# IEU Lecturio vs DELF Pass

The clearest difference is update cadence: DELF Pass at every 2 days against IEU Lecturio's every 4 months. DELF Pass 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.

IEU Lecturio ships an update every 4 months, DELF Pass every 2 days. The most recent releases landed on September 21, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | IEU Lecturio | DELF Pass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 117 MB | 40 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +17 | 4+ |
| Developer | [Lecturio GmbH](https://appshunter.io/developer/667474928) | [Indo Yoon](https://appshunter.io/developer/1866282692) |

## What reviewers say

### IEU Lecturio

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

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

**In-app purchases:** none


### DELF Pass

[App page](https://appshunter.io/ios/app/delf-pass/id6762107331)

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

**In-app purchases:** none


## Frequently asked questions

### Is IEU Lecturio free?

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

### Is DELF Pass free?

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

### Do IEU Lecturio or DELF Pass have ads?

Neither IEU Lecturio nor DELF Pass shows ads.

### Which is updated more often, IEU Lecturio or DELF Pass?

IEU Lecturio ships an update every 4 months, and DELF Pass every 2 days. Most recently, IEU Lecturio was updated on September 21, 2026 and DELF Pass on May 17, 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.*