Spool Master vs SpoolStack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spool Master
Manage your 3D printing filament stock with NFC tag reading/writing, inventory tracking, and smart shopping lists. Optimize expenses and reduce waste for hobbyists and professionals.
- NFC reading and writing for spool tags
- Complete inventory management
- Detailed statistics and value tracking
- Automatic low stock alerts
- Smart shopping list generation
- Print settings configuration
- Multi-device synchronization
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Spool Master - The complete app to manage your 3D printing filament stock MAIN FEATURES NFC Reading and Writing • Read NFC chips from Anycubic, Bambu Lab, Prusa and Creality spools • Write your own custom NFC tags • Clone NFC tags for reuse • Compatible with all NFC tag formats Complete Inventory Management • Add spools by NFC scan or manually • Track remaining weight of each spool • Manage prices and calculate total value • Organize by brand, material and color • Automatic low stock alerts Detailed Statistics • Overview of your inventory • Total value of your stock • Number of materials, colors and brands • Automatic shopping list Smart Shopping List • Automatic addition of low stock spools • Mark ordered filaments • Add manually or by NFC scan Advanced Color Picker • Full palette with RGB sliders • Opacity support • Real-time preview Print Settings • Extruder temperatures (min/max) • Bed temperatures (min/max) • Filament diameter • Spool length COMPATIBILITY • Anycubic: Full reading and writing • Bambu Lab: RFID tag reading and writing • Prusa: OpenPrintTag reading and writing (NFC-V) • Creality CFS: Tag reading and writing • Generic NFC tags: Custom writing • Support for 22 filament brands • Support for 25 material types (PLA, PETG, ABS, TPU, etc.) MULTILINGUAL App available in 40 languages SYNCHRONIZATION • Multi-device synchronization • Offline mode available UNITS AND CURRENCIES • Multiple currency support • Metric or imperial units • Automatic conversion MODERN INTERFACE • Dark and light mode • Sleek design • Intuitive navigation • Visual statistics SECURITY AND PRIVACY • Your data remains private • Secure local storage PREMIUM VERSION AVAILABLE • Cloud synchronization • Ad-free • Priority support Whether you're a hobby maker or a professional 3D printer, Spool Master helps you optimize your filament management, reduce waste and control your expenses. Download now and take control of your filament inventory! https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SpoolStack
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Never run out of filament mid-print again. SpoolStack is the ultimate inventory manager for 3D printing enthusiasts. Whether you have five spools or five hundred, SpoolStack removes the guesswork from your workshop so you can focus on creating, not stocktaking. EFFORTLESS INVENTORY MANAGEMENT Quick Add — add new spools in seconds with brand and type presets Visual Swatches — colour-coded swatches and Favourites for your go-to materials Smart Thresholds — custom Red and Amber alerts so you know exactly when to reorder On Order Tracking — mark spools as on order with a smart reminder to confirm your order was placed Settings & Support — rate the app, restore purchases, and get in touch directly from within the app SYNCS ACROSS ALL YOUR DEVICES — FREE Your inventory stays up to date everywhere. Add a spool on your iPhone, see it instantly on your iPad or any other iCloud-connected device. Cloud sync is included for every SpoolStack user, no subscription required. REORDER IN SECONDS Auto-Link — SpoolStack automatically matches your filament to reorder links One-Tap Shopping — buy the exact brand and colour you need without searching order histories Broad Support — optimised for Elegoo, Bambu Lab, eSUN, Polymaker, Sunlu, and more GO HANDS-FREE WITH PRO NFC Tagging — tap your phone to an NFC-tagged spool to subtract stock instantly QR Workflow — generate custom labels and scan to update inventory in a flash Unlimited Inventory — remove the 15-spool limit and track your entire collection TAKE CONTROL OF YOUR FILAMENT SpoolStack is free to use for up to 15 spools with cloud sync included. Join the pro makers using SpoolStack Pro to streamline their workflow with unlimited spools and hardware tagging. Privacy Policy: http://bit.ly/3PcUgFE Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: SpoolStack at none against Spool Master's shown. Spool Master's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support 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. Spool Master sells 2 in-app purchases, starting at $1.99 per month and SpoolStack sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Spool Master ships an update every 4 days, SpoolStack every 2 days. The most recent releases landed on October 1, 2026 and September 26, 2026 respectively.
| Parameter | Spool Master | SpoolStack |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 days | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 39 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Sebastien Girod | Matthew Howell |
In-app purchases
Spool Master
- Spool Master Monthly$1.991 Month
- Spool Master Yearly$9.991 Year
SpoolStack
- SpoolStack Pro Monthly$4.991 Month
- SpoolStack Pro Yearly$49.991 Year









