# 24 Math Master vs DC34 CTF

The clearest difference is iOS requirement: DC34 CTF at 17.0 against 24 Math Master's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

24 Math Master ships an update every 2 days, DC34 CTF every 3 days. The most recent releases landed on September 14, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 24 Math Master | DC34 CTF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 1 MB | 6 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jingling Zhu](https://appshunter.io/developer/1632188995) | [Jeremy Yablan](https://appshunter.io/developer/1781747583) |

## What reviewers say

### 24 Math Master

[App page](https://appshunter.io/ios/app/24-math-master/id6758396505)

**Features:** macOS Compatibility

**In-app purchases:** none


### DC34 CTF

[App page](https://appshunter.io/ios/app/dc34-ctf/id6784302919)

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

**In-app purchases:** none


## Frequently asked questions

### Is 24 Math Master free?

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

### Is DC34 CTF free?

DC34 CTF is free to download, with no in-app purchases.

### Do 24 Math Master or DC34 CTF have ads?

Neither 24 Math Master nor DC34 CTF shows ads.

### Which is updated more often, 24 Math Master or DC34 CTF?

24 Math Master ships an update every 2 days, and DC34 CTF every 3 days. Most recently, 24 Math Master was updated on September 14, 2026 and DC34 CTF on September 28, 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.*