# ESBE vs KEMPER HS2

The clearest difference is review sentiment: KEMPER HS2 at 100% against ESBE's 83%. KEMPER HS2 also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ESBE ships an update every 5 months, KEMPER HS2 every 4 months. The most recent releases landed on September 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ESBE | KEMPER HS2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 5 MB | 29 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ESBE AB](https://appshunter.io/developer/1287612322) | [Gebr. Kemper GmbH + Co. KG](https://appshunter.io/developer/971204756) |

## What reviewers say

### ESBE

[App page](https://appshunter.io/ios/app/esbe/id554443104)

This app helps plumbers, installers, and planners select the correct ESBE valve and determine the appropriate Kvs value. It provides technical details on valve series and offers contact information for the company.

**Highlights:** ESBE valve selection tool, Kvs value calculation, Technical information on valve series, Company contact details

**Features:** macOS Compatibility

**In-app purchases:** none


### 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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ESBE free?

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

### Is KEMPER HS2 free?

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

### Do ESBE or KEMPER HS2 have ads?

Neither ESBE nor KEMPER HS2 shows ads.

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

ESBE ships an update every 5 months, and KEMPER HS2 every 4 months. Most recently, ESBE was updated on September 10, 2026 and KEMPER HS2 on October 15, 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.*