# OpenSpool vs SpoolFlux

The clearest difference is rating: SpoolFlux at 5.0 against OpenSpool's 4.0. SpoolFlux also leads on ratings volume (8 vs 1). OpenSpool's advantage is iOS requirement (15.1 vs 18.6). On price, review sentiment, 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.

SpoolFlux holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: SpoolFlux has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | OpenSpool | SpoolFlux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/openspool/id6740551901/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/spoolflux/id6757957454/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Free | Free |
| Size | 12 MB | 7 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Spencer Owen](https://appshunter.io/developer/1790569930) | [Reimar Metzen](https://appshunter.io/developer/1453724835) |

## What reviewers say

### OpenSpool

[App page](https://appshunter.io/ios/app/openspool/id6740551901)

This utility app functions as a universal RFID reader for 3D printers. It supports various RFID systems used for 3D printer filament, including OpenSpool, OpenTag, and Creality. More information on integration is available via a provided GitHub link.

**Highlights:** Universal RFID reader, Reads OpenSpool RFID systems, Reads OpenTag RFID systems, Reads Creality RFID systems, Supports other RFID systems, 3D printer filament tracking

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

**In-app purchases:** none


### SpoolFlux

[App page](https://appshunter.io/ios/app/spoolflux/id6757957454)

Manage NFC tags for 3D printer filament spools with support for various formats like OpenSpool and TigerTag. Features automatic color detection, temperature presets, and a comprehensive filament library. Integrates with the OpenFilament Database.

**Highlights:** Read/write multiple NFC tag formats, Automatic color detection via TD1 device, Customizable temperature presets, Extensive filament and material library, Support for multicolor filaments, Import from OpenFilament Database, Save, load, and export filament data

**In-app purchases:** none


## Frequently asked questions

### Is OpenSpool free?

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

### Is SpoolFlux free?

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

### Which has better reviews, OpenSpool or SpoolFlux?

SpoolFlux is rated higher. OpenSpool averages 4.0 out of 5 from 1 ratings, while SpoolFlux averages 5.0 from 8 ratings.

### Do OpenSpool or SpoolFlux have ads?

Neither OpenSpool nor SpoolFlux shows ads.

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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.*