Make Every User Count

A powerful full-stack service that instantly enables you to onboard and verify your users with a single SMS.

It's free and hassle-free!

Why you'll love RingCaptcha


Drag, Drop, Done

Adopting RingCaptcha is as simple as adding a few lines of code to your app. You'll be up and running in no time.

User Friendly

It just works!

RingCaptcha has a clean and intuitive interface that allows your users to verify smoothly from day one.


Collaboration-Driven Innovation

You'll find powerful integrations to grow your app, docs and interesting threads here.

RingCaptcha Works the Way You Do


SDKs of all flavors

RingCaptcha's SDKs handle everything you need to craft an amazing onboarding and sign-up experience, whether you’re developing for iOS, Android or Windows Phone.



Easy to use anywhere, anytime, RingCaptcha's plugins for Wordpress, Joomla, Libraries and APIs are purposefully designed to improve both user experience and conversion rates.

Say Goodbye to Complex Integrations

Easy, even for non-techies

RingCaptcha will keep your users happy and your app growing. Forget about generic messaging API issues – reach your users in seconds, focus on growth.

Make Every User Count

Real people make a big difference

RingCaptcha will drive-off fake users that hinder your community using typical VOIPs, disposable phone numbers and other stuff.

Get Insights That Matter

Intuitive Dashboard

RingCaptcha will keep you informed with up-to-date insights and metrics as well as a detailed breakdown of changes in conversion rates, app downloads and more.

Go Global

Everything your app needs to conquer the world

RingCaptcha’s algorithms will get all your users in fast by recognizing and resolving faulty inputs automatically for all global numbering plans.

Get Powerful Features

Rockstar Developer? Startup company? Going International?

Tell me more

Who else uses RingCaptcha?

Trusted and loved by coders, top-noch apps and fine institutions.

All you need bundled in a simple SDK. - Very simple!

UX issues were a headache for us, they are now part of our past.

Ridiculously easy and started verifying globally in minutes.

I've been looking for something like this, good work!

RingCaptcha is for everyone, regardless of industry or app size

Join The Community