Clerk.io
Clerk.io: A focused ecommerce platform for behavioral recommendations, flows, and dynamic email content. Ranked #6 of 23 in Email Personalization Software by our editors (8.5/10); pricing: Pricing on request; best for ecommerce brands using behavioral email flows.
At a glance
- Editor score8.5 / 10
- PricingPricing on request
- Best forEcommerce brands using behavioral email flows
- Free planNo
- Behavioral triggersYes
- Founded2011 · Copenhagen, Denmark
- Facts checked20 Sep 2026
Where it wins
- Live catalog data supports dynamic product recommendations at email open
- Event-triggered flows cover carts, searches, sessions, purchases, and audiences
- Connects with Shopify, Magento, WooCommerce, BigCommerce, and PrestaShop
Where it doesn't
- No free plan is available
- Pricing uses contact-sales, usage-based purchasing
- Its personalization focus is centered on ecommerce behavior and catalogs
Our verdict on Clerk.io
Clerk.io is an AI-powered ecommerce personalization platform for online retailers, with particular relevance for independent and mid-market businesses. Its email capabilities use browsing and purchase behavior to add product recommendations to existing templates, personalize content from live catalog data at open time, and trigger flows from events such as carts, searches, sessions, purchases, and audience changes. Audience segmentation, ecommerce search, conversational product discovery, and visual editors extend the platform beyond email alone.
Pricing is usage-based and handled through contact sales rather than a set of publicly named tiers. There is no free plan. That structure may suit retailers whose requirements vary with catalog activity, behavioral data, and campaign volume, but it gives smaller teams less upfront pricing clarity when comparing tools. Buyers should expect the purchasing conversation to account for their ecommerce use case instead of selecting from a simple self-serve plan page.
The platform fits an ecommerce stack through web and API access plus integrations for Shopify, Magento, WooCommerce, BigCommerce, and PrestaShop. Its breadth is a strength for retailers that want recommendations, behavioral email, segmentation, search, and chat in one product, particularly when product discovery and lifecycle messaging are closely connected. It is less suited to teams seeking a general-purpose email personalization tool outside ecommerce or a free entry point. Choose Clerk.io when behavioral signals and live catalog recommendations are central to your email program; consider a narrower or more transparent-priced alternative when those requirements are not priorities.
Your product? Our editors can test Clerk.io in depth and publish a review, labelled as paid · from $149/mo →
Clerk.io pricing
Clerk.io fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Behavioral triggers | Yes |
| Dynamic content | Yes |
| Product recommendations | Yes |
| Real-time personalization | Yes |
| Channel support | |
| Event ingestion limit | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | SOC 2, ISO 27001, GDPR |
| Support | Email, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 20+ integrations: Shopify, Magento, WooCommerce, BigCommerce, PrestaShop See all → |
| Pricing | Pricing on request (source) |
| Website | clerk.io |
| Facts checked | 20 Sep 2026 |
Clerk.io integrations
Clerk.io lists 20+ integrations on its own site — the 5 named here are the ones its pages call out.
- Shopify
- Magento
- WooCommerce
- BigCommerce
- PrestaShop
See all Clerk.io integrations →
Alternatives to Clerk.io
- AlterableFlexible email personalization with dynamic content, targeting, testing, and a free plan.9.4
- LimeSpotA broad ecommerce personalization toolkit with accessible entry pricing and a costly advanced tier.8.9
- RecombeeAn affordable recommendation API with email personalization, analytics, and testing.8.8
See all Clerk.io alternatives →
Clerk.io vs the competition
- Clerk.io vs Alterable
- Clerk.io vs LimeSpot
- Clerk.io vs Recombee
- Clerk.io vs Vue.ai Email Personalization
- Clerk.io vs Athos Commerce Personalization
- Clerk.io vs Wiser AI
Compare Clerk.io with any tool side by side →
Also Ranked In
Clerk.io is ranked in 2 of our directories.
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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