# 24 vs Put'EmIn

The clearest difference is in-app purchases: 24 at none against Put'EmIn's 1. 24 also leads on ads (none vs shown) and update cadence (every 2 days vs every 10 months). On price and device support there is nothing between them.

Both are free to download. Put'EmIn sells 1 one-off in-app purchase. 24 asks for nothing beyond the download.

24 ships an update every 2 days, Put'EmIn every 10 months. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 24 | Put'EmIn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (6 ratings)](https://appshunter.io/ios/app/24-mental-math-game/id1442241529/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 10 months |
| Monetization | Free | — |
| Size | 73 MB | 202 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [德军 朱](https://appshunter.io/developer/635191375) | [Sandor Tasnadi](https://appshunter.io/developer/1102198629) |

## What reviewers say

### 24

[App page](https://appshunter.io/ios/app/24-mental-math-game/id1442241529)

This game challenges players to combine four numbers using basic arithmetic operations to reach the target number 24. It offers various modes to practice and test mental math skills, from extensive level-based practice to timed challenges.

**Highlights:** Combine 4 numbers to make 24, Addition, subtraction, multiplication, division, 1280 levels in practice mode, Speed challenge mode, Time challenge mode, Supports iPhone X and iOS devices

**Features:** macOS Compatibility

**In-app purchases:** none


### Put'EmIn

[App page](https://appshunter.io/ios/app/putemin/id1484873029)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all levels | $2.99 | one-time |


## Frequently asked questions

### Is 24 free?

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

### Is Put'EmIn free?

Put'EmIn is free to download, with in-app purchases available.

### Do 24 or Put'EmIn have ads?

Put'EmIn shows ads; 24 does not.

### Which is updated more often, 24 or Put'EmIn?

24 ships an update every 2 days, and Put'EmIn every 10 months. Most recently, 24 was updated on October 2, 2026 and Put'EmIn on October 15, 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.*