# Flash Mental Math (Anzan) vs ChantCode

The clearest difference is ads: ChantCode at none against Flash Mental Math (Anzan)'s shown. ChantCode also leads on update cadence (every 5 days vs every 10 days). Flash Mental Math (Anzan)'s advantage is ratings volume (3 vs 1). On price, rating, in-app purchases and monetization model there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Flash Mental Math (Anzan) against 5.0 for ChantCode. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Flash Mental Math (Anzan) ships an update every 10 days, ChantCode every 5 days. The most recent releases landed on October 7, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Flash Mental Math (Anzan) | ChantCode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/flash-mental-math-anzan/id6749636736/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/chantcode-multiplication/id6799623130/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 54 MB | 268 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SIC Company Limited](https://appshunter.io/developer/1800842356) | [林锋 洪](https://appshunter.io/developer/6799481889) |

## What reviewers say

### 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 |


### ChantCode

[App page](https://appshunter.io/ios/app/chantcode-multiplication/id6799623130)

This app helps children master multiplication facts through engaging rhythmic chants and focused recall practice. It guides users from learning individual times tables to mixed multiplication challenges, fostering fluency and automaticity.

**Highlights:** Rhythmic multiplication chants, Memorization of multiplication facts, Rapid question-and-answer recall, Interactive learning challenges, Progressive practice from individual to mixed tables

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full ChantCode | $9.99 | one-time |


## Frequently asked questions

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

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

### Is ChantCode free?

ChantCode is free to download, with in-app purchases available.

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

Flash Mental Math (Anzan) and ChantCode are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

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

Flash Mental Math (Anzan) shows ads; ChantCode does not.

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

Flash Mental Math (Anzan) ships an update every 10 days, and ChantCode every 5 days. Most recently, Flash Mental Math (Anzan) was updated on October 7, 2026 and ChantCode on October 29, 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.*