kitio.aiClerk.io vs Prefixbox
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Clerk.io starts at See pricing page and Prefixbox starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- AI product search
- Product recommendations
- Shopping chatbot
- Audience segmentation
- Personalized product emails
- AI search with personalization
- Rich autocomplete
- AI navigation
- Product recommendations
- AI shopping assistant
- Experimentation and analytics
| Feature | Clerk.io | Prefixbox |
|---|---|---|
| Best for | AI search, recommendations, chat and email for web stores | AI site search and shopping assistant for online stores |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Free trial | Free trial |
| Starting price | See pricing page | See pricing page |
| Free plan | No, trial available | No, trial available |
| Made by | Clerk.io | Prefixbox |
| Based in | Denmark | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Both offer: Product recommendations.
Pricing compared
Clerk.io starts at See pricing page and Prefixbox starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Clerk.io
- Search, recs, chat and email in one platform
- Pay per product and volume
- Free trial available
- B2B setups offered
- Total cost depends on several usage meters
- High volumes need a custom quote
- Focused only on online retail
Prefixbox
- Covers search, navigation and recommendations
- Shopify and Salesforce integrations
- Built-in experimentation tools
- Managed pricing needs a quote
- Priced by monthly API request volume
- Managed AI Search is listed at €1,250 a month
Which one should you choose?
Choose Clerk.io if you want:
- Search, recs, chat and email in one platform
- Pay per product and volume
- Free trial available
Watch out: total cost depends on several usage meters.
Choose Prefixbox if you want:
- Covers search, navigation and recommendations
- Shopify and Salesforce integrations
- Built-in experimentation tools
Watch out: managed pricing needs a quote.
Clerk.io vs Prefixbox FAQ
What is the difference between Clerk.io and Prefixbox?
Clerk.io: AI search, recommendations, chat and email for web stores. Prefixbox: AI site search and shopping assistant for online stores. Both are legal, finance & hr tools.
Is Clerk.io or Prefixbox cheaper?
Clerk.io starts at See pricing page and Prefixbox starts at See pricing page. Check both pricing pages for current plans.
Do Clerk.io and Prefixbox have free plans?
Clerk.io: No, trial available. Prefixbox: No, trial available.
Who makes Clerk.io?
Clerk.io is made by Clerk.io, based in Denmark.
Who makes Prefixbox?
Prefixbox is made by Prefixbox.
Which should I choose, Clerk.io or Prefixbox?
Choose Clerk.io if you value search, recs, chat and email in one platform and pay per product and volume. Choose Prefixbox if you value covers search, navigation and recommendations and shopify and salesforce integrations.