# XFAIR.app vs ENGEL e

The clearest difference is update cadence: XFAIR.app at every 2 weeks against ENGEL e's every 7 months. ENGEL e's advantage is iOS requirement (15.0 vs 17.6). 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.

XFAIR.app ships an update every 2 weeks, ENGEL e every 7 months. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | XFAIR.app | ENGEL e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 7 months |
| Size | 15 MB | 19 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [XFAIR GmbH](https://appshunter.io/developer/1609045657) | [ENGEL AUSTRIA GmbH](https://appshunter.io/developer/687631542) |

## What reviewers say

### XFAIR.app

[App page](https://appshunter.io/ios/app/xfairapp/id1625097451)

**In-app purchases:** none


### ENGEL e

[App page](https://appshunter.io/ios/app/engel-e-vent/id6449192345)

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

**In-app purchases:** none


## Frequently asked questions

### Is XFAIR.app free?

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

### Is ENGEL e free?

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

### Do XFAIR.app or ENGEL e have ads?

Neither XFAIR.app nor ENGEL e shows ads.

### Which is updated more often, XFAIR.app or ENGEL e?

XFAIR.app ships an update every 2 weeks, and ENGEL e every 7 months. Most recently, XFAIR.app was updated on October 2, 2026 and ENGEL e on October 10, 2026.

---

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