# EXU vs SCHELL

The clearest difference is update cadence: SCHELL at every 3 weeks against EXU's every 22 months. EXU's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.2). 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.

EXU ships an update every 22 months, SCHELL every 3 weeks. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | EXU | SCHELL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 weeks** |
| Size | 37 MB | 193 MB |
| Requires iOS | **11.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Glamus GmbH](https://appshunter.io/developer/1336001206) | [SCHELL Armaturentechnologe GmbH & Co KG](https://appshunter.io/developer/1151157542) |

## What reviewers say

### EXU

[App page](https://appshunter.io/ios/app/exu/id1533079385)

**In-app purchases:** none


### SCHELL

[App page](https://appshunter.io/ios/app/schell/id6444608310)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EXU free?

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

### Is SCHELL free?

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

### Do EXU or SCHELL have ads?

Neither EXU nor SCHELL shows ads.

### Which is updated more often, EXU or SCHELL?

EXU ships an update every 22 months, and SCHELL every 3 weeks. Most recently, EXU was updated on November 7, 2026 and SCHELL on November 12, 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.*