
OptiBrain UCMAS Practice
Listening and Flash Practice
0 ratings
Free
About
A focused practice app for abacus students that builds mental calculation speed, accuracy, and confidence through short, repeatable sessions.
Key features:
- Two practice modes: Listening (audio-driven mental calculation) and Flash (visual rapid number recall).
- Curriculum + customization: start with curriculum levels, then tailor digits, rows, formulas, and pace to match each student’s level.
- Quick, structured sessions: short practice runs designed for daily repetition and skill-building.
- Instant feedback and review: see results right away and review missed answers after each session.
- Progress tracking: view streaks, accuracy, practice history, and weak-spot analysis to focus improvement.
- Updates and communication: receive announcements, posts, and YouTube lessons from OptiBrain UCMAS.
- Push notifications: opt in to receive important updates and practice reminders.
- Data storage: practice data is saved to keep track of history and performance.
Get started and begin short daily practices to build speed and accuracy.
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What's New in OptiBrain UCMAS Practice
1.1.0
July 26, 2026
- bug fixes - security updates





