Comparison

SpoolFlux vs 3D Print Assistant

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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

SpoolFlux4 screens
3D Print Assistant4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 3D Print Assistant sells 5 one-off in-app purchases. SpoolFlux asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

SpoolFlux ships an update weekly, 3D Print Assistant fortnightly. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
SpoolFlux versus 3D Print Assistant: the parameters behind the verdict, then further details
ParameterSpoolFlux3D Print Assistant
PriceFreeFree
Rating5.0 (8 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings8 — better1
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS18.617.0 — better
Further details — not scored
Size7 MB22 MB
Age rating4+4+
DeveloperReimar MetzenMustafa Ozturk

Customer experience

SpoolFlux

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

3D Print Assistant

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SpoolFlux

No in-app purchases

5 purchases

3D Print Assistant

One-time5
  • Small Tip$1.99
  • 100 AI Expert Credits$2.99
  • Nice Tip$4.99
Show 2 more
  • Filament Spool Tip$9.99
  • 3DPA Pro$19.99

Questions

Is SpoolFlux free?
SpoolFlux is free to download, with no in-app purchases.
Is 3D Print Assistant free?
3D Print Assistant is free to download, with in-app purchases available.
Which has better reviews, SpoolFlux or 3D Print Assistant?
SpoolFlux and 3D Print Assistant are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.
Do SpoolFlux or 3D Print Assistant have ads?
Neither SpoolFlux nor 3D Print Assistant shows ads.
Which is updated more often, SpoolFlux or 3D Print Assistant?
SpoolFlux ships an update weekly, and 3D Print Assistant fortnightly. Most recently, SpoolFlux was updated on October 5, 2026 and 3D Print Assistant on October 16, 2026.

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