# ESBE vs ROFROST

The clearest difference is update cadence: ROFROST at every 5 weeks against ESBE's every 5 months. ROFROST also leads on iOS requirement (11.4 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, ROFROST every 5 weeks. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ESBE | ROFROST |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 29 MB |
| Requires iOS | 17.0 | **11.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ESBE AB](https://appshunter.io/developer/1287612322) | [Rothenberger Werkzeuge GmbH](https://appshunter.io/developer/757926945) |

## 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


### ROFROST

[App page](https://appshunter.io/ios/app/rofrost/id1436971379)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESBE free?

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

### Is ROFROST free?

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

### Do ESBE or ROFROST have ads?

Neither ESBE nor ROFROST shows ads.

### Which is updated more often, ESBE or ROFROST?

ESBE ships an update every 5 months, and ROFROST every 5 weeks. Most recently, ESBE was updated on September 10, 2026 and ROFROST on September 17, 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.*