# ELRO Intercom vs Flue Gas Analysis

The clearest difference is review sentiment: Flue Gas Analysis at 100% against ELRO Intercom's 13%. ELRO Intercom's advantage is iOS requirement (10.0 vs 12.2). 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.

ELRO Intercom ships an update every 6 weeks, Flue Gas Analysis every 2 months. The most recent releases landed on October 5, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ELRO Intercom | Flue Gas Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/elro-intercom/id1330906067/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 13.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 34 MB | 147 MB |
| Requires iOS | **10.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELRO Europe](https://appshunter.io/developer/1319014095) | [Woehler Technik GmbH](https://appshunter.io/developer/959456679) |

## What reviewers say

### ELRO Intercom

[App page](https://appshunter.io/ios/app/elro-intercom/id1330906067)

Monitor your home remotely with live HD video and two-way audio. Receive instant alerts for doorbell presses or motion detection, and communicate with visitors from your iPhone or iPad. Features include night vision and video playback from an SD card.

**Highlights:** Live HD video streaming, Two-way audio communication, Motion detection alerts, Night vision capabilities, Remote unlock function, SD card video playback

**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 ELRO Intercom free?

ELRO Intercom 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 ELRO Intercom or Flue Gas Analysis have ads?

Neither ELRO Intercom nor Flue Gas Analysis shows ads.

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

ELRO Intercom ships an update every 6 weeks, and Flue Gas Analysis every 2 months. Most recently, ELRO Intercom was updated on October 5, 2026 and Flue Gas Analysis on September 22, 2026.

---

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