SpoolFlux vs SpoolTags

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

Never lose track of your 3D printer filament again. SpoolTags helps you organize, track, and manage all your filament spools with QR codes and NFC tags. SMART ORGANIZATION • Automatically group spools by manufacturer, material, variant, and color • Track starting weight, current weight, and empty spool weight • Get low-stock alerts when filament is running low • Archive finished spools to keep your library clean EASY IDENTIFICATION • Generate printable QR code label sheets (A4 format) • Scan QR codes to instantly find or create spool records • Support for NFC tags as backup identifiers (iOS) • Human-readable slugs like "brisk-wolf-0427" for quick reference SYNC EVERYWHERE • iCloud sync keeps your spool library updated across all devices • Works on iPhone, iPad, and Mac • Export to CSV for spreadsheet analysis PRINT-READY LABELS • Generate professional label sheets with QR codes • Multiple labels per spool (for spool sides, AMS cards, and spares) • A4 template optimized for standard label paper FREE TO START • Track up to 10 active spools for free • Archived spools don't count toward your limit • One-time purchase to unlock unlimited spools Perfect for makers, hobbyists, and anyone with a growing filament collection. Stop guessing what's on your spools and start tracking with SpoolTags.