# ComBackups

> Scan ETC system QR codes to retrieve and manage backup commissioning data files. (iPhone/iPad app by Energy Technology and Control Limited.)

- Source: https://appshunter.io/ios/app/combackups/id1506232416 (this page in markdown: same URL + `.md`)
- Developer: [Energy Technology and Control Limited](https://appshunter.io/developer/1506232205)
- Category: Utilities, Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 25 MB
- Languages: American English
- Released: 2020-04-04
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/combackups/id1506232416/reviews.md

## What is ComBackups?

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'.

## Key features

- 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


## Frequently asked questions about ComBackups

### How does ComBackups retrieve backup data?

ComBackups scans QR codes generated by an ETC combustion control system. These QR codes contain the backup commissioning data set, which the app then retrieves and stores.

### What file formats does ComBackups handle?

The app retrieves backup files in the CBU format. These CBU files can be viewed and emailed directly from within the ComBackups application.

### Can I export my data from ComBackups?

Yes, ComBackups offers an option to create a spreadsheet of your data. This spreadsheet can be stored in your Google account using Google Sheets.

### What devices is ComBackups compatible with?

ComBackups is designed for iOS devices, including iPhone, iPad, and iPod. It requires iOS to function.

### How often is ComBackups updated?

The latest version of ComBackups is 1.0.7, last updated on January 5, 2026. Updates are provided by the developer, Energy Technology and Control Limited.

### What is the age rating for ComBackups?

ComBackups has an age rating of 4+. This indicates it is suitable for users of all ages.

### Does ComBackups have ads?

ComBackups is ad-free. It does not contain any advertisements, allowing for an uninterrupted user experience.

### What is the user feedback on ComBackups?

ComBackups has received a perfect rating of 5.0 stars from one user review, indicating a highly positive initial reception.

## Version history (last 5 releases)

### 1.0.7 — 2026-01-05

Option parameter text and visibility improvements.
Improve reliability of email sending xlsx file.

### 1.0.6 — 2024-08-20

Support receiving commission backups from 6300 series controls via Bluetooth App.
Minor updates and fixes to text descriptions.

### 1.0.5 — 2024-03-13

- Internal updates to support newer ios devices.
- Improvements to user interface layout.
- Allow editing and saving of the site / details.
- Allow list of files to be sorted by date or alphabetically.
- Option parameter descriptions added / updated.

### 1.0.3 — 2021-10-24

Allow sharing of CBU or XLSX file using the device 'share' function.
Fix possibility of CBU list getting truncated if non-cbu files in the directory.
Display option parameter info from water level / expansion units where this is included in the CBU file.
Ensure CBU files are ordered by modification date, most recent at top.

### 1.0.2 — 2020-06-16

- Fix devices other than servos not showing in option parameters and flow/02 values missing from profile tables.
 - Additionally attach xlsx to email (if internet connection available).

## Apps similar to ComBackups

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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## More apps by Energy Technology and Control Limited

- [NX6300 Connect](https://appshunter.io/ios/app/nx6300-connect/id6475874949)
- [ETC6300 Connect](https://appshunter.io/ios/app/etc6300-connect/id6476158347)

All apps by Energy Technology and Control Limited: https://appshunter.io/developer/1506232205

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*