SpoolKeep vs Spool Buddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpoolKeep
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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
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is update cadence: Spool Buddy at every 2 weeks against SpoolKeep's every 2 months. Spool Buddy also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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. SpoolKeep sells 1 one-off in-app purchase and Spool Buddy sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
SpoolKeep ships an update every 2 months, Spool Buddy every 2 weeks. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.
| Parameter | SpoolKeep | Spool Buddy |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (9 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 17 — better | 18.2 |
| Further details — not scored | ||
| Size | 3 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Claude-Alain Muller | Martian Code Oy |
In-app purchases
SpoolKeep
- SpoolKeep Premium$1.99
Spool Buddy
- Small Tip$0.99
- Medium Tip$2.99
- Large Tip$4.99
Questions
Is SpoolKeep free?
Is Spool Buddy free?
Do SpoolKeep or Spool Buddy have ads?
Which is updated more often, SpoolKeep or Spool Buddy?
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