# NAS Manager vs testo 330i App

The clearest difference is iOS requirement: NAS Manager at 8.0 against testo 330i App's 12. 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.

NAS Manager ships an update every 5 months, testo 330i App every 4 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | NAS Manager | testo 330i App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/testo-330i-app/id1007290554/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 29 MB | 52 MB |
| Requires iOS | **8.0** | 12 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wooi Kiang Cheah](https://appshunter.io/developer/826354682) | [Testo SE & Co. KGaA](https://appshunter.io/developer/966489178) |

## What reviewers say

### NAS Manager

[App page](https://appshunter.io/ios/app/nas-manager/id834204190)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is NAS Manager free?

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

### Is testo 330i App free?

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

### Do NAS Manager or testo 330i App have ads?

Neither NAS Manager nor testo 330i App shows ads.

### Which is updated more often, NAS Manager or testo 330i App?

NAS Manager ships an update every 5 months, and testo 330i App every 4 months. Most recently, NAS Manager was updated on October 26, 2026 and testo 330i App on October 20, 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.*