COM SENSEI vs SpoolKeep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COM SENSEI
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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
Screenshots
Verdict
The clearest difference is update cadence: COM SENSEI at daily against SpoolKeep's every 2 months. On price, ads, 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. COM SENSEI sells 3 one-off in-app purchases and SpoolKeep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
COM SENSEI ships an update daily, SpoolKeep every 2 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.
| Parameter | COM SENSEI | SpoolKeep |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Prototypes GmbH | Claude-Alain Muller |
In-app purchases
COM SENSEI
- Pro 10$0.99
- Pro 100$12.99
- Pro 1000$59.99
SpoolKeep
- SpoolKeep Premium$1.99









