SpoolFlux vs 3D Print Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpoolFlux
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.
- 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
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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
3D Print Tracker
This app helps 3D printing enthusiasts accurately calculate material costs, optimize print settings, and manage project expenses. It provides precise breakdowns for filament usage, weight conversions, and profit margins for selling prints.
- Filament cost calculator
- Material weight conversions
- Profit margin tools
- Print cost optimization
- Fast and clean interface
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Take the guesswork out of your 3D printing projects! The 3D Printing Calculator is the ultimate mobile companion for makers, engineers, and hobbyists looking to track exact material usage, optimize print settings, and manage project costs with precision. Whether you run a single hobby printer or manage a full printing farm, this app helps you calculate exactly how much filament, time, and money every single slice will cost before you hit print. Stop wasting expensive materials and start pricing your prints accurately. KEY FEATURES: • Filament Cost Calculator: Enter your spool weight, price, and sliced filament usage to get instant, precise material cost breakdowns. • Material Weight Calculations: Easily convert lengths to weights for PLA, PETG, ABS, TPU, and more. • Smart Profit Margins: Selling your prints? Built-in markup tools help you add electricity, labor, and machine wear costs to ensure you always turn a profit. • Clean, Fast Interface: Built for quick inputs right next to your workspace, no complex setups required. Take control of your 3D printing workflows and maximize your slicing efficiency. Download 3D Printing Calculator today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: SpoolFlux at none against 3D Print Tracker's 2. SpoolFlux also leads on ratings volume (8 vs 1). 3D Print Tracker's advantage is iOS requirement (15.1 vs 18.6). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 3D Print Tracker sells 2 in-app purchases, starting at $1.99 per month. SpoolFlux asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for SpoolFlux against 5.0 for 3D Print Tracker. 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.
Both ship on a similar rhythm, roughly weekly. Both last shipped on October 5, 2026.
| Parameter | SpoolFlux | 3D Print Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | 1 |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 7 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Reimar Metzen | Howard Frischer |
Customer experience
SpoolFlux
3D Print Tracker
In-app purchases
SpoolFlux
No in-app purchases
3D Print Tracker
- Premium Pro Access$1.991 Month
- Premium Pro Access$9.991 Year
Questions
Is SpoolFlux free?
Is 3D Print Tracker free?
Which has better reviews, SpoolFlux or 3D Print Tracker?
Do SpoolFlux or 3D Print Tracker have ads?
Which is updated more often, SpoolFlux or 3D Print Tracker?
Other comparisons
