# testo Combustion App vs Seitron Smart Analysis

The clearest difference is rating: Seitron Smart Analysis at 5.0 against testo Combustion App's 1.4. Seitron Smart Analysis also leads on update cadence (weekly vs every 7 months). testo Combustion App's advantage is review sentiment (13% vs 0%) and ratings volume (10 vs 1). 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.

Seitron Smart Analysis holds the better App Store score, 5.0 against 1.4. That said, the two scores are not equally well evidenced: testo Combustion App has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 13% of testo Combustion App's written reviews are positive against 0% of Seitron Smart Analysis's, so the app with the better star average is not the one people write more warmly about.

testo Combustion App ships an update every 7 months, Seitron Smart Analysis weekly. The most recent releases landed on September 20, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | testo Combustion App | Seitron Smart Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (10 ratings)](https://appshunter.io/ios/app/testo-combustion-app/id992414788/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/seitron-smart-analysis/id1449017796/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | **12.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free | Free |
| Size | 62 MB | 70 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Testo SE & Co. KGaA](https://appshunter.io/developer/966489178) | [Seitron Spa](https://appshunter.io/developer/1222487753) |

## What reviewers say

### testo Combustion App

[App page](https://appshunter.io/ios/app/testo-combustion-app/id992414788)

Control your testo 330 flue gas analyzer remotely from your smartphone or tablet. Create and send professional PDF reports with photos and your logo directly from the field, ensuring fast and efficient documentation.

**Highlights:** Remote start/stop of measuring instrument, Intuitive touchscreen menu, Graphical trend view, PDF report creation, Export measurement values to CSV, Customizable reports with logo, Bluetooth connectivity (20m range)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Seitron Smart Analysis

[App page](https://appshunter.io/ios/app/seitron-smart-analysis/id1449017796)

Connect to your combustion analyzer via Bluetooth to view live data, start analyses, and generate reports in various formats. Store and print your findings directly from your smartphone or tablet.

**Highlights:** Bluetooth connectivity, Live analysis data display, Start analysis remotely, Generate CSV, PDF, XML reports, Store analysis data, Print analysis reports

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is testo Combustion App free?

testo Combustion App is free to download, with no in-app purchases.

### Is Seitron Smart Analysis free?

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

### Which has better reviews, testo Combustion App or Seitron Smart Analysis?

Seitron Smart Analysis is rated higher. testo Combustion App averages 1.4 out of 5 from 10 ratings, while Seitron Smart Analysis averages 5.0 from 1 ratings.

### Do testo Combustion App or Seitron Smart Analysis have ads?

Neither testo Combustion App nor Seitron Smart Analysis shows ads.

### Which is updated more often, testo Combustion App or Seitron Smart Analysis?

testo Combustion App ships an update every 7 months, and Seitron Smart Analysis weekly. Most recently, testo Combustion App was updated on September 20, 2026 and Seitron Smart Analysis on June 5, 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.*