testo 330i App vs Appion Central
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
testo 330i App
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.
- 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)
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Install our free App on your smartphone / tablet for operating the new testo 330i right where you happen to be. So, the measurement values are always in sight during adjustment of the system. The report, with customer name, photos and your logo, can be sent to your office or directly to the customer as a simple and fast documentation, right after the measurement - Complete control of the analyzer testo 330i via Smartphone and tablet - Easy and intuitive handling on the touchscreen - Graphical trend view to check changes over time - Creation of PDF reports or export of measurement values in csv (Excel) or ZIV format - Report sent as an e-mail straight from the measuring location - Insert photos of the measurement site and comments into the documentation - Range of approx. 20 m without obstruction via Bluetooth (This app can be used with the testo 330i flue gas analyzer only)
Appion Central
Manage your HVAC tools and connect to the web portal. This app provides a mobile interface for your Appion products.
- Manage Appion products
- Interface with Appion Portal
- Mobile tool management
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Appion Central is designed to allow users to manage their Appion products as well as provide an interface with the Appion Portal web service.
Screenshots
Verdict
The clearest difference is update cadence: Appion Central at every 5 weeks against testo 330i App's every 4 months. Appion Central also leads on ratings volume (14 vs 2). testo 330i App's advantage is rating (3.0 vs 2.8) and review sentiment (38% vs 29%). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 2.8. That said, the two scores are not equally well evidenced: Appion Central has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 38% of testo 330i App's written reviews are positive against 29% of Appion Central's.
testo 330i App ships an update every 4 months, Appion Central every 5 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.
| Parameter | testo 330i App | Appion Central |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | 2.8 (14 ratings) |
| Positive reviews | 37.5% of reviews — better | 28.6% of reviews |
| Number of ratings | 2 | 14 — better |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12 — better | 13.0 |
| Further details — not scored | ||
| Size | 52 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Testo SE & Co. KGaA | Appion Inc. |
Customer experience
testo 330i App
Appion Central
In-app purchases
testo 330i App
No in-app purchases
Appion Central
No in-app purchases
Questions
Is testo 330i App free?
Is Appion Central free?
Which has better reviews, testo 330i App or Appion Central?
Do testo 330i App or Appion Central have ads?
Which is updated more often, testo 330i App or Appion Central?
Other comparisons
