# ComBackups vs Flash AC Design

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.

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.

## The numbers

| Metric | ComBackups | Flash AC Design |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/combackups/id1506232416/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 25 MB | 0 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Energy Technology and Control Limited](https://appshunter.io/developer/1506232205) | [乔 黄](https://appshunter.io/developer/1499744042) |

## What reviewers say

### ComBackups

[App page](https://appshunter.io/ios/app/combackups/id1506232416)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Flash AC Design

[App page](https://appshunter.io/ios/app/flash-ac-design/id1611995388)

**In-app purchases:** none


## Frequently asked questions

### Is ComBackups free?

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

### Is Flash AC Design free?

Flash AC Design is free to download, with no in-app purchases.

### Do ComBackups or Flash AC Design have ads?

Neither ComBackups nor Flash AC Design shows ads.

### Which is updated more often, ComBackups or Flash AC Design?

ComBackups ships an update every 11 months, and Flash AC Design every 10 months. Most recently, ComBackups was updated on September 8, 2026 and Flash AC Design on September 14, 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.*