# ADN vs ULEP

The clearest difference is update cadence: ULEP at every 2 months against ADN's every 24 months. ADN's advantage is iOS requirement (12.0 vs 15.1). 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.

ADN ships an update every 24 months, ULEP every 2 months. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ADN | ULEP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 months** |
| Size | 58 MB | 94 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Ville de Nancy - Nancy Musées](https://appshunter.io/developer/1420479487) | [Université de Lorraine](https://appshunter.io/developer/834941315) |

## What reviewers say

### ADN

[App page](https://appshunter.io/ios/app/adn-art-dans-nancy/id6443679671)

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

**In-app purchases:** none


### ULEP

[App page](https://appshunter.io/ios/app/ulep/id6463897694)

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

**In-app purchases:** none


## Frequently asked questions

### Is ADN free?

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

### Is ULEP free?

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

### Do ADN or ULEP have ads?

Neither ADN nor ULEP shows ads.

### Which is updated more often, ADN or ULEP?

ADN ships an update every 24 months, and ULEP every 2 months. Most recently, ADN was updated on October 13, 2026 and ULEP on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*