Nosto vs Clerk.io
Nosto and Clerk.io are AI-first personalization platforms for ecommerce. Nosto centers on product recommendations, personalization and built-in A/B testing, while Clerk.io emphasizes search, an AI chatbot, dynamic recommendations and audience segmentation.
Last updated
The summary above and the “Which should you choose?” section are written with AI from our two listings. The tables and answers come straight from the listings. Prices and features change, so check each vendor's website before you decide. How we use AI
At a glance
| Listing | Nosto | Clerk.io |
|---|---|---|
| Starting price | From $199/mo | Contact for pricing |
| Cheapest paid plan for a year | $2,388 a year | Not listed |
| Free plan | No | No |
| Free trial | No | Yes |
| Works with | Shopify, WooCommerce, BigCommerce, Magento, Salesforce Commerce Cloud | Shopify, WooCommerce, Magento |
| Features | 8 features listed | 8 features listed |
| Integrations | 9 integrations listed | 6 integrations listed |
| Public API | Yes | Yes |
| Business size | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Headquarters | Not listed | Kigkurren 8g, 2300 Copenhagen, Denmark |
| Listing data checked | Sep 23, 2026 | Aug 30, 2026 |
Pricing compared
Nosto
- Growth $199/mo
- Enterprise Custom pricing
- Contact for Pricing Contact for pricing
Features compared
Both list 5 of these features. 3 are listed only for Nosto. 3 are listed only for Clerk.io.
| Feature | Nosto | Clerk.io |
|---|---|---|
| AI | Listed | Listed |
| Analytics | Listed | Listed |
| API | Listed | Listed |
| Personalization | Listed | Listed |
| Real-time | Listed | Listed |
| A/B Testing | Listed | Not listed |
| Multi-channel | Listed | Not listed |
| Segmentation | Listed | Not listed |
| Automation | Not listed | Listed |
| GDPR Compliant | Not listed | Listed |
| Multi-language | Not listed | Listed |
Platforms and integrations
Ecommerce platforms
| Platform | Nosto | Clerk.io |
|---|---|---|
| Magento | Listed | Listed |
| Shopify | Listed | Listed |
| WooCommerce | Listed | Listed |
| BigCommerce | Listed | Not listed |
| Salesforce Commerce Cloud | Listed | Not listed |
Integrations
Both list 6 of these integrations. 3 are listed only for Nosto.
| Integration | Nosto | Clerk.io |
|---|---|---|
| Listed | Listed | |
| Google Analytics | Listed | Listed |
| Klaviyo | Listed | Listed |
| Magento | Listed | Listed |
| Shopify | Listed | Listed |
| WooCommerce | Listed | Listed |
| BigCommerce | Listed | Not listed |
| Listed | Not listed | |
| TikTok | Listed | Not listed |
More details
| Detail | Nosto | Clerk.io |
|---|---|---|
| Pricing model | Modular pricing: base platform fee plus a volume-based fixed fee calculated on store volume (GMV turnover and traffic); customers build packages from modules and enterprise-tier includes dedicated infrastructure and SLAs. | Contact for pricing; Clerk.io offers modular product bundles and service plans (demo required). |
| Support | Help Center, Developer Portal / Docs, Nosto Academy, Professional Services, Global Support, Contact/Customer Success (via demo or contact form) | Help center (https://help.clerk.io/), email (support@clerk.io), phone (+45 70 555 100), customer success managers for customers. Mon-Thu: 09:00-17:00 CET; Fri: 09:00-16:30 CET |
| Security and compliance | Described as "Secure. Certified. Recognized. Trusted." on site; specific certifications are not listed on the provided pages. Enterprise package offers dedicated infrastructure and uptime SLA. | Clerk.io advertises a cookieless approach and references GDPR and data processing/privacy documentation on its site; data processing and privacy terms are available via the website. |
| Product maturity | Established commercial product with stated deployment across 1,500+ brands and multiple case studies; offers enterprise-grade scalability and SLA options. | Mature, established e-commerce product: claims 15 years of e-commerce training data, 2.5k+ customers and marketing claims of billions in generated revenue for customers; active product updates and developer documentation are present. |
| Not a good fit for | Not a good fit for merchants seeking transparent, self-service pricing or a standard free trial for immediate self-evaluation. | Not a good fit for organizations that are not e-commerce businesses or for buyers seeking transparent public self-serve pricing without contacting sales. |
Pros and cons
From each app's App4Ecom listing.
Nosto
Pros
- Modular product suites let merchants pay only for needed capabilities and scale over time.
- AI capabilities are built into every module by default, enabling real-time personalization across channels.
- Proven commercial impact cited across 1,500+ brands with highlighted case-study uplifts in conversion and AOV.
- Enterprise-grade scalability options with dedicated infrastructure and a 99.99% uptime SLA for high-traffic events.
Cons
- No public, self-service pricing or rigid tiers; pricing is provided via custom quote.
- No standard self-service free trial; a Proof of Concept is available only for qualified merchants.
- Implementation timelines vary by complexity and may require professional services for larger integrations.
- Pricing and packaging require vendor engagement, which can slow evaluation for small teams.
Clerk.io
Pros
- Improves onsite search relevance with typo tolerance, synonyms and sales-based ranking
- Delivers personalized product recommendations across site and email to increase AOV and basket size
- AI Chatbot provides 24/7 product guidance and can drive incremental sales
- Cookieless design and explicit GDPR-related data processing information
- Integrates with 20+ major e-commerce platforms and advertises fast setup
Cons
- No public, self-serve pricing shown on the website; you must contact sales for pricing
- Focused exclusively on e-commerce use cases; not designed as a general CMS personalization tool
- Advanced integrations or customizations may require developer resources and support
- Specific performance and ROI will depend on store data quality and catalog completeness
Which should you choose?
Use Nosto if you want a recommendation-first personalization tool with A/B testing for mid-market or enterprise stores. Use Clerk.io if you need stronger onsite search, an AI chat assistant, dynamic email recommendations and broader segmentation across store sizes.
Nosto: Best for mid-market and enterprise ecommerce brands that prioritize AI-driven product recommendations, personalization and built-in A/B testing.
Clerk.io: Best for ecommerce retailers who need advanced onsite search, an AI/predictive chatbot, dynamic recommendations and audience segmentation and who can engage sales for pricing.
Frequently asked questions
Which is cheaper, Nosto or Clerk.io?
Nosto lists paid plans from $199/mo. Clerk.io doesn't publish its prices, so ask its team for a quote to compare.
Do Nosto and Clerk.io have a free plan?
Neither lists a free plan. Clerk.io offers a free trial.
Which platforms do Nosto and Clerk.io work with?
Nosto works with Shopify, WooCommerce, BigCommerce, Magento and Salesforce Commerce Cloud. Clerk.io works with Shopify, WooCommerce and Magento. Both work with Shopify, WooCommerce and Magento.
What features do Nosto and Clerk.io have in common?
Both list AI, Analytics, API, Personalization and Real-time. Only Nosto lists A/B Testing, Multi-channel and Segmentation. Only Clerk.io lists Automation, GDPR Compliant and Multi-language.
Do Nosto and Clerk.io have an API?
Yes, both list a public API.
Where this data comes from
Nosto
Listing data refreshed September 23, 2026.
- nosto.com Main source
- nosto.com/pricing Official website
- docs.nosto.com/techdocs Official website
- nosto.com/commerce-experience-platform Official website
- nosto.com Official website
Clerk.io
Listing data refreshed August 30, 2026.
- clerk.io Official website
- clerk.io/intelligent-search Official website