Archived App (Last seen on 5 Feb 2026)
This is an archived listing of the app previously available on the App Store.
This app offers a brain-training challenge by presenting a lock code with half of the digits obscured. Users must use logic and judgment to guess the correct code to unlock. It also features an emoji-based challenge and allows for video recording of the guessing process.
1.0.2
January 8, 2025
- New version 1.0.2 - Overall performance improved
Lock Code Filter Challenge
Lock Code Filter Challenge is a video recording app designed to test and improve your brain's logical thinking and judgment. It presents users with a lock code where half of the digits are covered, requiring them to deduce the correct sequence to unlock.
The lock code filter covers half of the digits in a lock code, presenting a challenge for the user. You must use your intelligence and judgment to guess the missing numbers to successfully unlock the code. The app also offers an emoji version of this challenge.
Yes, the app is free to download. It offers in-app purchases and may contain advertisements to support its development and operation.
This app is ideal for anyone seeking a fun and engaging way to train their brain, improve logical reasoning, and enhance their judgment skills. It's a casual game that can be enjoyed by individuals looking for a mental workout.
Yes, the app allows you to record your video while you are engaged in the lock code guessing challenge. This feature lets you capture your thought process and share your progress.
