# KEMPER HS2 vs FlowCheck

The clearest difference is update cadence: KEMPER HS2 at every 4 months against FlowCheck's every 15 months. KEMPER HS2 also leads on iOS requirement (12.0 vs 16.0). 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.

KEMPER HS2 ships an update every 4 months, FlowCheck every 15 months. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | KEMPER HS2 | FlowCheck |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 15 months |
| Monetization | Free | — |
| Size | 35 MB | 15 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gebr. Kemper GmbH + Co. KG](https://appshunter.io/developer/971204756) | [TROX GmbH](https://appshunter.io/developer/968659913) |

## What reviewers say

### KEMPER HS2

[App page](https://appshunter.io/ios/app/kemper-hs2-app/id971204757)

Configure and manage your KHS-HS2 Hygiene-Flushing Box. View settings, read flushing logs, and easily update firmware for your device.

**Highlights:** Configure Hygiene-Flushing Box, Display adjustment values, Read flushing logs, Transmit firmware updates, Manage KHS-HS2 settings

**Features:** macOS Compatibility

**In-app purchases:** none


### FlowCheck

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

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is KEMPER HS2 free?

KEMPER HS2 is free to download, with no in-app purchases.

### Is FlowCheck free?

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

### Do KEMPER HS2 or FlowCheck have ads?

Neither KEMPER HS2 nor FlowCheck shows ads.

### Which is updated more often, KEMPER HS2 or FlowCheck?

KEMPER HS2 ships an update every 4 months, and FlowCheck every 15 months. Most recently, KEMPER HS2 was updated on September 11, 2026 and FlowCheck on September 9, 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.*