kitio.aiSift vs Proof of Human
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sift starts at See pricing page and Proof of Human 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 risk scoring
- Payment fraud protection
- Account takeover defense
- Fake account detection
- Automated decision workflows
- AI agents for fraud teams
- Real-time traffic scoring
- Behavioral analysis
- Explainable session reports
- No CAPTCHA prompts
- API integration
| Feature | Sift | Proof of Human |
|---|---|---|
| Best for | Machine-learning fraud prevention for payments and user accounts | Invisible bot and fraud detection based on behavioral AI |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Paid | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | No | No |
| Made by | Sift | Roundtable |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Sift starts at See pricing page and Proof of Human 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
Sift
- Covers payments, logins and sign-ups
- Network data from many businesses
- Documented score API
- Expert services available
- No public pricing
- Demo required before buying
- Needs engineering work to send events
Proof of Human
- No friction for real users
- Explains why a session was flagged
- Collects no personal data
- Pricing not published
- Demo call needed to get started
- Name changed from Roundtable
Which one should you choose?
Choose Sift if you want:
- Covers payments, logins and sign-ups
- Network data from many businesses
- Documented score API
Watch out: no public pricing.
Choose Proof of Human if you want:
- No friction for real users
- Explains why a session was flagged
- Collects no personal data
Watch out: pricing not published.
Sift vs Proof of Human FAQ
What is the difference between Sift and Proof of Human?
Sift: Machine-learning fraud prevention for payments and user accounts. Proof of Human: Invisible bot and fraud detection based on behavioral AI. Both are legal, finance & hr tools.
Is Sift or Proof of Human cheaper?
Sift starts at See pricing page and Proof of Human starts at See pricing page. Check both pricing pages for current plans.
Do Sift and Proof of Human have free plans?
Sift: No. Proof of Human: No.
Who makes Sift?
Sift is made by Sift, based in United States.
Who makes Proof of Human?
Proof of Human is made by Roundtable, based in United States.
Which should I choose, Sift or Proof of Human?
Choose Sift if you value covers payments, logins and sign-ups and network data from many businesses. Choose Proof of Human if you value no friction for real users and explains why a session was flagged.