About this app
A cipher decoding game. Cipher modes: Aristocrat, Patristocrat, Caesar, Random substitution cipher, K1 cipher, K2 cipher Additional features: - See letter frequency table and cipher letter -> original letter mapping table - Share link or game id to friends and compete on the same puzzle - View all the unlocked quotes - See score history - Unlocked quotes and scores are sync'ed across iPhone, iPad and Mac computers through iCloud - Enable hard mode for a special challenge Also perfect for Science Olympiad (SciOly) Codebusters practice.
Latest release
What’s New
Now you can search the quotes you unlocked.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 20, 2026 · 2:53 AM Free
Screenshots
