kitio.aiSignifyd vs Prefixbox
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Signifyd 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
- Real-time order decisions
- Chargeback guarantee
- Account takeover protection
- Return abuse detection
- Payment optimisation
- AI search with personalization
- Rich autocomplete
- AI navigation
- Product recommendations
- AI shopping assistant
- Experimentation and analytics
| Feature | Signifyd | Prefixbox |
|---|---|---|
| Best for | AI fraud protection and chargeback guarantee for online retailers | AI site search and shopping assistant for online stores |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Paid | Free trial |
| Starting price | See pricing page | See pricing page |
| Free plan | No | No, trial available |
| Made by | Signifyd | Prefixbox |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Signifyd 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 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Signifyd
- Shifts fraud liability
- Fewer false declines
- Works with major platforms
- Fees based on order value
- Less control over decisions
- Best for mid-sized and larger stores
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 Signifyd if you want:
- Shifts fraud liability
- Fewer false declines
- Works with major platforms
Watch out: fees based on order value.
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.
Signifyd vs Prefixbox FAQ
What is the difference between Signifyd and Prefixbox?
Signifyd: AI fraud protection and chargeback guarantee for online retailers. Prefixbox: AI site search and shopping assistant for online stores. Both are legal, finance & hr tools.
Is Signifyd or Prefixbox cheaper?
Signifyd starts at See pricing page and Prefixbox starts at See pricing page. Check both pricing pages for current plans.
Do Signifyd and Prefixbox have free plans?
Signifyd: No. Prefixbox: No, trial available.
Who makes Signifyd?
Signifyd is made by Signifyd, based in United States.
Who makes Prefixbox?
Prefixbox is made by Prefixbox.
Which should I choose, Signifyd or Prefixbox?
Choose Signifyd if you value shifts fraud liability and fewer false declines. Choose Prefixbox if you value covers search, navigation and recommendations and shopify and salesforce integrations.