# DiY IEU Library vs CourseTrees

The clearest difference is device support: DiY IEU Library at 3 against CourseTrees's 1. DiY IEU Library also leads on iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases 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 | DiY IEU Library | CourseTrees |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/coursetrees/id6801833465/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | — | Free |
| Size | 5 MB | 11 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [INSTITUTO DE EMPRESA SL](https://appshunter.io/developer/504528731) | [NOAH BAER FINKELSTEIN](https://appshunter.io/developer/6790465202) |

## What reviewers say

### DiY IEU Library

[App page](https://appshunter.io/ios/app/diy-ieu-library/id1074815558)

**Features:** macOS Compatibility

**In-app purchases:** none


### CourseTrees

[App page](https://appshunter.io/ios/app/coursetrees/id6801833465)

Visualize university course catalogs as interactive graphs. Easily see course prerequisites, plan academic paths, and explore what each course unlocks. Supports 156 universities, simplifying semester planning.

**Highlights:** Interactive course graph, Visualize prerequisites, Plan academic routes, Explore course unlocks, Supports 156 universities

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

**In-app purchases:** none


## Frequently asked questions

### Is DiY IEU Library free?

DiY IEU Library is free to download, with no in-app purchases.

### Is CourseTrees free?

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

### Do DiY IEU Library or CourseTrees have ads?

Neither DiY IEU Library nor CourseTrees 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.*