# ESBE vs CLAGE Smart

The clearest difference is update cadence: CLAGE Smart at every 3 months against ESBE's every 5 months. CLAGE Smart also leads on iOS requirement (11.0 vs 17.0). 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.

ESBE ships an update every 5 months, CLAGE Smart every 3 months. Both last shipped on September 10, 2026.

## The numbers

| Metric | ESBE | CLAGE Smart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 5 MB | 17 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ESBE AB](https://appshunter.io/developer/1287612322) | [CLAGE GmbH](https://appshunter.io/developer/421372793) |

## 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


### CLAGE Smart

[App page](https://appshunter.io/ios/app/clage-smart-control/id1212749880)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESBE free?

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

### Is CLAGE Smart free?

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

### Do ESBE or CLAGE Smart have ads?

Neither ESBE nor CLAGE Smart shows ads.

### Which is updated more often, ESBE or CLAGE Smart?

ESBE ships an update every 5 months, and CLAGE Smart every 3 months. Most recently, ESBE was updated on September 10, 2026 and CLAGE Smart on September 10, 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.*