# Math 24 vs Duck

The clearest difference is in-app purchases: Duck at none against Math 24's 4. Duck also leads on ads (none vs shown) and rating (5.0 vs 4.7). Math 24's advantage is ratings volume (2.2K vs 1) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Math 24 sells 4 one-off in-app purchases. Duck asks for nothing beyond the download.

Duck holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Math 24 has 2.2K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Math 24 | Duck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.2K ratings)](https://appshunter.io/ios/app/math-24-mental-math-cards/id1274499822/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duck-challenge/id6754608813/reviews)** |
| Number of ratings | **2.2K** | 1 |
| Positive reviews | 75.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 33 MB | 37 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Peikun Duan](https://appshunter.io/developer/1240254007) | [Gilbert Gonsalves](https://appshunter.io/developer/492123194) |

## 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)


### Duck

[App page](https://appshunter.io/ios/app/duck-challenge/id6754608813)

A fun and challenging game where players aim to remove the last duck from the board. Test your strategic thinking to see how quickly you can win your first match.

**Highlights:** Wythoff's Game variation, Strategic duck removal, Challenging gameplay, Quick game sessions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math 24 free?

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

### Is Duck free?

Duck is free to download, with no in-app purchases.

### Which has better reviews, Math 24 or Duck?

Duck is rated higher. Math 24 averages 4.7 out of 5 from 2.2K ratings, while Duck averages 5.0 from 1 ratings.

### Do Math 24 or Duck have ads?

Math 24 shows ads; Duck does not.

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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.*