# ATF Check vs Steinbach Control

The clearest difference is update cadence: ATF Check at every 5 weeks against Steinbach Control's every 14 months. ATF Check also leads on iOS requirement (9.0 vs 14.0). 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.

ATF Check ships an update every 5 weeks, Steinbach Control every 14 months. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ATF Check | Steinbach Control |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 14 months |
| Monetization | — | Free |
| Size | 44 MB | 185 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MAHLE Aftermarket Italy S.p.A.](https://appshunter.io/developer/1321815882) | [Guangdong Chico Electronic Inc.](https://appshunter.io/developer/1238601940) |

## What reviewers say

### ATF Check

[App page](https://appshunter.io/ios/app/atf-check-up/id1331490742)

**Features:** macOS Compatibility

**In-app purchases:** none


### Steinbach Control

[App page](https://appshunter.io/ios/app/steinbach-control/id6475620557)

Remotely manage your heat pump from your mobile device. Turn on heating in advance, schedule start times, and customize temperatures. Receive instant fault and status notifications.

**Highlights:** Remote internet connection, Mobile phone control, Remote heat pump activation, Customizable start time scheduling, Temperature customization, Fault and status reminders

**In-app purchases:** none


## Frequently asked questions

### Is ATF Check free?

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

### Is Steinbach Control free?

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

### Do ATF Check or Steinbach Control have ads?

Neither ATF Check nor Steinbach Control shows ads.

### Which is updated more often, ATF Check or Steinbach Control?

ATF Check ships an update every 5 weeks, and Steinbach Control every 14 months. Most recently, ATF Check was updated on October 9, 2026 and Steinbach Control on October 4, 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.*