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Official Mobile integration

Flutter logo
Flutter CAPTCHA

Plan CaptchaFox for Flutter to protect mobile onboarding, mobile auth, and in-app verification across mobile flows and sensitive in-app actions. Talk to us if you want to prioritize the integration or prepare your migration.

Flutter logo
What is Flutter?

Flutter is a UI toolkit for shipping cross-platform mobile experiences from a shared codebase.

Why choose CaptchaFox for Flutter?

We are planning this mobile integration for teams that need to secure mobile onboarding, mobile auth, and in-app verification across app flows and sensitive mobile actions with CaptchaFox.

Why choose CaptchaFox for Flutter?

A Flutter integration is planned for teams that want CaptchaFox in sign-up, login, and sensitive in-app actions.

Privacy-friendly

Protect mobile onboarding, mobile auth, and in-app verification in Flutter with privacy-first bot protection for real users. CaptchaFox is compliant with GDPR and CCPA.

Easy to integrate

CaptchaFox gives your team a drop-in mobile integration that connects app UI, token handling, and backend verification with clear documentation.

User-friendly and accessible

Keep mobile flows in Flutter fast, clear, and accessible. CaptchaFox is WCAG 2.2 AA compliant and does not slow users down with heavy challenge UX.

Easy to plan

Define requirements, migration steps, and implementation details for Flutter with our team before the public integration is finalized.

Prepare your Flutter integration in 5 steps

This integration is planned, but you can already define requirements, map the protected flows, and prepare the migration with us.

  1. Step 1

    Create account

    Create a CaptchaFox account now so requirements, keys, and early implementation planning can start.

  2. Step 2

    Define the target flow

    Document which mobile onboarding, mobile auth, and in-app verification in Flutter should be protected first.

  3. Step 3

    Contact us or review the docs

    This integration is planned. Contact us for early access planning or use the general CaptchaFox docs as a technical starting point.

    Request integration
  4. Step 4

    Prepare keys and architecture

    Once the integration is available, you will connect the site key and secret key in your Flutter app flow and the backend endpoint that validates response tokens.

  5. Step 5

    Finalize the integration together

    We can help you secure mobile onboarding, mobile auth, and in-app verification cleanly and finish the integration fast and simple.

Related integrations

  • React Native logo

    React Native

    React Native is a framework for building mobile applications with JavaScript and React.

  • Dart logo
    Coming soon

    Dart

    Dart is a programming language used for client applications, especially in Flutter-based app development.

  • Android logo
    Coming soon

    Android

    Android is a mobile platform for native applications that often need bot protection around sign-up, login, and sensitive device actions.

FAQ

Why should I protect Flutter with a CAPTCHA?
Flutter powers public and sensitive flows such as mobile onboarding, mobile auth, and in-app verification. A CAPTCHA stops spam, fake requests, and automated abuse before those flows are exposed.
What is the best Flutter CAPTCHA?
The best CAPTCHA for Flutter blocks bots without forcing real users through image puzzles or unnecessary friction. It is privacy-friendly, accessible, and fast to integrate. That is exactly what CaptchaFox delivers.
Is CaptchaFox accessible for Flutter?
CaptchaFox is designed to minimize friction for real users. In Flutter, that means a more accessible CAPTCHA experience focused on usability instead of difficult challenges or image-puzzle style friction.
Is CaptchaFox privacy-friendly for Flutter?
Yes. CaptchaFox is a privacy-friendly CAPTCHA alternative. When you secure Flutter with CaptchaFox, you use bot protection designed for privacy and strict data protection requirements.
How fast can I integrate CaptchaFox with Flutter?
This integration is planned. If you want to evaluate or prepare Flutter earlier, we can help directly with scope, architecture, and migration planning.

Fight bots and protect your users' data.

Don't give fraudsters and spammers a chance and protect your website with CaptchaFox today.

Device protection