List your tool

Head to head · 2026

Kairos vs TrueDoc

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Kairos

AI identity verification API: liveness detection, face matching, age estimation and ID document checks

3.7Free

Visit Kairos (opens Kairos in a new tab)

TrueDoc

Spots forged, tampered and AI-generated paystubs, bank statements and IDs

4.2Free

Visit TrueDoc (opens TrueDoc in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Kairos does not list a price

  • Free plan

    Tie

    Both have one

  • Higher rating

    TrueDoc

    3.7 against 4.2

  • Same job?

    Yes

    Both are Security & Compliance AI tools

Side by side

Compared onKairosTrueDoc
Our rating3.74.2Better
Starts atFreeFree
Free planYesYes
CategorySecurity & Compliance AISecurity & Compliance AI
PlansFreeFree
Key features
  • AI face liveness detection (anti-spoofing)
  • Biometric face matching between ID and live selfie
  • Age estimation from photographs
  • Document authentication across 4,000+ ID types
  • Fraud detection and authentication scoring
  • Detection of forged, tampered and AI-generated documents
  • Paystubs, bank statements, IDs, invoices, screenshots and PDFs
  • Works with documents from any country
  • Business Workspace for team volume
  • Files kept in-browser pre-signup, originals deleted after analysis
Pros
  • Liveness detection blocks the most common simple spoofing attempts
  • 100 free API calls to test before committing to a paid plan
  • Broad ID-document coverage (4,000+ types) supports global verification
  • Treats AI-generated documents as a separate problem from forgery
  • Publishes a sample fraud report before you upload anything
  • Originals deleted after analysis, with a free check to start
Cons
  • Detailed pricing tiers require visiting a separate page
  • A B2B identity-verification API, not a consumer-facing tool
  • Accuracy for edge cases (unusual lighting, damaged IDs) needs your own testing
  • No pricing published for the business tier
  • A fraud score is a signal for a human decision, not a verdict
  • Detecting generated content is an arms race against newer models
CompanyKairos AR, Inc., founded 2012TrueDoc

Prices come from each vendor's pricing page, last checked 20260824. Check the vendor before you buy.

FAQ

Questions people ask

Is Kairos better than TrueDoc?

In our reviews Kairos scores 3.7 and TrueDoc scores 4.2. The better pick depends on the job. Kairos: AI identity verification API: liveness detection, face matching, age estimation and ID document checks. TrueDoc: Spots forged, tampered and AI-generated paystubs, bank statements and IDs.

Which is cheaper, Kairos or TrueDoc?

Kairos: free. TrueDoc: free.

Do Kairos and TrueDoc have free plans?

Yes, both have a free plan.

More comparisons

Kairos compared with

All Kairos alternatives

TrueDoc compared with

All TrueDoc alternatives