# Prime Numbers Math Games vs Collatz Explorer

The clearest difference is rating: Collatz Explorer at 4.6 against Prime Numbers Math Games's 3.0. Collatz Explorer also leads on ratings volume (7 vs 2). 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.

Collatz Explorer holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 2 and 7 respectively.

Prime Numbers Math Games ships an update every 3 weeks, Collatz Explorer monthly. The most recent releases landed on June 26, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Prime Numbers Math Games | Collatz Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/prime-numbers-math-games/id6737446154/reviews) | **[4.6 (7 ratings)](https://appshunter.io/ios/app/collatz-explorer/id6755121221/reviews)** |
| Number of ratings | 2 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 3 MB | 1 MB |
| Requires iOS | **17.2** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tsz Poon](https://appshunter.io/developer/1462001466) | [Berk Sucu](https://appshunter.io/developer/1852063488) |

## What reviewers say

### 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


### Collatz Explorer

[App page](https://appshunter.io/ios/app/collatz-explorer/id6755121221)

Explore mathematical sequences with this app. It calculates the standard Collatz sequence for any number you enter and can also display sequences from an alternative 3x-1 function.

**Highlights:** Calculate Collatz sequences, Calculate 3x-1 function sequences, Input any number, Visualize sequences

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

**In-app purchases:** none


## Frequently asked questions

### Is Prime Numbers Math Games free?

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

### Is Collatz Explorer free?

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

### Which has better reviews, Prime Numbers Math Games or Collatz Explorer?

Collatz Explorer is rated higher. Prime Numbers Math Games averages 3.0 out of 5 from 2 ratings, while Collatz Explorer averages 4.6 from 7 ratings.

### Do Prime Numbers Math Games or Collatz Explorer have ads?

Neither Prime Numbers Math Games nor Collatz Explorer shows ads.

### Which is updated more often, Prime Numbers Math Games or Collatz Explorer?

Prime Numbers Math Games ships an update every 3 weeks, and Collatz Explorer monthly. Most recently, Prime Numbers Math Games was updated on June 26, 2026 and Collatz Explorer on September 9, 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.*