# FlowCheck vs SCHMIDT® Sensor App

The clearest difference is update cadence: SCHMIDT® Sensor App at every 3 weeks against FlowCheck's every 15 months. FlowCheck's advantage is iOS requirement (16.0 vs 26.0). 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.

FlowCheck ships an update every 15 months, SCHMIDT® Sensor App every 3 weeks. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | FlowCheck | SCHMIDT® Sensor App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Size | 15 MB | 27 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TROX GmbH](https://appshunter.io/developer/968659913) | [Hahn-Schickard-Gesellschaft für angewandte Forschung e.V.](https://appshunter.io/developer/1686895358) |

## What reviewers say

### FlowCheck

[App page](https://appshunter.io/ios/app/flowcheck/id1501706128)

**Features:** Apple Wallet

**In-app purchases:** none


### SCHMIDT® Sensor App

[App page](https://appshunter.io/ios/app/schmidt-sensor-app/id6751941102)

**In-app purchases:** none


## Frequently asked questions

### Is FlowCheck free?

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

### Is SCHMIDT® Sensor App free?

SCHMIDT® Sensor App is free to download, with no in-app purchases.

### Do FlowCheck or SCHMIDT® Sensor App have ads?

Neither FlowCheck nor SCHMIDT® Sensor App shows ads.

### Which is updated more often, FlowCheck or SCHMIDT® Sensor App?

FlowCheck ships an update every 15 months, and SCHMIDT® Sensor App every 3 weeks. Most recently, FlowCheck was updated on September 9, 2026 and SCHMIDT® Sensor App on September 24, 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.*