Comparison

Spool Buddy vs Filament Manager

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

Head to head
About

Spool Buddy

Effortlessly manage your 3D printing filament inventory. Track brands, colors, and usage with a simple, fast interface. Syncs seamlessly across Apple devices without requiring logins or network calls.

Highlights
  • iCloud syncing
  • No logins or network calls
  • Track brands, colors, and modifiers
  • Search and filter by properties
  • Usage and inventory tracking
  • Optimized for iOS and macOS
Features
Read full description

Filament tracking for 3D printing, without the fuss. Spool Buddy is a simple, fast filament inventory app made for hobbyists who want to know what filament they have, where it is, and how much is left — without accounts, subscriptions, tracking, or complicated setup. Add your filaments, organize them by brand, material, color, location, modifiers, and more. Track usage across one or multiple spools, keep drying logs, attach photos, archive old filament, and export or print your inventory when you need it. Spool Buddy syncs with iCloud, so your filament library stays up to date across iPhone, iPad, and Mac without creating an account. Features include: - Track filament inventory, usage, and remaining amounts - Multi-spool support for filaments - NFC reading and writing - iCloud sync with no logins - Photos for filament entries - Drying logs - Custom brands and materials - Detailed filament information, including colors, polymers, modifiers, fillers, and visual properties - Automatic color names and color family filtering - Support for gradients and complex filament colors - Filter by storage location, brand, color family, modifiers, and polymer - Sort by price, date added, color, brand, and name - Group by brand or material - Usage indicators at a glance - Archive filaments you no longer actively use - Export your inventory to CSV - Print your filament inventory - Optimized for iOS and macOS 26 - Small, fast, and designed to stay out of your way Spool Buddy is completely free to use. There are no subscriptions, no locked features, and no required purchases. In-app purchases are optional tips only, for people who want to support the app’s development. Made by an indie solo developer for people who just want a clean, useful way to manage their filament.

About

Filament Manager

Features
Read full description

Filament Manager helps you organise 3D-printer spools. Record material, diameter, colour, initial and current weight, empty-spool weight, and price. Track usage and drying sessions, calculate estimated remaining length and cost, and see a low-stock indication. Generate QR labels for easier identification. Spool and usage records stay on your device unless you choose to export or share them. Contains ads. What Pro adds Cost & usage report A shareable report of remaining value and 30-day usage across every spool, broken down by material. No ads Every screen stays free of banner and interstitial ads. Annual Pro Payment is charged to your Apple Account. The subscription renews annually unless canceled at least 24 hours before the current period ends. Manage or cancel it in your App Store account settings. Privacy policy: https://draconisinfrastructure.com/mobile-utilities-privacy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Spool Buddy4 screens
Filament Manager3 screens

Verdict

The call

The clearest difference is ads: Spool Buddy at none against Filament Manager's shown. Filament Manager's advantage is iOS requirement (15.0 vs 18.2). 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. Spool Buddy sells 3 one-off in-app purchases and Filament Manager sells 1 in-app purchase, starting at $1.00 per year. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
Spool Buddy versus Filament Manager: the parameters behind the verdict, then further details
ParameterSpool BuddyFilament Manager
PriceFreeFree
Rating4.3 (9 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 2 weeks—
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.215.0 — better
Further details — not scored
Size10 MB6 MB
Age rating4+4+
DeveloperMartian Code OyDraconis Infrastructure LLC

In-app purchases

3 purchases

Spool Buddy

One-time3
  • Small Tip$0.99
  • Medium Tip$2.99
  • Large Tip$4.99
1 purchases

Filament Manager

Subscriptions1
  • Annual Pro$1.001 Year

Questions

Is Spool Buddy free?
Spool Buddy is free to download, with in-app purchases available.
Is Filament Manager free?
Filament Manager is free to download, with in-app purchases available.
Do Spool Buddy or Filament Manager have ads?
Filament Manager shows ads; Spool Buddy does not.

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