# 24 Math Fun vs phase estimation algorithm

The clearest difference is update cadence: phase estimation algorithm at monthly against 24 Math Fun's every 47 months. 24 Math Fun's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support 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 Fun ships an update every 47 months, phase estimation algorithm monthly. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 24 Math Fun | phase estimation algorithm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/24-math-fun/id1525041270/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 47 months | **Monthly** |
| Monetization | Free | — |
| Size | 9 MB | 12 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STRENGCON LLC](https://appshunter.io/developer/1484156741) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### 24 Math Fun

[App page](https://appshunter.io/ios/app/24-math-fun/id1525041270)

Challenge yourself to reach a target number using four random numbers and basic arithmetic operations. This brain-training app offers customizable targets, practice, and test modes to enhance math skills and boost cognitive function for all ages.

**Highlights:** Customizable target number, Two game modes: Practice and Test, Flexible testing time, Enhance math skills, Boost brain function, Fun for all ages

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

**In-app purchases:** none


### phase estimation algorithm

[App page](https://appshunter.io/ios/app/phase-estimation-algorithm/id6469448415)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 24 Math Fun free?

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

### Is phase estimation algorithm free?

phase estimation algorithm is free to download, with no in-app purchases.

### Do 24 Math Fun or phase estimation algorithm have ads?

Neither 24 Math Fun nor phase estimation algorithm shows ads.

### Which is updated more often, 24 Math Fun or phase estimation algorithm?

24 Math Fun ships an update every 47 months, and phase estimation algorithm monthly. Most recently, 24 Math Fun was updated on October 17, 2026 and phase estimation algorithm on October 10, 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.*