ComBackups vs Flash AC Design
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ComBackups
Scan QR codes generated by an ETC combustion control system to retrieve backup commissioning data. The app stores and allows emailing of these backup files directly from your iPhone. Optionally, create spreadsheets of the data in your Google account.
- Scan QR codes for backup data
- Retrieve commissioning data files (CBU)
- Store and email backup files
- Create Google Sheets from data
- View backup files within the app
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The touch screen of an ETC combustion control system maintains a backup of the most recent commissioning data set. This can be displayed as a QR code by the system. This app allows the QR code to be scanned by an iphone and the backup file (CBU) to be retrieved. The CBU file is stored in the phone and can be viewed and emailed from within the app. Optionally, a spreadsheet can be created in the users Google account using 'Google Sheets'.
Flash AC Design
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Available for VRF series outdoor and indoor units One-stop VRF selection for residential andcommercial applications Easy to share selection report Multiple Language Options: Chinese, English,Spanish, Portuguese, French, Russian, Turkish
Screenshots
Verdict
The clearest difference is iOS requirement: Flash AC Design at 11.0 against ComBackups's 13.0. On price, update cadence, ads and in-app purchases 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.
ComBackups ships an update every 11 months, Flash AC Design every 10 months. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.
| Parameter | ComBackups | Flash AC Design |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months | Every 10 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Energy Technology and Control Limited | 乔 黄 |
In-app purchases
ComBackups
No in-app purchases
Flash AC Design
No in-app purchases
