Apps by Ryuichi Aida
Math Brain: Handwriting Drills app icon

Education

Math Brain: Handwriting Drills

Ryuichi Aida

Free download 5.00 · 1 storefront · 1 rating In-app purchases unconfirmed
Open on Apple

About this app

Math Brain is a handwriting math workout app. Write your answers directly on the screen — the AI recognizes your handwriting and grades you instantly, just like a paper drill. Train every day with four game modes and a Daily Challenge, from kids practicing arithmetic to adults keeping their brain sharp. GAME MODES - Grid Math (5x5 / 10x10 "hundred square"): addition, subtraction, multiplication (times tables) - Fill-in Math: find the missing number in the equation - Letter Math: crack the digits hidden behind letters (cryptarithm) - Number Mystery: guess the 2-digit number from clues DAILY CHALLENGE Ten fresh questions every day, one attempt per day. Compete on the daily leaderboard, track your Brain Power score, and review your history on the calendar. RECORDS & BATTLES - Your times are charted so you can see yourself getting faster - Battle mode: race against the records of players worldwide GREAT FOR - Kids practicing addition, subtraction and multiplication - Students and adults building mental math speed - Anyone who wants a quick daily brain workout

Latest release

What’s New

Version 2.1.0 Jul 5, 2026

bug fix.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
1 ratings
1 Aug 19, 2026 · 1 ratings Aug 19, 2026

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

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 19, 2026 · Free Aug 19, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 19, 2026 · 8:50 PM Free

Screenshots

Math Brain: Handwriting Drills iPhone screenshotMath Brain: Handwriting Drills iPhone screenshotMath Brain: Handwriting Drills iPhone screenshot Math Brain: Handwriting Drills iPad screenshotMath Brain: Handwriting Drills iPad screenshotMath Brain: Handwriting Drills iPad screenshot