# testo 330i App vs CoolCalc Scan

The clearest difference is review sentiment: testo 330i App at 38% against CoolCalc Scan's 0%. testo 330i App also leads on rating (3.0 vs 2.6) and monetization model (free vs ad-supported). CoolCalc Scan's advantage is update cadence (every 4 weeks vs every 4 months) and ratings volume (7 vs 2). 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.

testo 330i App holds the better App Store score, 3.0 against 2.6. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews point the same way: 38% of testo 330i App's written reviews are positive against 0% of CoolCalc Scan's.

testo 330i App ships an update every 4 months, CoolCalc Scan every 4 weeks. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | testo 330i App | CoolCalc Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/testo-330i-app/id1007290554/reviews)** | [2.6 (7 ratings)](https://appshunter.io/ios/app/coolcalc-scan/id6738354891/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | **37.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 52 MB | 11 MB |
| Requires iOS | **12** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Testo SE & Co. KGaA](https://appshunter.io/developer/966489178) | [Cool Calc Inc.](https://appshunter.io/developer/1878735367) |

## What reviewers say

### testo 330i App

[App page](https://appshunter.io/ios/app/testo-330i-app/id1007290554)

Control your testo 330i flue gas analyzer remotely from your smartphone or tablet. View live measurement values, create detailed PDF reports with photos and your logo, and send them directly from the field. Offers a graphical trend view and data export options.

**Highlights:** Complete analyzer control via smartphone/tablet, Intuitive touchscreen handling, Graphical trend view, PDF report creation, Export measurement values (CSV, ZIV), Insert photos and comments into reports, Bluetooth connectivity (20m range)

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

**In-app purchases:** none


### CoolCalc Scan

[App page](https://appshunter.io/ios/app/coolcalc-scan/id6738354891)

Capture precise 3D room scans using your device's LiDAR sensor. Organize projects, integrate with a web platform for advanced visualization, and export models in industry-standard formats. Ideal for professionals needing accurate spatial data.

**Highlights:** Precise LiDAR scanning, Detailed 3D model capture, Project organization, CoolCalc platform integration, Industry-standard export formats, Multi-room scanning

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

**In-app purchases:** none


## Frequently asked questions

### Is testo 330i App free?

testo 330i App is free to download, with no in-app purchases.

### Is CoolCalc Scan free?

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

### Which has better reviews, testo 330i App or CoolCalc Scan?

testo 330i App is rated higher. testo 330i App averages 3.0 out of 5 from 2 ratings, while CoolCalc Scan averages 2.6 from 7 ratings.

### Do testo 330i App or CoolCalc Scan have ads?

Neither testo 330i App nor CoolCalc Scan shows ads.

### Which is updated more often, testo 330i App or CoolCalc Scan?

testo 330i App ships an update every 4 months, and CoolCalc Scan every 4 weeks. Most recently, testo 330i App was updated on October 12, 2026 and CoolCalc Scan on October 1, 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.*