# Clerk.io, Reflektion vs Nosto Comparison

| | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Star Rating** | 4.8 out of 5 | 4.4 out of 5 | 4.6 out of 5 | 
| **Total Reviews** | 126 | 24 | 235 | 
| **Largest Market Segment** | Small-Business (82.1% of reviews) | Mid-Market (47.8% of reviews) | Small-Business (49.1% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | Contact Us Per Year | 

---
## Top Pros & Cons

### Clerk.io

Pros:
- Customer Support (2 reviews)
- Conversion Optimization (1 reviews)


### Reflektion

**Not enough data**

### Nosto

Pros:
- Features (14 reviews)
- Customer Support (11 reviews)

Cons:
- Difficult Learning (5 reviews)
- Learning Curve (4 reviews)

---
## Ratings Comparison
| Rating | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
  | **Meets Requirements** | 9.4 (90 reviews) | 9.1 (18 reviews) | 8.9 (185 reviews) | 
  | **Ease of Use** | 8.9 (89 reviews) | 8.4 (18 reviews) | 8.4 (188 reviews) | 
  | **Ease of Setup** | 8.2 (56 reviews) | 7.4 (11 reviews) | 7.9 (103 reviews) | 
  | **Ease of Admin** | 8.9 (56 reviews) | 9.2 (12 reviews) | 8.5 (95 reviews) | 
  | **Quality of Support** | 9.8 (90 reviews) | 9.0 (18 reviews) | 9.4 (187 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.5 (55 reviews) | 9.2 (13 reviews) | 9.3 (96 reviews) | 
  | **Product Direction (% positive)** | 9.0 (83 reviews) | 8.8 (20 reviews) | 9.5 (174 reviews) | 

---
## Pricing

### Clerk.io

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Reflektion

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Nosto

#### Entry-Level Pricing

Plan: experience.AI™

Price: Contact Us Per Year

Description: experience.AI™ is the core of Nosto’s Commerce Experience Platform (CXP). Through experience.AI™, we are able to help brands enrich and connect customer, product, and content data in real-time so they can action it across their site and deliver personalized and authentic online experiences.


Key Features:
- Artificial Intelligence (AI)
-  Business Intelligence (BI) 
- Dynamic Targeting

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

#### Free Trial

No

---
## Features Comparison By Category

### E-Commerce Personalization

| Product | Score | Reviews |
|---|---|---|
| **Clerk.io** | 8.7/10 | 40 |
| **Reflektion** | 8.5/10 | 16 |
| **Nosto** | 8.3/10 | 105 |

#### Visitor Behavior

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Monitoring** | 8.6 (31 reviews) ✓ Verified | 8.9 (11 reviews) ✓ Verified | 8.3 (79 reviews) ✓ Verified | 
| **Targeting** | 8.5 (32 reviews) ✓ Verified | 8.2 (10 reviews) ✓ Verified | 8.7 (86 reviews) ✓ Verified | 
| **Guided Selling** | 8.6 (28 reviews) ✓ Verified | 8.7 (9 reviews) ✓ Verified | 8.2 (71 reviews) ✓ Verified | 

#### Templates

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Library** | 8.8 (22 reviews) ✓ Verified | 7.5 (8 reviews) ✓ Verified | 7.7 (70 reviews) ✓ Verified | 
| **Customization** | 8.6 (27 reviews) ✓ Verified | 8.0 (10 reviews) ✓ Verified | 8.2 (84 reviews) ✓ Verified | 
| **Optimization** | 8.6 (23 reviews) | 8.6 (11 reviews) ✓ Verified | 8.3 (76 reviews) ✓ Verified | 

#### Personalization

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Recommendation** | 9.2 (36 reviews) ✓ Verified | 8.8 (14 reviews) ✓ Verified | 9.2 (94 reviews) ✓ Verified | 
| **Content** | 9.1 (33 reviews) ✓ Verified | 8.3 (9 reviews) ✓ Verified | 8.6 (73 reviews) ✓ Verified | 
| **Cart Abandonment** | 8.4 (18 reviews) ✓ Verified | 8.1 (6 reviews) ✓ Verified | 7.9 (59 reviews) ✓ Verified | 
| **Search** | 9.4 (32 reviews) ✓ Verified | 8.8 (12 reviews) ✓ Verified | 7.5 (44 reviews) ✓ Verified | 
| **Personalization Engine** | 9.1 (30 reviews) ✓ Verified | 9.3 (7 reviews) ✓ Verified | 8.6 (60 reviews) ✓ Verified | 
| **Product Recommendations** | 9.4 (36 reviews) ✓ Verified | 8.5 (8 reviews) ✓ Verified | 9.2 (77 reviews) ✓ Verified | 
| **A/B Testing** | 7.1 (13 reviews) ✓ Verified | 8.7 (5 reviews) ✓ Verified | 8.4 (60 reviews) ✓ Verified | 
| **Personalized Messaging** | 7.9 (15 reviews) ✓ Verified | Not enough data | 8.3 (42 reviews) ✓ Verified | 

#### Multichannel

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Web** | 9.2 (26 reviews) | 8.8 (12 reviews) ✓ Verified | 8.9 (77 reviews) ✓ Verified | 
| **Email** | 8.4 (22 reviews) ✓ Verified | Not enough data | 8.0 (61 reviews) ✓ Verified | 
| **Mobile** | 8.4 (27 reviews) | 8.8 (10 reviews) ✓ Verified | 8.6 (69 reviews) ✓ Verified | 

#### Administration 

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Marketing Campaigns** | 8.4 (18 reviews) ✓ Verified | Not enough data | 8.3 (40 reviews) ✓ Verified | 
| **Reports & Analytics** | 8.7 (31 reviews) ✓ Verified | 8.0 (9 reviews) ✓ Verified | 7.8 (67 reviews) ✓ Verified | 
| **User Data** | 8.8 (31 reviews) ✓ Verified | 8.3 (7 reviews) ✓ Verified | 8.2 (53 reviews) ✓ Verified | 
| **Integrations** | 9.0 (28 reviews) ✓ Verified | 8.1 (8 reviews) ✓ Verified | 8.3 (55 reviews) ✓ Verified | 

#### Agentic AI - E-Commerce Personalization

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 

### Personalization Engines

| Product | Score | Reviews |
|---|---|---|
| **Clerk.io** | N/A | N/A |
| **Reflektion** | N/A | N/A |
| **Nosto** | 8.6/10 | 14 |

#### Segmentation

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **A/B Testing** | Not enough data | Not enough data | 9.2 (10 reviews) | 
| **Customer Profiles** | Not enough data | Not enough data | Feature Not Available | 

#### Targeting

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Behavioral Targeting** | Not enough data | Not enough data | 8.1 (9 reviews) | 
| **Contextual Targeting** | Not enough data | Not enough data | 8.3 (7 reviews) | 

#### Triggered Content

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Geofencing** | Not enough data | Not enough data | 9.0 (5 reviews) | 
| **Triggered Emails** | Not enough data | Not enough data | 8.8 (7 reviews) | 
| **Triggered Messages** | Not enough data | Not enough data | 8.6 (7 reviews) | 

#### Personalized Content

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Recommendation Engine** | Not enough data | Not enough data | 8.5 (11 reviews) | 
| **Personalized Discounts** | Not enough data | Not enough data | Feature Not Available | 
| **Website Personalization** | Not enough data | Not enough data | 8.0 (9 reviews) | 

#### Agentic AI - Personalization Engines

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **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 | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### E-Merchandising

| Product | Score | Reviews |
|---|---|---|
| **Clerk.io** | 8.7/10 | 35 |
| **Reflektion** | 9.0/10 | 8 |
| **Nosto** | 8.4/10 | 39 |

#### Merchandising

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Product Recommendations** | 9.1 (31 reviews) | 9.7 (5 reviews) | 8.9 (38 reviews) | 
| **Product Search** | 8.9 (31 reviews) | 9.8 (7 reviews) | 8.0 (22 reviews) | 
| **Product Display** | 8.9 (30 reviews) | 9.3 (7 reviews) | 8.5 (26 reviews) | 
| **Media File Storage** | 8.1 (14 reviews) | Not enough data | 8.1 (19 reviews) | 
| **Web Content Management** | 8.3 (17 reviews) | 8.7 (5 reviews) | 8.6 (23 reviews) | 

#### Analytics

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Reports & Analytics** | 8.9 (30 reviews) | 8.6 (6 reviews) | 8.2 (34 reviews) | 
| **Customer Data** | 8.5 (28 reviews) | 8.6 (6 reviews) | 8.5 (32 reviews) | 

#### Administration

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Integrations** | 8.8 (28 reviews) | 8.8 (7 reviews) | 8.5 (32 reviews) | 
| **Dashboard** | 9.1 (31 reviews) | 8.6 (7 reviews) | 8.2 (36 reviews) | 

### E-Commerce Search

| Product | Score | Reviews |
|---|---|---|
| **Clerk.io** | N/A | N/A |
| **Reflektion** | N/A | N/A |
| **Nosto** | 8.2/10 | 15 |

#### Search Setup

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Indexing** | Not enough data | Not enough data | 7.9 (12 reviews) | 
| **Auto Complete** | Not enough data | Not enough data | 7.6 (12 reviews) | 
| **Product Information** | Not enough data | Not enough data | 8.1 (13 reviews) | 
| **Stemming** | Not enough data | Not enough data | 7.9 (12 reviews) | 

#### Product Discovery

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Recommendations** | Not enough data | Not enough data | 8.5 (14 reviews) | 
| **Conversion** | Not enough data | Not enough data | Feature Not Available | 
| **Personalization** | Not enough data | Not enough data | 8.8 (14 reviews) | 
| **Faceted Search** | Not enough data | Not enough data | 8.2 (12 reviews) | 
| **Ranking and Relevancy** | Not enough data | Not enough data | 8.3 (13 reviews) | 

#### Integration

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **E-Commerce** | Not enough data | Not enough data | 8.5 (14 reviews) | 
| **PIM** | Not enough data | Not enough data | 8.1 (8 reviews) | 
| **Merchadising** | Not enough data | Not enough data | 8.5 (10 reviews) | 

### A/B Testing

| Product | Score | Reviews |
|---|---|---|
| **Clerk.io** | N/A | N/A |
| **Reflektion** | N/A | N/A |
| **Nosto** | 7.7/10 | 27 |

#### Computing

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **WYSIWYG** | Not enough data | Not enough data | 7.3 (19 reviews) | 
| **AI/Machine Learning** | Not enough data | Not enough data | 8.3 (20 reviews) | 
| **Little to No Coding** | Not enough data | Not enough data | 6.2 (25 reviews) | 

#### Experimental Design

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Multivariate testing capacities** | Not enough data | Not enough data | 8.1 (22 reviews) | 
| **Concurrent Testing** | Not enough data | Not enough data | 8.2 (17 reviews) | 
| **Mobile Testing** | Not enough data | Not enough data | 8.1 (18 reviews) | 

#### Analytics

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Reporting and Analytics** | Not enough data | Not enough data | 7.9 (26 reviews) | 
| **Heatmaps** | Not enough data | Not enough data | Feature Not Available | 

#### Agentic AI - A/B Testing

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **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 | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 

### Social Commerce Platforms

| Product | Score | Reviews |
|---|---|---|
| **Clerk.io** | N/A | N/A |
| **Reflektion** | N/A | N/A |
| **Nosto** | N/A | N/A |

#### Content

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Types** | Not enough data | Not enough data | Not enough data | 
| **Migration** | Not enough data | Not enough data | Not enough data | 
| **Publishing** | Not enough data | Not enough data | Not enough data | 
| **UGC** | Not enough data | Not enough data | Not enough data | 

#### Engagement

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Live Streaming** | Not enough data | Not enough data | Not enough data | 
| **Omnichannel** | Not enough data | Not enough data | Not enough data | 
| **Personalization** | Not enough data | Not enough data | Not enough data | 
| **Conversational Commerce** | Not enough data | Not enough data | Feature Not Available | 
| **Moderation** | Not enough data | Not enough data | Not enough data | 

#### Social Shopping

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Promotions** | Not enough data | Not enough data | Not enough data | 
| **Shoppable Media** | Not enough data | Not enough data | Not enough data | 
| **AR/VR** | Not enough data | Not enough data | Not enough data | 
| **Social Store** | Not enough data | Not enough data | Not enough data | 

#### Analytics

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Product Insights** | Not enough data | Not enough data | Not enough data | 
| **Social Listening** | Not enough data | Not enough data | Not enough data | 
| **Campaigns** | Not enough data | Not enough data | Not enough data | 

### User-Generated Content

| Product | Score | Reviews |
|---|---|---|
| **Clerk.io** | N/A | N/A |
| **Reflektion** | N/A | N/A |
| **Nosto** | N/A | N/A |

#### Visual UGC

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Campaign Customization** | Not enough data | Not enough data | Not enough data | 
| **Widget Customization** | Not enough data | Not enough data | Not enough data | 
| **Widget** | Not enough data | Not enough data | Not enough data | 
| **Media Library** | Not enough data | Not enough data | Not enough data | 

#### Integrations

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Social Media** | Not enough data | Not enough data | Not enough data | 
| **Content Creation** | Not enough data | Not enough data | Not enough data | 
| **Marketing Automation** | Not enough data | Not enough data | Not enough data | 
| **Rights Management** | Not enough data | Not enough data | Not enough data | 

#### Support

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Onboarding** | Not enough data | Not enough data | Not enough data | 
| **24/7 Client Support** | Not enough data | Not enough data | Not enough data | 

#### Performance

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **UGC Analytics** | Not enough data | Not enough data | Not enough data | 
| **Lazy-Loading** | Not enough data | Not enough data | Not enough data | 

### Site Search Software

| Product | Score | Reviews |
|---|---|---|
| **Clerk.io** | N/A | N/A |
| **Reflektion** | N/A | N/A |
| **Nosto** | N/A | N/A |

#### Agentic AI - Site Search

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

#### Search Experience Management - Site Search

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Query Suggestions** | Not enough data | Not enough data | Not enough data | 
| **Typo Tolerance** | Not enough data | Not enough data | Not enough data | 
| **Synonyms** | Not enough data | Not enough data | Not enough data | 
| **Natural Language** | Not enough data | Not enough data | Not enough data | 
| **Rankings** | Not enough data | Not enough data | Not enough data | 
| **Personalization** | Not enough data | Not enough data | Not enough data | 

#### Functionality - Site Search

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Search Analytics** | Not enough data | Not enough data | Not enough data | 
| **Integrations** | Not enough data | Not enough data | Not enough data | 
| **Federated Search** | Not enough data | Not enough data | Not enough data | 
| **Multi-Language Support** | Not enough data | Not enough data | Not enough data | 

#### Generative AI - Site Search

| Feature | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Text Generation** | Not enough data | Not enough data | Not enough data | 
| **Text Summarization** | Not enough data | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (2):** [E-Commerce Personalization Software](https://www.g2.com/categories/e-commerce-personalization), [E-Merchandising Software](https://www.g2.com/categories/e-merchandising)

**Unique to Clerk.io (1):** [Site Search Software](https://www.g2.com/categories/site-search-software)

**Unique to Reflektion (1):** [E-Commerce Search Software](https://www.g2.com/categories/e-commerce-search)

**Unique to Nosto (5):** [E-Commerce Search Software](https://www.g2.com/categories/e-commerce-search), [A/B Testing Tools](https://www.g2.com/categories/a-b-testing-tools), [Personalization Engines](https://www.g2.com/categories/personalization-engines), [Social Commerce Platforms](https://www.g2.com/categories/social-commerce-platforms), [User-Generated Content Platforms](https://www.g2.com/categories/user-generated-content-platforms)


---
## Reviewer Demographics

### By Company Size

| Segment | Clerk.io | Reflektion | Nosto | 
|---|---|---|---|
| **Small-Business** | 82.1% | 17.4% | 49.1% | 
| **Mid-Market** | 14.5% | 47.8% | 44.2% | 
| **Enterprise** | 3.4% | 34.8% | 6.6% | 

### By Industry

#### Clerk.io

- **Retail:** 25.6%
- **Apparel & Fashion:** 12.8%
- **Consumer Goods:** 6.8%
- **Sporting Goods:** 6.0%
- **Food & Beverages:** 5.1%
- **Pharmaceuticals:** 4.3%
- **Health, Wellness and Fitness:** 4.3%
- **Wholesale:** 3.4%
- **Marketing and Advertising:** 3.4%
- **Business Supplies and Equipment:** 2.6%
- **Other:** 25.6%

#### Reflektion

- **Retail:** 69.6%
- **Health, Wellness and Fitness:** 8.7%
- **Computer Software:** 8.7%
- **Apparel & Fashion:** 8.7%
- **Entertainment:** 4.3%

#### Nosto

- **Retail:** 36.7%
- **Apparel & Fashion:** 19.5%
- **Consumer Goods:** 4.9%
- **Marketing and Advertising:** 3.5%
- **Health, Wellness and Fitness:** 3.1%
- **Cosmetics:** 2.7%
- **Sporting Goods:** 2.7%
- **Consumer Electronics:** 2.7%
- **Luxury Goods & Jewelry:** 2.7%
- **Food & Beverages:** 2.2%
- **Other:** 19.5%

---
## Alternatives

### Alternatives to Clerk.io

- [Algolia](https://www.g2.com/products/algolia/reviews) — 4.5/5 stars (451 reviews)
- [Hello Retail](https://www.g2.com/products/hello-retail/reviews) — 4.6/5 stars (27 reviews)
- [Athos Commerce](https://www.g2.com/products/athos-commerce-athos-commerce/reviews) — 4.5/5 stars (221 reviews)
- [Bloomreach](https://www.g2.com/products/bloomreach-bloomreach/reviews) — 4.6/5 stars (765 reviews)
- [Luigi's Box](https://www.g2.com/products/luigi-s-box/reviews) — 4.8/5 stars (425 reviews)
- [Klevu](https://www.g2.com/products/klevu/reviews) — 3.0/5 stars (3 reviews)
- [ActiveCampaign](https://www.g2.com/products/activecampaign/reviews) — 4.4/5 stars (14678 reviews)
- [SAP Engagement Cloud (formerly SAP Emarsys)](https://www.g2.com/products/sap-engagement-cloud-formerly-sap-emarsys/reviews) — 4.2/5 stars (614 reviews)
- [Adobe Commerce (formerly Magento Commerce)](https://www.g2.com/products/adobe-commerce-formerly-magento-commerce/reviews) — 4.0/5 stars (599 reviews)
- [Moosend](https://www.g2.com/products/moosend/reviews) — 4.7/5 stars (738 reviews)

### Alternatives to Reflektion

- [Algolia](https://www.g2.com/products/algolia/reviews) — 4.5/5 stars (451 reviews)
- [Bloomreach](https://www.g2.com/products/bloomreach-bloomreach/reviews) — 4.6/5 stars (765 reviews)
- [Adobe Commerce (formerly Magento Commerce)](https://www.g2.com/products/adobe-commerce-formerly-magento-commerce/reviews) — 4.0/5 stars (599 reviews)
- [Optimizely Web Experimentation](https://www.g2.com/products/optimizely-web-experimentation/reviews) — 4.2/5 stars (411 reviews)
- [SAP Engagement Cloud (formerly SAP Emarsys)](https://www.g2.com/products/sap-engagement-cloud-formerly-sap-emarsys/reviews) — 4.2/5 stars (614 reviews)
- [Insider One](https://www.g2.com/products/insider-one/reviews) — 4.8/5 stars (1353 reviews)
- [Luigi's Box](https://www.g2.com/products/luigi-s-box/reviews) — 4.8/5 stars (425 reviews)
- [ActiveCampaign](https://www.g2.com/products/activecampaign/reviews) — 4.4/5 stars (14678 reviews)
- [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) — 4.5/5 stars (2561 reviews)
- [GetResponse](https://www.g2.com/products/getresponse/reviews) — 4.3/5 stars (1120 reviews)

### Alternatives to Nosto

- [Algolia](https://www.g2.com/products/algolia/reviews) — 4.5/5 stars (451 reviews)
- [Bloomreach](https://www.g2.com/products/bloomreach-bloomreach/reviews) — 4.6/5 stars (765 reviews)
- [Insider One](https://www.g2.com/products/insider-one/reviews) — 4.8/5 stars (1353 reviews)
- [Athos Commerce](https://www.g2.com/products/athos-commerce-athos-commerce/reviews) — 4.5/5 stars (221 reviews)
- [Dynamic Yield](https://www.g2.com/products/dynamic-yield/reviews) — 4.5/5 stars (157 reviews)
- [Optimizely Web Experimentation](https://www.g2.com/products/optimizely-web-experimentation/reviews) — 4.2/5 stars (411 reviews)
- [SAP Engagement Cloud (formerly SAP Emarsys)](https://www.g2.com/products/sap-engagement-cloud-formerly-sap-emarsys/reviews) — 4.2/5 stars (614 reviews)
- [AB Tasty](https://www.g2.com/products/ab-tasty/reviews) — 4.4/5 stars (409 reviews)
- [Monetate](https://www.g2.com/products/monetate/reviews) — 4.1/5 stars (130 reviews)
- [VWO Testing](https://www.g2.com/products/wingify-vwo-testing/reviews) — 4.4/5 stars (928 reviews)

---
## Top Discussions

### Clerk.io

No discussions available for this product.

### Reflektion

No discussions available for this product.

### Nosto

- Title: [What is Nosto used for?](https://www.g2.com/discussions/what-is-nosto-used-for) — 1 comment
  > **Top comment:** "recommendation"
- Title: [how do i integrate this in every search including in client desktop?](https://www.g2.com/discussions/14304-how-do-i-integrate-this-in-every-search-including-in-client-desktop) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "SearchNode creates custom-built search solutions; thus, it means that SearchNodes search engineers are implementing it. The client's only task is to..."
- Title: [What's the implementation of SearchNode?](https://www.g2.com/discussions/what-s-the-implementation-of-searchnode) — 1 comment, 2 upvotes *(includes official response)*
  > **Top comment:** "SearchNode builds tailored-made search solutions for medium-big ecommerce companies. Client's only tasks are to provide a data export (feed or API) and..."
- Title: [How is SearchNode unique in search market?](https://www.g2.com/discussions/how-is-searchnode-unique-in-search-market) — 1 comment, 2 upvotes *(includes official response)*
  > **Top comment:** "Being founded in 2013, SearchNode has innovated a lot, to reach the best product-market fit by bringing most of the value for clients. Read here how are we..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/clerk-io-vs-reflektion-vs-nosto)