# DiY IEU Library vs IEU Lecturio

The clearest difference is update cadence: DiY IEU Library at every 2 months against IEU Lecturio's every 4 months. DiY IEU Library also leads on iOS requirement (13.0 vs 15.0). 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.

DiY IEU Library ships an update every 2 months, IEU Lecturio every 4 months. The most recent releases landed on September 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DiY IEU Library | IEU Lecturio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 5 MB | 117 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +17 |
| Developer | [INSTITUTO DE EMPRESA SL](https://appshunter.io/developer/504528731) | [Lecturio GmbH](https://appshunter.io/developer/667474928) |

## What reviewers say

### DiY IEU Library

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

**Features:** macOS Compatibility

**In-app purchases:** none


### IEU Lecturio

[App page](https://appshunter.io/ios/app/ieu-lecturio/id1555445365)

**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 IEU Lecturio free?

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

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

Neither DiY IEU Library nor IEU Lecturio shows ads.

### Which is updated more often, DiY IEU Library or IEU Lecturio?

DiY IEU Library ships an update every 2 months, and IEU Lecturio every 4 months. Most recently, DiY IEU Library was updated on September 7, 2026 and IEU Lecturio on September 21, 2026.

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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.*