SpoolFlux
Reimar Metzen Utilities iPhoneiPadiPod touch
SpoolFlux is a free Utilities app for iPhone and iPad by Reimar Metzen. Rated 5.0/5 from 8 ratings. Requires iOS 18.6. Updated September 9, 2026.
- Rating
- 5.0
- 8 ratings
- Price
- Free
- on the App Store
- Size
- 7 MB
- Age 4+
- Updated
- Sep 9
- 2026 · v2.1.1
Screenshots
About SpoolFlux
iOS app for reading and writing NFC tags on 3D printer filament spools. Supports OpenSpool, OpenPrintTag, ACE Pro, and TigerTag. Features: - Multiple NFC formats: read and write OpenSpool (ISO 14443), OpenPrintTag (ISO 15693/SLIX2), ACE Pro, TigerTag, and OpenTag3D - TD1 filament scanner: automatic color detection via USB-MIDI (connect the TD1 device using a Lightning/USB-C adapter) - Extruder temperature range (150–420 °C, 5 °C steps) with Min/Max slider - Heated bed temperature range (0–160 °C, optional) - Temperature presets per material - 24 predefined colors, add your own - Multicolor filaments: create multiple colors per filament (e.g., for multicolor spools) - 42 materials (PLA, PETG, ABS, TPU, PEEK, and more), add your own - 21 material variants (Matte, Silk, Rainbow, Glow, Carbon, and more), add your own - 42 predefined filament brands, add your own brands - Optional filament properties: weight (250 g–10 kg), diameter (1.75 / 2.85 mm), Spoolman-compatible spool ID - Filament library: save, load, search filaments, and export/import as a .sftemplate file - OpenFilament Database (OFDB): import filament data from the community database - JSON preview with syntax highlighting
Ratings & reviews
5.0
8 ratings
What’s new
Version 2.1.1 · Updated September 9, 2026
- Added support for OpenTag3D (V2). - Added the ability to search for filament colors by hex code in the filament list. - Improved TD1 handling with direct access to search in the new filament list.
App privacy
The developer, Reimar Metzen, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to SpoolFlux
Looking for apps like SpoolFlux? Here are 6 similar apps on the App Store. The highest rated is Spool Programmer (5.0/5), and 5 of the 6 are free to download.
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Spool Programmer
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SpoolSense - NFC Filament Tags
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Tag My Spool – NFC Filament
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TigerTag RFID Connect
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Spoolman GO
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PaxxMaker
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| SpoolFlux | 5.0 / 5 (8 ratings) | Free | September 9, 2026 | |
| Spool Programmer | 5.0 / 5 (5) | Free | Oct 8, 2025 | Compare |
| SpoolSense - NFC Filament Tags | 5.0 / 5 (2) | Free | Oct 21, 2026 | Compare |
| Tag My Spool – NFC Filament | 4.8 / 5 (36) | 7.99 USD | Oct 5, 2026 | Compare |
| TigerTag RFID Connect | 1.6 / 5 (7) | Free | Nov 17, 2025 | Compare |
| Spoolman GO | – | Free | Oct 13, 2026 | Compare |
| PaxxMaker | 5.0 / 5 (3) | Free | Oct 7, 2026 | Compare |
Compare SpoolFlux with the top alternatives: ratings, updates, ASO score and keyword gaps →