Simple math workout

"Mind Trainer" is a mental math workout app for anyone looking to keep their brain sharp.

What's Inside
• 40 types of exercises
1–4-digit numbers × 4 operations (+ − × ÷) — from a child's warm-up to a real challenge.
• Smart scoring system
Points are awarded based on the average difficulty of the task and your response time.
• Speed tracking
The timer starts with your first tap — see how quickly you can solve the problem.
• Achievement system
Unlock badges for each combination of digit length and operation.
• Online leaderboard
Compare scores with friends and players worldwide.
• Detailed statistics
Track your solved problems, solution times, and points for each successful answer.
• Flexible settings
Choose operations, digit range, and target mode (training/sprint).
• Works offline and ad-free
Practice anywhere without distractions.

Why You Need It
• Enhances concentration and thinking speed
• Helps memorize table facts (multiplication table, etc.)
• Suitable for children preparing for tests and adults for a "brain workout"

Download and start improving your mental math today!