SpoolSense - NFC Filament Tags
Read, write & track filament
About
This app transforms your iPhone into an NFC reader and writer for 3D printing filament spools. It instantly displays filament details and allows you to read, write, and edit tag information. Optional integrations sync with inventory management systems and send spool data directly to your 3D printer.
What's New in SpoolSense
1.1.1
August 21, 2026
Fixed a bug where a colour hex code typed into a tag writer screen — or imported from Spoolman — was quietly changed to a slightly different colour. Your exact colour is now kept.
MoreFAQ
What is SpoolSense?
SpoolSense is a utility app that turns your iPhone into an NFC reader and writer specifically for 3D printing filament spools. It allows you to quickly read and write information to NFC tags attached to your filament.
Does SpoolSense have ads?
No, SpoolSense is completely ad-free. The developer prioritizes user privacy and experience, ensuring no advertisements interfere with its functionality.
What devices does SpoolSense support?
SpoolSense requires an iPhone 7 or later for its NFC scanning and writing capabilities. The app is designed for iOS devices.
Is SpoolSense free to use?
Yes, SpoolSense is available for free. There are no in-app purchases or subscriptions required to use its core NFC reading and writing features.
How often is SpoolSense updated?
The latest version, 1.1.1, was released on August 21, 2026, indicating recent development activity. Users can expect ongoing support and potential updates.
What are the optional features of SpoolSense?
Optional features include syncing with a self-hosted Spoolman server for inventory management and sending spool data directly to compatible 3D printers like Snapmaker U1 and Klipper-based systems.
What is the age rating for SpoolSense?
SpoolSense has an age rating of 4+, making it suitable for a wide range of users. This indicates no mature content is present in the application.
How does SpoolSense handle user data and privacy?
SpoolSense is designed with a strong focus on privacy. It collects no data, has no analytics, no tracking, no accounts, and never sends your data anywhere, ensuring everything lives on your devices or servers.