# Math 24 vs Flash Mental Math

Math 24 and Flash Mental Math both sit at 4.6 stars, but that hides the real split: 100% of Flash Mental Math's written reviews are positive against 57% of Math 24's. Flash Mental Math also leads on in-app purchases (none vs 5). Math 24's advantage is ratings volume (526 vs 20) and iOS requirement (13.0 vs 15.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Math 24 sells 5 one-off in-app purchases. Flash Mental Math asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Math 24 against 4.6 for Flash Mental Math. That said, the two scores are not equally well evidenced: Math 24 has 526 ratings behind it against 20, so its average is the more settled of the two. Written reviews are what separate them: 57% of Math 24's written reviews are positive against 100% of Flash Mental Math's.

Math 24 ships an update every 4 months, Flash Mental Math every 3 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Math 24 | Flash Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (526 ratings)](https://appshunter.io/ios/app/math-24-mental-math/id1481802769/reviews) | **[4.6 (20 ratings)](https://appshunter.io/ios/app/flash-mental-math-simple/id1547944841/reviews)** |
| Number of ratings | **526** | 20 |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 54 MB | 14 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHENGDU MIAOZHI TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1465440799) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### Math 24

[App page](https://appshunter.io/ios/app/math-24-mental-math/id1481802769)

This app challenges users to reach the number 24 using basic arithmetic operations. It offers various practice modes, timed challenges, and a problem generator for educators. Users can track their progress on leaderboards and utilize hints for assistance.

**Highlights:** Daily practice with difficulty levels, Create custom test papers, Timed race challenges, Global leaderboards, Adjustable difficulty and titles, Hints and solutions provided, Gesture-based puzzle solving

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 10 hints | $0.99 | one-time |
| Buy 10 skips | $0.99 | one-time |
| Buy 50 generate questions | $3.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Lifetime Premium | $5.99 | one-time |


### Flash Mental Math

[App page](https://appshunter.io/ios/app/flash-mental-math-simple/id1547944841)

Practice mental arithmetic with various difficulty levels and custom modes. This app serves as a brain training tool to enhance calculation skills.

**Highlights:** Mental arithmetic practice, Easy, normal, and difficult modes, Customizable modes, Brain training, Calculation skill improvement

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

**In-app purchases:** none


## Frequently asked questions

### Is Math 24 free?

Math 24 is free to download, with in-app purchases available.

### Is Flash Mental Math free?

Flash Mental Math is free to download, with no in-app purchases.

### Which has better reviews, Math 24 or Flash Mental Math?

Flash Mental Math is rated higher. Math 24 averages 4.6 out of 5 from 526 ratings, while Flash Mental Math averages 4.6 from 20 ratings.

### Do Math 24 or Flash Mental Math have ads?

Both Math 24 and Flash Mental Math show ads.

### Which is updated more often, Math 24 or Flash Mental Math?

Math 24 ships an update every 4 months, and Flash Mental Math every 3 months. Most recently, Math 24 was updated on November 7, 2026 and Flash Mental Math on November 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.*