# CCC Problems vs Programming Language Semantics

The clearest difference is iOS requirement: Programming Language Semantics at 15.1 against CCC Problems's 18.5. 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 | CCC Problems | Programming Language Semantics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 5 MB | 38 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TT Math School Inc](https://appshunter.io/developer/1847194956) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### CCC Problems

[App page](https://appshunter.io/ios/app/ccc-problems/id6754226175)

**Features:** macOS Compatibility

**In-app purchases:** none


### Programming Language Semantics

[App page](https://appshunter.io/ios/app/programming-language-semantics/id6773252205)

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

**In-app purchases:** none


## Frequently asked questions

### Is CCC Problems free?

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

### Is Programming Language Semantics free?

Programming Language Semantics is free to download, with no in-app purchases.

### Do CCC Problems or Programming Language Semantics have ads?

Neither CCC Problems nor Programming Language Semantics 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.*