# ESBE vs Flue Gas Analysis

The clearest difference is review sentiment: Flue Gas Analysis at 100% against ESBE's 83%. Flue Gas Analysis also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (12.2 vs 17.0). On price, ads, in-app purchases and monetization model 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, Flue Gas Analysis every 2 months. The most recent releases landed on September 10, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | ESBE | Flue Gas Analysis |
| --- | --- | --- |
| 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 2 months** |
| Monetization | Free | Free |
| Size | 5 MB | 147 MB |
| Requires iOS | 17.0 | **12.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ESBE AB](https://appshunter.io/developer/1287612322) | [Woehler Technik GmbH](https://appshunter.io/developer/959456679) |

## 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


### Flue Gas Analysis

[App page](https://appshunter.io/ios/app/flue-gas-analysis/id1666473195)

View and export flue gas analysis data from Wöhler Analyzers on your mobile device. Configure graphical displays and save measurements in various formats like PDF, CSV, and XML.

**Highlights:** Graphical and numerical display of measured values, Configuration of graphical display, Save measured values as PDF, CSV, XML, JPG, Configuration of PDF file, Export data from Wöhler Analyzers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESBE free?

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

### Is Flue Gas Analysis free?

Flue Gas Analysis is free to download, with no in-app purchases.

### Do ESBE or Flue Gas Analysis have ads?

Neither ESBE nor Flue Gas Analysis shows ads.

### Which is updated more often, ESBE or Flue Gas Analysis?

ESBE ships an update every 5 months, and Flue Gas Analysis every 2 months. Most recently, ESBE was updated on September 10, 2026 and Flue Gas Analysis on June 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.*