# Rectangles & Primes vs tqc

The clearest difference is iOS requirement: Rectangles & Primes at 15.0 against tqc's 18.2. 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.

## The numbers

| Metric | Rectangles & Primes | tqc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 10 MB | 1 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Charra](https://appshunter.io/developer/1557733427) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Rectangles & Primes

[App page](https://appshunter.io/ios/app/rectangles-and-primes/id1572074176)

**Features:** macOS Compatibility

**In-app purchases:** none


### tqc

[App page](https://appshunter.io/ios/app/tqc/id6746953125)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rectangles & Primes free?

Rectangles & Primes is free to download, with no in-app purchases.

### Is tqc free?

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

### Do Rectangles & Primes or tqc have ads?

Neither Rectangles & Primes nor tqc shows ads.

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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.*