SpoolKeep vs SpoolTool
Price, ratings, monetisation and update history for both apps, side by side ā 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 ā 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
SpoolTool
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SpoolTool is a clean and easy-to-use app for tracking your 3D printing filament en accessories. Keep an overview of your filament spools, materials and remaining weight and accessories, so you always know what you have available before starting a print. Key features: ⢠Track filament spools and remaining weight ⢠Support for common materials like PLA, PETG and TPU ⢠Stock inventory ⢠Accessory inventory ⢠Simple and distraction-free interface ⢠iCloud synchronization SpoolTool+ (optional in-app purchase): ⢠Unlock additional filament materials ⢠Unlock all accessories ⢠Add more brands and detailed filament information ⢠Enable cost calculation features ⢠Configure spool stock locations SpoolTool does not require an account and does not collect personal data. App data can be stored securely using iCloud when enabled on your device. Built with focus on simplicity, privacy and ease of use.
Screenshots
Verdict
The clearest difference is update cadence: SpoolTool at weekly against SpoolKeep's every 2 months. SpoolKeep's advantage is iOS requirement (17 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. SpoolKeep sells 1 one-off in-app purchase and SpoolTool sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SpoolKeep ships an update every 2 months, SpoolTool weekly. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.
| Parameter | SpoolKeep | SpoolTool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Weekly ā better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad ā better |
| Requires iOS | 17 ā better | 26.0 |
| Further details ā not scored | ||
| Size | 3 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Claude-Alain Muller | Luc Janssen |
In-app purchases
SpoolKeep
- SpoolKeep Premium$1.99
SpoolTool
- SpoolTool+$1.99








