# AlgoNinja vs 100DaysOfCode

The clearest difference is iOS requirement: 100DaysOfCode at 15.1 against AlgoNinja's 17.5. 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 | AlgoNinja | 100DaysOfCode |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 4 MB | 26 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Titov](https://appshunter.io/developer/1737349347) | [Praveen Kumar](https://appshunter.io/developer/1787580178) |

## What reviewers say

### AlgoNinja

[App page](https://appshunter.io/ios/app/algoninja/id6639586961)

**Features:** macOS Compatibility

**In-app purchases:** none


### 100DaysOfCode

[App page](https://appshunter.io/ios/app/100daysofcode/id6748586989)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AlgoNinja free?

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

### Is 100DaysOfCode free?

100DaysOfCode is free to download, with no in-app purchases.

### Do AlgoNinja or 100DaysOfCode have ads?

Neither AlgoNinja nor 100DaysOfCode 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.*