# Abacus Mental Math Training vs Flash Mental Math (Anzan)

The clearest difference is rating: Flash Mental Math (Anzan) at 5.0 against Abacus Mental Math Training's 4.1. Flash Mental Math (Anzan) also leads on update cadence (every 10 days vs monthly). Abacus Mental Math Training's advantage is ratings volume (31 vs 3) and iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Abacus Mental Math Training sells 1 one-off in-app purchase and Flash Mental Math (Anzan) sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Flash Mental Math (Anzan) holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Abacus Mental Math Training has 31 ratings behind it against 3, so its average is the more settled of the two.

Abacus Mental Math Training ships an update monthly, Flash Mental Math (Anzan) every 10 days. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Abacus Mental Math Training | Flash Mental Math (Anzan) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (31 ratings)](https://appshunter.io/ios/app/abacus-mental-math-training/id6449295111/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flash-mental-math-anzan/id6749636736/reviews)** |
| Number of ratings | **31** | 3 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 34 MB | 54 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peikun Duan](https://appshunter.io/developer/1240254007) | [SIC Company Limited](https://appshunter.io/developer/1800842356) |

## What reviewers say

### Abacus Mental Math Training

[App page](https://appshunter.io/ios/app/abacus-mental-math-training/id6449295111)

This app offers professional training and assessment for abacus mental calculation and flash calculation, adhering to international grading standards. It features challenge and custom modes to help users improve their math and speed calculation skills.

**Highlights:** Adheres to World Abacus Mental Calculation Federation standards, Challenge Mode with 10 levels and 200 stages, Custom Mode for Flash Calculation and Abacus practice, Adjustable calculation parameters (number range, digits, time), Gradual difficulty progression, Simulates exam conditions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.59 | one-time |


### Flash Mental Math (Anzan)

[App page](https://appshunter.io/ios/app/flash-mental-math-anzan/id6749636736)

This app helps users of all ages improve their mental math and calculation speed. Numbers flash on screen briefly, training quick thinking and concentration. It's ideal for children preparing for abacus certification, students needing math test prep, or adults seeking brain training.

**Highlights:** Flash number display for quick thinking, Adjustable difficulty levels, Global and classroom rankings, No account registration required, Supports multiple languages, Intuitive interface for children

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |


## Frequently asked questions

### Is Abacus Mental Math Training free?

Abacus Mental Math Training is free to download, with in-app purchases available.

### Is Flash Mental Math (Anzan) free?

Flash Mental Math (Anzan) is free to download, with in-app purchases available.

### Which has better reviews, Abacus Mental Math Training or Flash Mental Math (Anzan)?

Flash Mental Math (Anzan) is rated higher. Abacus Mental Math Training averages 4.1 out of 5 from 31 ratings, while Flash Mental Math (Anzan) averages 5.0 from 3 ratings.

### Do Abacus Mental Math Training or Flash Mental Math (Anzan) have ads?

Both Abacus Mental Math Training and Flash Mental Math (Anzan) show ads.

### Which is updated more often, Abacus Mental Math Training or Flash Mental Math (Anzan)?

Abacus Mental Math Training ships an update monthly, and Flash Mental Math (Anzan) every 10 days. Most recently, Abacus Mental Math Training was updated on October 11, 2026 and Flash Mental Math (Anzan) on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*