# Croc 24 vs NSOperation

The clearest difference is in-app purchases: NSOperation at none against Croc 24's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Croc 24 sells 1 one-off in-app purchase. NSOperation asks for nothing beyond the download.

## The numbers

| Metric | Croc 24 | NSOperation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/croc-24-math-game/id6746104087/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 23 MB | 2 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Wei Wang](https://appshunter.io/developer/1467609434) | [Daniel Romero](https://appshunter.io/developer/893059976) |

## What reviewers say

### Croc 24

[App page](https://appshunter.io/ios/app/croc-24-math-game/id6746104087)

This app offers a fun way to practice and master the 24 game. It features a free calculator for finding solutions, a challenge mode for testing skills, and a history tracker to monitor progress. Enjoy a delightful and ad-free mathematical adventure.

**Highlights:** Free calculator for finding all solutions, Challenge mode with random puzzles, History tracker for progress monitoring, Powerful mathematical algorithm, Adorable and intuitive interface, Ad-free gaming experience

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium | $1.99 | one-time |


### NSOperation

[App page](https://appshunter.io/ios/app/nsoperation/id6746875864)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Croc 24 free?

Croc 24 is free to download, with in-app purchases available.

### Is NSOperation free?

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

### Do Croc 24 or NSOperation have ads?

Neither Croc 24 nor NSOperation 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.*