# ExtraDoc vs airCloud Alarm Code

The clearest difference is update cadence: ExtraDoc at every 5 weeks against airCloud Alarm Code's every 27 months. airCloud Alarm Code's advantage is 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.

ExtraDoc ships an update every 5 weeks, airCloud Alarm Code every 27 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ExtraDoc | airCloud Alarm Code |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 27 months |
| Size | 14 MB | 7 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QSC](https://appshunter.io/developer/1291352938) | [Bosch Thermotechnik GmbH](https://appshunter.io/developer/456233209) |

## What reviewers say

### ExtraDoc

[App page](https://appshunter.io/ios/app/extradoc/id1481349309)

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

**In-app purchases:** none


### airCloud Alarm Code

[App page](https://appshunter.io/ios/app/aircloud-alarm-code/id6474610687)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ExtraDoc free?

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

### Is airCloud Alarm Code free?

airCloud Alarm Code is free to download, with no in-app purchases.

### Do ExtraDoc or airCloud Alarm Code have ads?

Neither ExtraDoc nor airCloud Alarm Code shows ads.

### Which is updated more often, ExtraDoc or airCloud Alarm Code?

ExtraDoc ships an update every 5 weeks, and airCloud Alarm Code every 27 months. Most recently, ExtraDoc was updated on September 10, 2026 and airCloud Alarm Code on September 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.*