# Math 24 vs Othello レトロー

The clearest difference is update cadence: Othello レトロー at every 4 days against Math 24's every 6 weeks. Math 24's advantage is ratings volume (2.1K vs 4) and rating (4.7 vs 4.5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Math 24 sells 4 one-off in-app purchases and Othello レトロー sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Math 24 holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Math 24 has 2.1K ratings behind it against 4, so its average is the more settled of the two.

Math 24 ships an update every 6 weeks, Othello レトロー every 4 days. The most recent releases landed on September 22, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | Math 24 | Othello レトロー |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.1K ratings)](https://appshunter.io/ios/app/math-24-mental-math-cards/id1274499822/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/othello/id1667212191/reviews) |
| Number of ratings | **2.1K** | 4 |
| Positive reviews | 76.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 33 MB | 11 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peikun Duan](https://appshunter.io/developer/1240254007) | [Sirawat Pulsree](https://appshunter.io/developer/573587995) |

## What reviewers say

### Math 24

[App page](https://appshunter.io/ios/app/math-24-mental-math-cards/id1274499822)

This app offers a classic arithmetic puzzle where players combine four numbers using basic operations to reach 24. It features progressive difficulty levels, a timed challenge mode, and integration with Game Center for leaderboards and achievements.

**Highlights:** Combine four numbers to make 24, Addition, subtraction, multiplication, division, Stage mode with 300 levels, Speed mode for timed challenges, Game Center leaderboards and achievements, Help button for difficult questions

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12 Tips | $1.39 | one-time |
| Remove Ads | $2.39 | one-time |
| 20 Tips | $2.39 | one-time |
| 20 Tips + Remove Ads | $3.99 | one-time |

**What reviewers like**

- 🚀 Fun and challenging
- 👍 Helps improve math skills
- 👍 Great brain training
- 👍 Convenient and accessible

**What reviewers complain about**

- 🙄 Too many ads
- 🐛 Bugs and issues with ads
- 🙄 Levels too difficult

**Reported bugs**

- Incorrect solutions provided
- Ads not working properly
- Syncing issues across devices

**Requested features**

- Add negative numbers and more features
- Option to favorite/save questions
- Difficulty levels (easy, medium, hard)


### Othello レトロー

[App page](https://appshunter.io/ios/app/othello/id1667212191)

Experience the classic strategy game with an 80s retro aesthetic. Enjoy multiple AI difficulty levels and choose between 2D and 3D visual perspectives. Perfect for quick matches or in-depth play.

**Highlights:** 80s retro style graphics, Multiple AI difficulty levels, 2D and 3D view options, Classic strategy gameplay

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Math 24 free?

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

### Is Othello レトロー free?

Othello レトロー is free to download, with in-app purchases available.

### Which has better reviews, Math 24 or Othello レトロー?

Math 24 is rated higher. Math 24 averages 4.7 out of 5 from 2.1K ratings, while Othello レトロー averages 4.5 from 4 ratings.

### Do Math 24 or Othello レトロー have ads?

Both Math 24 and Othello レトロー show ads.

### Which is updated more often, Math 24 or Othello レトロー?

Math 24 ships an update every 6 weeks, and Othello レトロー every 4 days. Most recently, Math 24 was updated on September 22, 2026 and Othello レトロー on June 9, 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.*