Comparison

SpoolKeep vs Spool Master

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

Head to head
About

SpoolKeep

Features
Read full description

Simple 3D Printing Filament Spools Management Forget complex spreadsheets and bloated apps! SpoolKeep focuses on what matters to efficiently manage your filament collection. ALSO AVAILABLE ON MAC: • Same Apple ID? Your data syncs automatically via iCloud • Premium already purchased on iPhone? It works on Mac too — no need to buy it twice! • Seamless experience across all your Apple devices FREE VERSION - LIMITED TO 10 SPOOLS: • Perfect for getting started • All features included • Upgrade anytime to unlock unlimited spools PREMIUM UPGRADE - ONE-TIME PURCHASE: • Unlock unlimited spools (no recurring fees) • Single purchase, lifetime access • Shared across your iPhone and Mac • Perfect for serious 3D printing enthusiasts SIMPLE AND EFFECTIVE: • Clean, intuitive interface • Instant familiarity • No unnecessary features • Everything you actually need, nothing more THE ESSENTIALS, WELL DESIGNED: • Catalog your spools (PLA, PETG, ABS, TPU...) • Track your inventory in just a few taps • Find your filaments quickly • Add photos for instant identification • Easily spot started spools PRACTICAL AND FLEXIBLE: • Smart suggestions to avoid repetitive typing • Simple sorting by family, brand, type, or custom • Quick search • Data export/import and report

About

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.

Highlights
  • 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
Features
Read full description

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/

Screenshots

SpoolKeep4 screens
Spool Master4 screens

Verdict

The call

The clearest difference is ads: SpoolKeep at none against Spool Master's shown. Spool Master's advantage is update cadence (every 4 days vs every 2 months) and iOS requirement (15.0 vs 17). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SpoolKeep sells 1 one-off in-app purchase and Spool Master sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SpoolKeep ships an update every 2 months, Spool Master every 4 days. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 6 level
SpoolKeep versus Spool Master: the parameters behind the verdict, then further details
ParameterSpoolKeepSpool Master
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS1715.0 — better
Further details — not scored
Size3 MB39 MB
Age rating4+4+
DeveloperClaude-Alain MullerSebastien Girod

In-app purchases

1 purchases

SpoolKeep

One-time1
  • SpoolKeep Premium$1.99
2 purchases

Spool Master

Subscriptions2
  • Spool Master Monthly$1.991 Month
  • Spool Master Yearly$9.991 Year

Questions

Is SpoolKeep free?
SpoolKeep is free to download, with in-app purchases available.
Is Spool Master free?
Spool Master is free to download, with in-app purchases available.
Do SpoolKeep or Spool Master have ads?
Spool Master shows ads; SpoolKeep does not.
Which is updated more often, SpoolKeep or Spool Master?
SpoolKeep ships an update every 2 months, and Spool Master every 4 days. Most recently, SpoolKeep was updated on September 19, 2026 and Spool Master on September 13, 2026.

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