Cryptarithmetic
Mathematical puzzles
Only for iPhone
Free · Designed for iPhone
iPhone
Cryptarithms — crack the code of numbers
What if the digits in mathematical equations were replaced with letters? Your task is to figure out which digit is hidden behind each letter. Sounds simple? Give it a try.
How it works
You are given an equation like “COT + COT = DOMA”. Each letter represents a unique digit from 0 to 9. Find all the matches so that the math works out. One letter — one digit. No randomness, just logic.
Five game modes
Classic — solve at your own pace with no time limits
Timed — race against the clock for adrenaline lovers
Zen — no scores or rankings, just pure enjoyment of the process
Daily puzzle — one unique challenge every 24 hours
Tournament — five puzzles in a row, total score, a true test
Four difficulty levels
From simple two-digit equations for beginners to multi-layered challenges with 10 unique variables for true mathematical detectives.
Progression system
Earn points and experience for every solution. Rise from Beginner to Immortal through 10 mastery levels. Unlock 25 achievements — from your first solution to marathon win streaks.
Hints without pressure
Stuck? Spend points on a hint — one letter will be revealed. In Zen mode, hints are always free. Don’t want to spend points — watch a short ad.
Thoughtful details
— Dark and light themes that follow system settings
— Daily reminders (customizable)
— Detailed statistics: best streaks, average time, breakdown by difficulty
— Supports addition, subtraction, and multiplication
— Endless generation of unique puzzles
Cryptarithms have existed since the early 20th century and remain one of the most elegant forms of mathematical puzzles. Now in your pocket.
Train your mind. Every day.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
Localization has been added
Supported languages:
- English
- Russian
The developer, Aleksandr Govorukhin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 21.5 MB
- Category
- Puzzle
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- Languages
- English and Russian
- Age Rating
4+
- 4+
- Contains
Advertising
- Provider
Aleksandr Govorukhin
- Aleksandr Govorukhin has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
- Copyright
- © Александр Говорухин
