# Learn Data Structures vs Junkiri

The clearest difference is in-app purchases: Junkiri at none against Learn Data Structures's 1. Junkiri also leads on iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Learn Data Structures sells 1 one-off in-app purchase. Junkiri asks for nothing beyond the download.

## The numbers

| Metric | Learn Data Structures | Junkiri |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 16 months | — |
| Size | 28 MB | 73 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) | [Brainants Technology Pvt Ltd](https://appshunter.io/developer/1470189250) |

## What reviewers say

### Learn Data Structures

[App page](https://appshunter.io/ios/app/learn-data-structures/id6446444404)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### Junkiri

[App page](https://appshunter.io/ios/app/junkiri/id6449749926)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learn Data Structures free?

Learn Data Structures is free to download, with in-app purchases available.

### Is Junkiri free?

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

### Do Learn Data Structures or Junkiri have ads?

Neither Learn Data Structures nor Junkiri 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.*