# ROFROST vs Flue Gas Analysis

ROFROST and Flue Gas Analysis are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ROFROST ships an update every 5 weeks, Flue Gas Analysis every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ROFROST | Flue Gas Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 29 MB | 147 MB |
| Requires iOS | **11.4** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rothenberger Werkzeuge GmbH](https://appshunter.io/developer/757926945) | [Woehler Technik GmbH](https://appshunter.io/developer/959456679) |

## What reviewers say

### ROFROST

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

**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 ROFROST free?

ROFROST 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 ROFROST or Flue Gas Analysis have ads?

Neither ROFROST nor Flue Gas Analysis shows ads.

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

ROFROST ships an update every 5 weeks, and Flue Gas Analysis every 2 months. Most recently, ROFROST was updated on October 26, 2026 and Flue Gas Analysis on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*