Mental Math: Focus Trainer
Mental Math: Focus Trainer is made and published by Denys Kotenko. AppBrain is an independent app data site and isn't affiliated with Denys Kotenko. The app name, icon, screenshots and description belong to Denys Kotenko and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 4.14
- 7 ratings
- Last updated
- October 17, 2026
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Releases
Updates seen on the App Store- Version
- 1.23.0
- Launched
- January 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 15.6 MB
- Content rating
- Everyone
Technologies used by Mental Math: Focus Trainer
About the app and developer
About Mental Math: Focus Trainer
Mental Math: Focus Trainer is an education app developed by Denys Kotenko.
User Ratings
Mental Math: Focus Trainer is rated 4.14 out of 5 stars. The rating is based on 7 ratings.
App Information
Mental Math: Focus Trainer is freely available from the App Store. The app size is 15.63 MB. The latest version available is 1.23.0. The last update was on October 17, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since January 2026.
Developer information for Denys Kotenko
Address:
Store listing
By Denys Kotenko, from the App Store
Description by Denys Kotenko Written by the developer, not by AppBrain. Click to read.
Modern life constantly fights for your attention. Notifications, multitasking, and digital noise make it harder to stay mentally sharp.
Mental Math: Focus Trainer helps you rebuild focus using short daily mental math training sessions designed to improve concentration, processing speed, and mental clarity.
This isn’t about becoming a math expert.
It’s about using simple mental math exercises to activate your brain and enter a focused, high-performance state.
Just 5 minutes of brain training can reset your attention and prepare you for deep work.
HOW IT WORKS
Think of it as a quick brain workout.
A short session of mental math practice clears mental fog, activates focus, and strengthens your ability to concentrate.
Use it:
• before a deep work session
• before studying
• before an important meeting
• as a daily brain training habit
CORE FEATURES
Performance Test (100 Questions)
• measure mental speed and accuracy
• track completion time
• track accuracy
• see questions per minute
• get an overall performance score
Mental Math Training
Practice core arithmetic operations with multiple difficulty levels:
• addition
• subtraction
• multiplication
• division
Choose the difficulty that matches your skill and gradually increase the challenge
Custom Exercises
Create your own mental math training:
• choose operations (+ − × ÷)
• choose difficulty levels
• choose number of questions
Progress Tracking
• track mental speed
• track accuracy
• see progress across different difficulty levels
• improve consistency over time
Minimalist Design
• no distractions
• no noisy gamification
• clean dark-mode interface
WHY TRAIN MENTAL MATH?
• improve concentration
• boost mental processing speed
• prepare your brain for deep work
• build a daily focus ritual
Reclaim your focus.
Train your brain.
One number at a time.
Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://denyskt-hub.github.io/mental-math