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Head-to-head · CAPTCHA Software

Cloudflare Turnstile vs Tencent Cloud Captcha

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Cloudflare Turnstile #1 in CAPTCHA Software 9.4/10 Free plan Free plan✓ 2 of 3 features Visit Cloudflare
Tencent Cloud Captcha #6 in CAPTCHA Software 8.6/10 Paid ✓ 2 of 3 features Visit Tencent Cloud

Cloudflare Turnstile leads on 1 check, Tencent Cloud Captcha on 1, and 2 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCloudflare Turnstile · 9.4/10
  • Free planonly Cloudflare Turnstile

Cloudflare Turnstile scores higher on our rubric for captcha software: 9.4 against 8.6 out of 10; our editors rank them #1 and #6.

Cloudflare Turnstile offers free plan; Tencent Cloud Captcha doesn't. Tencent Cloud Captcha offers audio challenge; Cloudflare Turnstile doesn't.

Cloudflare Turnstile is the better fit for teams wanting a free, low-friction web CAPTCHA. Tencent Cloud Captcha is the better fit for web and mobile teams needing varied challenge options.

  • Cloudflare Turnstile fits best

    Teams wanting a free, low-friction web CAPTCHA

  • Tencent Cloud Captcha fits best

    Web and mobile teams needing varied challenge options

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Cloudflare Turnstile 9.4/10 Visit ↗ Tencent Cloud Captcha 8.6/10 Visit ↗
At a glance
Editor score 9.4 8.6
Ranking #1 in CAPTCHA Software #6 in CAPTCHA Software
Best for Teams wanting a free, low-friction web CAPTCHA Web and mobile teams needing varied challenge options
Pricing model Free plan + paid Paid
Starting price — —
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web, Android, iOS
Support Community, Docs Tickets, Docs
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Cloudflare Turnstile 2/3 · Tencent Cloud Captcha 2/3
Audio challenge — ✓ (best)
Accessibility options ✓ ✓
Privacy controls ✓ (best) Not checked yet
Specs
CAPTCHA modes Not checked yet Not checked yet
Monthly verifications Not checked yet 10000 /mo
SDK platforms Both Both
Our review
Pros
  • Free plan includes up to 20 widgets and unlimited challenges
  • Managed mode can require a checkbox based on risk signals
  • Siteverify API validates tokens server-side
  • Offers invisible, slider, graphic, and audio CAPTCHA challenges.
  • Smart verification can challenge suspicious users and pass trusted users.
  • Supports web, Android, iOS, and server-side ticket verification.
Cons
  • Free plan support is community-based
  • Enterprise pricing is custom
  • No audio challenge option
  • The free quota is a trial for new users, not an ongoing free plan.
  • Usage is billed postpaid daily after the trial quota is consumed.
  • Deployment is cloud-based, with support through tickets and documentation.
Our verdict

Cloudflare Turnstile is a CAPTCHA alternative for websites and applications that need to distinguish human visitors from automated traffic. It fits teams seeking verification that can avoid interrupting visitors, from solo projects through…

Read the review →

Tencent Cloud Captcha provides human-verification controls for websites and applications. It suits teams building web or mobile services that need options beyond a single visible challenge, including account registration and login,…

Read the review →
  1. Cloudflare TurnstileCAPTCHA Software 9.4Free plan
  2. Tencent Cloud CaptchaCAPTCHA Software 8.6Paid

Strengths and trade-offs

  • Cloudflare Turnstile — where it wins

    • Free plan includes up to 20 widgets and unlimited challenges
    • Managed mode can require a checkbox based on risk signals
    • Siteverify API validates tokens server-side

    Where it doesn't

    • Free plan support is community-based
    • Enterprise pricing is custom
    • No audio challenge option

  • Tencent Cloud Captcha — where it wins

    • Offers invisible, slider, graphic, and audio CAPTCHA challenges.
    • Smart verification can challenge suspicious users and pass trusted users.
    • Supports web, Android, iOS, and server-side ticket verification.

    Where it doesn't

    • The free quota is a trial for new users, not an ongoing free plan.
    • Usage is billed postpaid daily after the trial quota is consumed.
    • Deployment is cloud-based, with support through tickets and documentation.
  • Cloudflare Turnstile9.4/10 · Free plan

    A free CAPTCHA alternative with adaptive checks, invisible modes and server-side validation.

    Visit CloudflareFull verdict →
  • Tencent Cloud Captcha8.6/10 · Paid

    A cloud CAPTCHA service combining invisible checks with visual, audio, and proof-of-work defenses.

    Visit Tencent CloudFull verdict →

More comparisons

All CAPTCHA software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update