# i世代之記憶迷宮 vs Prime Numbers Math Games

The clearest difference is update cadence: i世代之記憶迷宮 at every 5 days against Prime Numbers Math Games's every 3 weeks. i世代之記憶迷宮 also leads on iOS requirement (13.0 vs 17.2). 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.

i世代之記憶迷宮 ships an update every 5 days, Prime Numbers Math Games every 3 weeks. The most recent releases landed on September 7, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | i世代之記憶迷宮 | Prime Numbers Math Games |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/prime-numbers-math-games/id6737446154/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 329 MB | 3 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kratos Digital Limited](https://appshunter.io/developer/409451637) | [Tsz Poon](https://appshunter.io/developer/1462001466) |

## What reviewers say

### i世代之記憶迷宮

[App page](https://appshunter.io/ios/app/i/id1227218844)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prime Numbers Math Games

[App page](https://appshunter.io/ios/app/prime-numbers-math-games/id6737446154)

This app offers interactive lessons and games to help users learn and practice prime numbers, HCF, and LCM. It provides clear explanations, timed challenges, and adjustable difficulty levels for focused math revision and skill-building.

**Highlights:** Learn prime number concepts, Practice HCF and LCM calculations, Interactive number challenges, Timed game modes, Adjustable difficulty levels, Clear learning screens

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i世代之記憶迷宮 free?

i世代之記憶迷宮 is free to download, with no in-app purchases.

### Is Prime Numbers Math Games free?

Prime Numbers Math Games is free to download, with no in-app purchases.

### Do i世代之記憶迷宮 or Prime Numbers Math Games have ads?

Neither i世代之記憶迷宮 nor Prime Numbers Math Games shows ads.

### Which is updated more often, i世代之記憶迷宮 or Prime Numbers Math Games?

i世代之記憶迷宮 ships an update every 5 days, and Prime Numbers Math Games every 3 weeks. Most recently, i世代之記憶迷宮 was updated on September 7, 2026 and Prime Numbers Math Games on June 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*