# Spool Programmer vs SpoolFlux

The clearest difference is iOS requirement: Spool Programmer at 16.0 against SpoolFlux's 18.6. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Spool Programmer against 5.0 for SpoolFlux. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Spool Programmer ships an update every 5 days, SpoolFlux weekly. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Spool Programmer | SpoolFlux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/spool-programmer/id6753324939/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/spoolflux/id6757957454/reviews) |
| Number of ratings | 3 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free | Free |
| Size | 3 MB | 7 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Martin Bogomolni](https://appshunter.io/developer/1843504794) | [Reimar Metzen](https://appshunter.io/developer/1453724835) |

## What reviewers say

### Spool Programmer

[App page](https://appshunter.io/ios/app/spool-programmer/id6753324939)

This app allows users to program RFID tags for 3D printing filament spools. It supports various filament types and spool sizes, offering features like reading existing tags, checking memory, and custom color selection. All processing is done on-device for privacy and security.

**Highlights:** Write filament data to NTAG215/216 tags, 18 pre-configured filament profiles, Read and verify existing tags, Check tag status and memory, Format tags for programming, Custom color selection, Support for various spool sizes

**Features:** macOS Compatibility

**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 Spool Programmer free?

Spool Programmer 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, Spool Programmer or SpoolFlux?

Spool Programmer and SpoolFlux are both rated 5.0 out of 5 on the App Store, from 3 and 8 ratings respectively.

### Do Spool Programmer or SpoolFlux have ads?

Neither Spool Programmer nor SpoolFlux shows ads.

### Which is updated more often, Spool Programmer or SpoolFlux?

Spool Programmer ships an update every 5 days, and SpoolFlux weekly. Most recently, Spool Programmer was updated on September 18, 2026 and SpoolFlux 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.*