) ✓ Verified | Not enough data | 
| **High-Volume Sending** | 9.0 (27 reviews) | Not enough data | 
| **Building and Personalizing Emails** | 9.3 (67 reviews) ✓ Verified | Not enough data | 
| **Sending Outbound Emails** | 9.5 (70 reviews) ✓ Verified | Not enough data | 
| **Manage Email Deliverability** | 8.9 (70 reviews) | Not enough data | 
| **Automated Email Responses** | 8.6 (24 reviews) | Not enough data | 
| **Multi-user Account** | 8.6 (49 reviews) ✓ Verified | Not enough data | 
| **Surveys** | Feature Not Available | Not enough data | 

#### Reporting & Analytics

| Feature | Interseller | Mailshake | 
|---|---|---|
| **A/B Testing** | 8.7 (48 reviews) ✓ Verified | Not enough data | 
| **Basic Reporting** | 8.7 (65 reviews) ✓ Verified | Not enough data | 

#### Generative AI

| Feature | Interseller | Mailshake | 
|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | 

#### Agentic AI - Email Marketing

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 

#### Integration

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Data Import & Export Tools** | 8.9 (30 reviews) ✓ Verified | Not enough data | 
| **Integration APIs** | 8.5 (26 reviews) ✓ Verified | Not enough data | 
| **Breadth of Partner Applications** | 8.6 (20 reviews) ✓ Verified | Not enough data | 
| **CRM Integration** | 8.9 (27 reviews) ✓ Verified | Not enough data | 
| **Social Media Integration** | Feature Not Available | Not enough data | 
| **E-Commerce Integration** | 9.0 (5 reviews) | Not enough data | 

### Sales Intelligence

| Product | Score | Reviews |
|---|---|---|
| **Interseller** | N/A | N/A |
| **Mailshake** | 7.5/10 | 18 |

#### Data Availability

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Contact Data Availability** | Not enough data | 7.7 (10 reviews) | 
| **Company Data Availability** | Not enough data | 7.8 (10 reviews) | 
| **Industry Research Availability** | Not enough data | 6.5 (9 reviews) | 
| **Technographic Data Availability** | Not enough data | 6.7 (8 reviews) | 

#### Data Accuracy

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Contact Data Accuracy** | Not enough data | 7.4 (9 reviews) | 
| **Company Data Accuracy** | Not enough data | 7.0 (10 reviews) | 
| **Technographic Data Accuracy** | Not enough data | 7.1 (7 reviews) | 

#### Agentic AI - Sales Intelligence

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

#### Platform

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Internationalization** | Not enough data | 8.6 (14 reviews) | 
| **User, Role, and Access Management** | Not enough data | 9.0 (14 reviews) | 
| **Performance and Reliability** | Not enough data | 9.0 (16 reviews) | 
| **Reporting/Dashboards** | Not enough data | 8.7 (15 reviews) | 
| **Mobile User Support** | Not enough data | 8.1 (14 reviews) | 
| **APIs** | Not enough data | 7.8 (13 reviews) | 

#### Features

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Lead Builder** | Not enough data | 7.7 (10 reviews) | 
| **Integration to CRM/Marketing Automation** | Not enough data | 6.3 (9 reviews) | 
| **Data Cleaning/Enrichment** | Not enough data | 8.3 (11 reviews) | 
| **Data Segmentation/Filtering** | Not enough data | 6.7 (10 reviews) | 
| **Search** | Not enough data | 7.2 (10 reviews) | 
| **News/People Alerts** | Not enough data | 6.3 (10 reviews) | 
| **Connections** | Not enough data | 6.1 (9 reviews) | 
| **Reporting** | Not enough data | 7.8 (9 reviews) | 
| **Messaging** | Not enough data | 8.5 (8 reviews) | 

### Email Deliverability

| Product | Score | Reviews |
|---|---|---|
| **Interseller** | 8.9/10 | 61 |
| **Mailshake** | N/A | N/A |

#### Diagnosis

| Feature | Interseller | Mailshake | 
|---|---|---|
| **IP Address ** | 9.0 (28 reviews) | Not enough data | 
| **Domains** | 8.9 (31 reviews) | Not enough data | 
| **Content ** | 8.9 (36 reviews) | Not enough data | 
| **Policy Compliance** | 8.9 (33 reviews) | Not enough data | 

#### Tracking

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Processing Time** | Feature Not Available | Not enough data | 
| **Placement ** | Feature Not Available | Not enough data | 
| **Open Rate** | 9.2 (57 reviews) | Not enough data | 
| **Time to Open** | 9.1 (51 reviews) | Not enough data | 
| **Alerts** | 8.6 (38 reviews) | Not enough data | 

#### Reporting

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Campaign Performance** | 9.2 (55 reviews) | Not enough data | 
| **Domain Reputation** | 8.6 (35 reviews) | Not enough data | 
| **Brand Reputation** | 8.8 (36 reviews) | Not enough data | 
| **Blacklist and Whitelist** | 8.5 (36 reviews) | Not enough data | 

#### Agentic AI - Email Deliverability

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### Sales Engagement

| Product | Score | Reviews |
|---|---|---|
| **Interseller** | 8.8/10 | 66 |
| **Mailshake** | 7.7/10 | 190 |

#### Integrated Workflows

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Task Management** | 8.3 (41 reviews) ✓ Verified | 8.3 (134 reviews) ✓ Verified | 
| **Email Tracking/Automation** | 9.4 (62 reviews) ✓ Verified | 9.2 (184 reviews) ✓ Verified | 
| **Calls and Voice** | Feature Not Available | 7.5 (93 reviews) | 
| **Other Outreach Options ** | 7.4 (41 reviews) ✓ Verified | 7.9 (122 reviews) | 
| **CRM Integration** | 9.2 (54 reviews) ✓ Verified | 8.2 (125 reviews) ✓ Verified | 
| **Calendar** | 8.9 (6 reviews) | 8.0 (113 reviews) | 
| **Shared Records** | 9.0 (8 reviews) | 8.0 (110 reviews) | 

#### Repeatability and Reportability

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Content Management** | 8.6 (51 reviews) ✓ Verified | 8.3 (123 reviews) | 
| **Workflow Management** | 8.9 (51 reviews) ✓ Verified | 8.6 (140 reviews) ✓ Verified | 
| **Workflow Performance** | 8.8 (50 reviews) ✓ Verified | 8.7 (111 reviews) | 
| **Gamification** | Not enough data | 7.2 (101 reviews) | 

#### AI and Automation

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Lead Prioritization** | 9.0 (7 reviews) | 8.1 (125 reviews) | 
| **Lead Scoring** | 9.4 (6 reviews) | 8.1 (118 reviews) | 
| **Best Time of Day Scheduling** | 8.5 (10 reviews) | 8.5 (132 reviews) | 
| **Buyer Intelligence** | Not enough data | 7.7 (106 reviews) | 
| **Machine Learning** | Not enough data | 7.5 (108 reviews) | 

#### Generative AI

| Feature | Interseller | Mailshake | 
|---|---|---|
| **AI Text Generation** | Not enough data | 7.3 (56 reviews) | 

#### Agentic AI - Sales Engagement

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | 6.8 (21 reviews) | 
| **Multi-step Planning** | Not enough data | 7.1 (21 reviews) | 
| **Cross-system Integration** | Not enough data | 7.1 (21 reviews) | 
| **Adaptive Learning** | Not enough data | 6.7 (21 reviews) | 
| **Natural Language Interaction** | Not enough data | 6.7 (21 reviews) | 
| **Proactive Assistance** | Not enough data | 6.6 (20 reviews) | 
| **Decision Making** | Not enough data | 6.4 (21 reviews) | 

### Candidate Relationship Management

| Product | Score | Reviews |
|---|---|---|
| **Interseller** | 9.1/10 | 70 |
| **Mailshake** | N/A | N/A |

#### Basics

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Reporting** | 8.8 (42 reviews) | Not enough data | 
| **Interoperability** | 8.7 (33 reviews) | Not enough data | 
| **Performance** | 9.4 (42 reviews) | Not enough data | 

#### Additional Functionality

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Dashboard** | 9.1 (45 reviews) | Not enough data | 
| **Cloud** | 9.5 (25 reviews) | Not enough data | 
| **Mobility** | Feature Not Available | Not enough data | 

#### Content

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Automation** | 9.5 (42 reviews) | Not enough data | 
| **File Sharing** | 9.0 (25 reviews) | Not enough data | 

#### Recruiting and Onboarding

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Sourcing and Candidate Identification** | 8.8 (36 reviews) ✓ Verified | Not enough data | 
| **Interview Scheduling** | Feature Not Available | Not enough data | 
| **Applicant Tracking** | 8.6 (6 reviews) | Not enough data | 

#### Platform

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Customization ** | 8.3 (27 reviews) ✓ Verified | Not enough data | 
| **Integration APIs** | 8.7 (21 reviews) ✓ Verified | Not enough data | 
| **Internationalization** | 8.2 (18 reviews) ✓ Verified | Not enough data | 
| **User, Role, and Access Management** | 8.8 (28 reviews) ✓ Verified | Not enough data | 
| **Performance** | 9.1 (30 reviews) ✓ Verified | Not enough data | 
| **Mobility** | 8.0 (9 reviews) | Not enough data | 
| **Reporting** | 8.2 (28 reviews) ✓ Verified | Not enough data | 
| **Dashboards** | 8.8 (31 reviews) ✓ Verified | Not enough data | 

### Recruiting Automation

| Product | Score | Reviews |
|---|---|---|
| **Interseller** | 8.6/10 | 66 |
| **Mailshake** | N/A | N/A |

#### Platform Functionality

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Sourcing and Candidate Identification** | 8.8 (36 reviews) ✓ Verified | Not enough data | 
| **Job Posting** | Feature Not Available | Not enough data | 
| **Interview Scheduling** | Feature Not Available | Not enough data | 
| **Applicant Tracking** | 8.6 (6 reviews) | Not enough data | 

#### Agentic AI - Recruiting Automation

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

#### Platform

| Feature | Interseller | Mailshake | 
|---|---|---|
| **Customization ** | 8.3 (27 reviews) ✓ Verified | Not enough data | 
| **Integration APIs** | 8.7 (21 reviews) ✓ Verified | Not enough data | 
| **Internationalization** | 8.2 (18 reviews) ✓ Verified | Not enough data | 
| **User, Role, and Access Management** | 8.8 (28 reviews) ✓ Verified | Not enough data | 
| **Performance** | 9.1 (30 reviews) ✓ Verified | Not enough data | 
| **Mobility** | 8.0 (9 reviews) | Not enough data | 
| **Reporting** | 8.2 (28 reviews) ✓ Verified | Not enough data | 
| **Dashboards** | 8.8 (31 reviews) ✓ Verified | Not enough data | 

### Recruiting

| Product | Score | Reviews |
|---|---|---|
| **Interseller** | N/A | N/A |
| **Mailshake** | N/A | N/A |

#### Generative AI

| Feature | Interseller | Mailshake | 
|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Sales Engagement Software](https://www.g2.com/categories/sales-engagement)

**Unique to Interseller (4):** [Email Deliverability Tools](https://www.g2.com/categories/email-deliverability), [Recruiting Automation Software](https://www.g2.com/categories/recruiting-automation), [Email Marketing Software](https://www.g2.com/categories/email-marketing), [Candidate Relationship Management Software](https://www.g2.com/categories/candidate-relationship-management)

**Unique to Mailshake (1):** [Sales Intelligence Software](https://www.g2.com/categories/sales-intelligence)


---
## Reviewer Demographics

### By Company Size

| Segment | Interseller | Mailshake | 
|---|---|---|
| **Small-Business** | 78.7% | 90.9% | 
| **Mid-Market** | 18.8% | 8.3% | 
| **Enterprise** | 2.4% | 0.8% | 

### By Industry

#### Interseller

- **Staffing and Recruiting:** 22.2%
- **Computer Software:** 15.5%
- **Information Technology and Services:** 9.7%
- **Internet:** 6.8%
- **Human Resources:** 4.8%
- **Marketing and Advertising:** 3.4%
- **Hospital & Health Care:** 2.9%
- **Accounting:** 2.4%
- **Consumer Goods:** 2.4%
- **Management Consulting:** 1.9%
- **Other:** 28.0%

#### Mailshake

- **Marketing and Advertising:** 28.2%
- **Computer Software:** 10.6%
- **Information Technology and Services:** 9.5%
- **Financial Services:** 3.4%
- **Consulting:** 2.8%
- **Internet:** 2.2%
- **Real Estate:** 2.2%
- **Education Management:** 2.0%
- **Entertainment:** 1.7%
- **Staffing and Recruiting:** 1.7%
- **Other:** 35.8%

---
## Alternatives

### Alternatives to Interseller

- [Snov.io](https://www.g2.com/products/snov-io/reviews) — 4.5/5 stars (492 reviews)
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- [HubSpot Sales Hub](https://www.g2.com/products/hubspot-sales-hub/reviews) — 4.4/5 stars (13813 reviews)
- [Instantly](https://www.g2.com/products/instantly/reviews) — 4.8/5 stars (4094 reviews)
- [lemlist](https://www.g2.com/products/lemlist/reviews) — 4.6/5 stars (1603 reviews)

---
## Top Discussions

### Interseller

- Title: [Who do you integrate with?](https://www.g2.com/discussions/who-do-you-integrate-with) — 3 comments, 2 upvotes *(includes official response)*
  > **Top comment:** "We integrate with more than 20+ integrations including Zendesk Sell (Base), BreezyHR, Bullhorn, CATS, Clockwork, Close.io, Copper, Crelate, Exelare,..."
- Title: [Do you require a yearly commitment?](https://www.g2.com/discussions/do-you-require-a-yearly-commitment) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "We don't require any commitments of any kind. Get in touch with us if you'd like to discuss pricing for a more long-term commitment."
- Title: [What is an email lookup?](https://www.g2.com/discussions/what-is-an-email-lookup) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "An email lookup for Interseller is whenever we find an email address for you. You do not consume lookups when we cannot find any contact information for an..."

### Mailshake

- Title: [How much does Mailshake cost?](https://www.g2.com/discussions/how-much-does-mailshake-cost) — 3 comments
  > **Top comment:** "You'll have to visit their website milkshake.com for their current pricing"
- Title: [What is Lemlist?](https://www.g2.com/discussions/what-is-lemlist) — 2 comments *(includes official response)*
  > **Top comment:** "While Mailshake and Lemlist have some similar functionality, we can only speak for our successful customers here at Mailshake who love our simple-to-use..."
- Title: [How do you use Mailshake?](https://www.g2.com/discussions/how-do-you-use-mailshake) — 2 comments, 1 upvote *(includes official response)*
  > **Top comment:** "Mailshake is designed to be easy to use and setup. We've actually outlined everything you need to get setup and start sending your first campaign. Check out..."
- Title: [What is Mailshake used for?](https://www.g2.com/discussions/what-is-mailshake-used-for) — 1 comment
  > **Top comment:** "Cold outreach "
- Title: [What does Mailshake do?](https://www.g2.com/discussions/what-does-mailshake-do) — 1 comment
  > **Top comment:** "Allows you to send to many people in a list from your gmail."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/interseller-vs-mailshake)