# Mental Math Master Abacus Game > Practice abacus mental math, calculation drills, exams, and brain training. Canonical page: [https://chrome-stats.com/d/app.mt.anzanmaster](https://chrome-stats.com/d/app.mt.anzanmaster) ## Overview - **ID:** `app.mt.anzanmaster` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** M&T Apps - **Category:** EDUCATION - **Downloads:** 1,571 - **Version:** 2.1.23 - **Last updated:** 2026-08-30 - **First published:** 2025-11-12 - **Publisher country:** JP - **Size:** 58 MB - **Data as of:** 2026-09-15 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=app.mt.anzanmaster) - **Privacy policy:** [https://docs.google.com/document/d/e/2PACX-1vTjs5yf3pI-D4GDaNILn7FIsZMbkxx3W7PR39uu9zp5Oy8mwRx7Lf6u9TpLiHm\_gPDlaPSuUQNXN8zp/pub](https://docs.google.com/document/d/e/2PACX-1vTjs5yf3pI-D4GDaNILn7FIsZMbkxx3W7PR39uu9zp5Oy8mwRx7Lf6u9TpLiHm_gPDlaPSuUQNXN8zp/pub) ## Description Mental Math Master: Abacus | Mental Math, Calculation Drills & Brain Training

From abacus practice and mental arithmetic exams to daily brain training.

Mental Math Master: Abacus is a mental math and calculation training app that helps you practice abacus-style mental math from the basics by visualizing abacus beads in your mind.

The foundation of mental math is speed with one-digit calculations and understanding complements.
Through complement practice, abacus bead visualization, addition and subtraction, multiplication, and division drills, you can gradually improve your mental math skills, calculation ability, and concentration.

This app is useful for children’s math practice, adult brain training, and preparation for abacus or mental arithmetic exams.

◆ Features

1. Learn complements from the basics
Practice complements to 10, complements to 5, and complements to both 5 and 10.
Repeated practice helps you understand complements, an important concept in abacus mental math.

2. Practice addition, subtraction, multiplication, and division
Set the number of digits, questions, and time limit to match your level.
Useful for beginners, daily calculation practice, and exam preparation.

3. Abacus bead visualization training
Practice connecting numbers with abacus beads.
Train the feeling of moving beads in your mind.

4. Listening calculation practice
Practice not only by looking at numbers, but also by listening to spoken numbers.
This helps train practical mental math skills.

5. Track your growth with challenges
Practice complement challenges, addition and subtraction challenges, multiplication challenges, and division challenges.
Check your best time, average time, play count, rankings, and progress.

6. Retry incorrect questions
Incorrect answers from normal practice are saved so you can try them again later.
Review weak areas and improve your mental math and calculation skills step by step.

7. Practice weak areas efficiently
Practice problems based on mistakes and questions that took longer to solve.
This helps you review difficult areas more effectively.

8. Exam-level practice
Practice from beginner levels up to advanced Dan levels.
Keep training while checking your current rank and next goal.

◆ Recommended for people who want to:

・Improve mental math speed and accuracy
・Practice abacus mental math
・Learn complements and abacus bead visualization
・Practice addition, subtraction, multiplication, and division
・Train mental math through listening calculation
・Use a math practice app for children
・Use a calculation app for adult brain training
・Prepare for abacus or mental arithmetic exams
・Review mistakes and overcome weak points

Mental Math Master: Abacus is more than a simple calculation drill app.
It combines complements, bead visualization, listening calculation, arithmetic drills, exam practice, review, and records to help you continuously train abacus-style mental math.

Build calculation skills little by little with daily practice.
Improve your mental math, calculation ability, and concentration step by step. ## Rankings - #1,022,381 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.SCHEDULE_EXACT_ALARM` - `android.permission.WAKE_LOCK` - `app.mt.anzanmaster.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` ## Similar extensions and apps - [Mental Math & Abacus Trainer](https://chrome-stats.com/d/com.qiaozhi943.speedmathtoolkit) — 888 users - [AbacusAce: Abacus Practice](https://chrome-stats.com/d/com.learnerscapsule.abacus) — 1,518 users - [Mental Abacus Expert](https://chrome-stats.com/d/com.lindbla.education.abacus) — 43,319 users, 4.50 / 5 - [Mental Math - Arithmetic Games](https://chrome-stats.com/d/com.digitalapps.mentalmath) — 6,947 users - [Simple Abacus Speed Practice](https://chrome-stats.com/d/com.rainbowcreators.abacuspeed) — 5,906 users - [Abacus Mental Maths](https://chrome-stats.com/d/com.bluecastlestudios.quiz.abacus) — 763 users - [Abacus math game](https://chrome-stats.com/d/com.eejsoft.gameabacus) — 252 users - [Abacus & Mental Math Trainer](https://chrome-stats.com/d/com.abacus.trainer) — 1,386 users - [Mental Calculation & Abacus](https://chrome-stats.com/d/com.JINAJU.MentalCalculationAbacus) — 10,789 users - [Mind Math Dash - Mental Math](https://chrome-stats.com/d/ca.wildesignstudio.mindmathdash) — 33 users - [Abaco - Flash Mental Math](https://chrome-stats.com/d/com.kobbokkom.abacus_simple_anzan) — 27,161 users - [Abacus Practice Speed](https://chrome-stats.com/d/com.abacus.practice) — 337 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/app.mt.anzanmaster)