Spool Master vs OwHello
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spool Master
Manage your 3D printing filament stock with NFC scanning, inventory tracking, and smart shopping lists. Optimize filament usage, reduce waste, and control expenses with detailed statistics and print settings.
- NFC reading and writing for spools
- Complete inventory management
- Detailed statistics and value tracking
- Automatic low stock alerts
- Smart shopping list generation
- Print settings management
- Multi-device synchronization
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Spool Master - The complete app to manage your 3D printing filament stock MAIN FEATURES NFC Reading and Writing • Read NFC chips from Anycubic and Prusa (OpenPrintTag) spools • Write your own custom NFC tags • Automatic tag detection 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 • Prusa: OpenPrintTag reading and writing (NFC-V) • Generic NFC tags: Custom writing • All other brands, including Bambu Lab and Creality: manual entry with full inventory management • 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/
OwHello
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OwHello is a local-network browser for Bonjour (mDNS). It lists the services and devices that announce themselves on the network the device is connected to, and explains what each one is: a printer, an AirPlay speaker, a HomeKit or Matter accessory, a NAS and so on. A full network sweep can be done to find devices which are not broadcasting their services. There is no account, no sign-in and no server; nothing leaves the local network, and no data is collected. Optimized for iPhone Duo
Screenshots
Verdict
The clearest difference is in-app purchases: OwHello at none against Spool Master's 2. OwHello also leads on ads (none vs shown). Spool Master's advantage is iOS requirement (15.0 vs 26.0). On price 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. Spool Master sells 2 in-app purchases, starting at $1.99 per month. OwHello asks for nothing beyond the download.
| Parameter | Spool Master | OwHello |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 34 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Sebastien Girod | iDEOwen b.v. |
In-app purchases
Spool Master
- Spool Master Monthly$1.991 Month
- Spool Master Yearly$9.991 Year
OwHello
No in-app purchases









