Little Finger, a library to add a kill switch to your mobile apps

In plain words

Little Finger is a library for Android and iOS developers that adds remote control functionality to mobile apps through server and client components. Developers can crash or disable an app remotely with a single line of code, then restore functionality once conditions are met. It is designed for freelancers and developers who need protection against clients who fail to pay, allowing them to remotely manage app access until payment is received.

written from the facts on this page · September 2026

From the sources

Little Finger is a set of simple server/client libraries which lets you add a backdoor to your Android/iOS app easily, with a single line of code. The project is based on this anonymous Quora answer . Say, you are a freelancer and often you must have had faced really bad clients who vanish without paying the money promised. Now, using Little Finger you can crash the app remotely if the client vanishes. And when you do receive money, you can make the app work as expected. The Little finger comes with a server component. The client library makes a call to this server and based on the response HTTP status code received it takes an action. If the money is received, it lets the work as expected…from avi.im

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