# InterFast vs airCloud Alarm Code

The clearest difference is update cadence: InterFast at every 2 weeks against airCloud Alarm Code's every 27 months. airCloud Alarm Code's advantage is iOS requirement (13.0 vs 15). 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.

InterFast ships an update every 2 weeks, airCloud Alarm Code every 27 months. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | InterFast | airCloud Alarm Code |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 27 months |
| Monetization | Free | — |
| Size | 61 MB | 7 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Interfast](https://appshunter.io/developer/1536410981) | [Bosch Thermotechnik GmbH](https://appshunter.io/developer/456233209) |

## What reviewers say

### InterFast

[App page](https://appshunter.io/ios/app/interfast/id1536410979)

This all-in-one construction app simplifies business management with tools for quotes, invoices, and client portals. It offers features for project planning, site management, and financial tracking, including bank connections.

**Highlights:** Quotes, Invoices, Credit Notes, Price Library, Treasury & Bank Connection, Scheduling, Site & Intervention Management, Client Management & Portal

**Features:** 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 InterFast free?

InterFast 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 InterFast or airCloud Alarm Code have ads?

Neither InterFast nor airCloud Alarm Code shows ads.

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

InterFast ships an update every 2 weeks, and airCloud Alarm Code every 27 months. Most recently, InterFast was updated on September 16, 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.*