SpoolFlux vs 3D Print Assistant
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 Assistant
Generate optimized 3D printing slicer profiles for your specific printer and filament in under a minute. Offers simple and advanced modes with clear explanations for each setting. Export profiles directly to compatible slicers or get text-based settings.
- Optimized slicer profile generation
- Printer and filament compatibility
- Direct profile export to slicers
- Simple and Advanced modes
- Pre-print checklist
- Offline functionality
- Workshop profile saving
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Better print settings start with the right details. Choose your printer, nozzle, filament and print goal. 3D Print Assistant builds a practical starting profile for your slicer, with settings you can review and adjust. YOUR SETUP, READY TO GO Save printers, nozzles and materials in My Gear. Pick a setup next time and skip the details you already know. A CLEARER WAY TO CHOOSE MATERIALS Browse filament by category, compare popular choices and see useful details before you select a material. Inventory adds a searchable catalog of 2,089 filament products from 151 brands across 38 material types. KEEP FILAMENT IN VIEW Track spools in Inventory, including colour, weight and status. With Pro and a 3DPA account, Inventory can sync across iPhone, iPad and the web app through 3DPA's account service. GET HELP WITH THE NEXT STEP AI Expert can help explain settings, compare options and troubleshoot a print. It requires an internet connection and a 3DPA account. Also included: saved print profiles, slicer-ready exports where supported, and a pre-print checklist. Core printing tools remain available offline after installation; AI Expert and account sync need an internet connection. Available in English, Danish, German and Russian.
Screenshots
Verdict
The clearest difference is in-app purchases: SpoolFlux at none against 3D Print Assistant's 5. SpoolFlux also leads on update cadence (weekly vs fortnightly) and ratings volume (8 vs 1). On price, rating, review sentiment 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 Assistant sells 5 one-off in-app purchases. 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 Assistant. 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.
SpoolFlux ships an update weekly, 3D Print Assistant fortnightly. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.
| Parameter | SpoolFlux | 3D Print Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 8 — better | 1 |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Reimar Metzen | Mustafa Ozturk |
Customer experience
SpoolFlux
3D Print Assistant
In-app purchases
SpoolFlux
No in-app purchases
3D Print Assistant
- Small Tip$1.99
- 100 AI Expert Credits$2.99
- Nice Tip$4.99
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- Filament Spool Tip$9.99
- 3DPA Pro$19.99
Questions
Is SpoolFlux free?
Is 3D Print Assistant free?
Which has better reviews, SpoolFlux or 3D Print Assistant?
Do SpoolFlux or 3D Print Assistant have ads?
Which is updated more often, SpoolFlux or 3D Print Assistant?
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