# Abacus Mental Math Training

> Flash Anzan, Speed Math, Mental math, Mental calculation, Fast math.

Canonical page: [https://chrome-stats.com/d/com.smellymonster.android.fastmath](https://chrome-stats.com/d/com.smellymonster.android.fastmath)

## Overview

- **ID:** `com.smellymonster.android.fastmath`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Tiny Monster
- **Category:** GAME\_EDUCATIONAL
- **Downloads:** 97,215
- **Rating:** 3.17 / 5 (698 ratings)
- **Version:** 2.2.0
- **Last updated:** 2025-07-14
- **First published:** 2023-05-20
- **Publisher country:** CN
- **Size:** 29 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.smellymonster.android.fastmath)
- **Privacy policy:** [https://blog.csdn.net/dpk1229/article/details/104455245](https://blog.csdn.net/dpk1229/article/details/104455245)

## Description

**Abacus Mental Math Training** is a professional Chrome extension designed for enthusiasts aiming to master mental calculation and speed math. Aligned strictly with the World Abacus Mental Calculation Federation’s certification standards, it offers a comprehensive training experience with two primary modes: Challenge Mode and Custom Mode.

In Challenge Mode, users can progress through 10 levels featuring 200 stages that simulate official abacus certification exams, covering addition, subtraction, multiplication, and division. Custom Mode allows personalized practice with adjustable parameters, including calculation types and time intervals. Suitable for students and mental math enthusiasts, this extension helps sharpen lightning-fast calculation skills and prepares users effectively for official level certification and related accounting exams. Its user-friendly interface ensures engaging, educational, and efficient training.

## Rankings

- #224,034 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.BILLING`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users appreciate the app's simplicity, usefulness for mental math practice, and suitability for students learning abacus. However, many are frustrated by frequent ads after every question, lack of feedback on correct answers when mistakes occur, and occasional incorrect grading. Enhancements like showing correct answers and adjusting font size would improve usability.

### Pros

- Simple and easy to use for mental math practice
- Useful for improving calculation speed and suitable for competitive exam preparation
- Effective practice tool for students and kids learning abacus
- Addictive and engaging for regular practice
- Option to watch ads to temporarily remove them appreciated by users

### Cons

- Excessive advertisements after every question or click leading to frustration
- Lack of correct answer display when user answers incorrectly, making it hard to learn from mistakes
- Occasional incorrect marking of correct answers, causing confusion
- Font and number sizes could be increased for better readability

## Similar extensions and apps

- [FlashMath-Mental Math Training](https://chrome-stats.com/d/com.threehalf.flashmath) — 36 users
- [Anzan - Abacus Flash Cards](https://chrome-stats.com/d/com.rainbowcreators.anzan) — 1,760 users
- [Abacus Mental Maths](https://chrome-stats.com/d/com.bluecastlestudios.quiz.abacus) — 758 users
- [Abaco - Flash Mental Math](https://chrome-stats.com/d/com.kobbokkom.abacus_simple_anzan) — 27,112 users
- [Simple Abacus Speed Practice](https://chrome-stats.com/d/com.rainbowcreators.abacuspeed) — 5,854 users
- [Flash Anzan - Soroban Math](https://chrome-stats.com/d/com.tomople.anpan) — 101 users
- [Mental Math Master Abacus Game](https://chrome-stats.com/d/app.mt.anzanmaster) — 1,567 users
- [Focus Math](https://chrome-stats.com/d/com.focusacademy.focusmath) — 211 users
- [Abacus & Mental Math Trainer](https://chrome-stats.com/d/com.abacus.trainer) — 1,372 users
- [Abacus - Foundation Level](https://chrome-stats.com/d/com.vpm.foundationabacus) — 103 users
- [Math Adventure](https://chrome-stats.com/d/com.shraddha.mathadventure) — 921 users
- [Mind Maths Trainer](https://chrome-stats.com/d/com.hamsterforce.mindmathstrainer) — 130 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.smellymonster.android.fastmath)