# ComBackups vs TagWriter4CFS Mobile

The clearest difference is in-app purchases: ComBackups at none against TagWriter4CFS Mobile's 1. ComBackups also leads on iOS requirement (13.0 vs 17.0). TagWriter4CFS Mobile's advantage is update cadence (every 3 days vs every 11 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. TagWriter4CFS Mobile sells 1 one-off in-app purchase. ComBackups asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ComBackups against 5.0 for TagWriter4CFS Mobile. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ComBackups ships an update every 11 months, TagWriter4CFS Mobile every 3 days. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ComBackups | TagWriter4CFS Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/combackups/id1506232416/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/tagwriter4cfs-mobile/id6763516754/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 25 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Energy Technology and Control Limited](https://appshunter.io/developer/1506232205) | [rob coops](https://appshunter.io/developer/1843582359) |

## 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


### TagWriter4CFS Mobile

[App page](https://appshunter.io/ios/app/tagwriter4cfs-mobile/id6763516754)

This utility app streamlines filament tag creation for 3D printing. It connects to your printer to fetch live spool data, allowing you to quickly generate accurate tags with material, color, and spool status information. Reduce manual entry and keep your filament organized with this reliable tool.

**Highlights:** Create consistent filament tags, Fetch live CFS slot data, Review material, color, and spool status, Write tags in a few taps, Reduce manual entry, Organize filament setup

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Write Access. | $3.99 | one-time |


## Frequently asked questions

### Is ComBackups free?

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

### Is TagWriter4CFS Mobile free?

TagWriter4CFS Mobile is free to download, with in-app purchases available.

### Which has better reviews, ComBackups or TagWriter4CFS Mobile?

ComBackups and TagWriter4CFS Mobile are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do ComBackups or TagWriter4CFS Mobile have ads?

Neither ComBackups nor TagWriter4CFS Mobile shows ads.

### Which is updated more often, ComBackups or TagWriter4CFS Mobile?

ComBackups ships an update every 11 months, and TagWriter4CFS Mobile every 3 days. Most recently, ComBackups was updated on September 8, 2026 and TagWriter4CFS Mobile on September 9, 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.*