SpoolSense for iPhone

Your filament library, one tap away.

Read and write NFC filament tags, browse your Spoolman inventory, and send the right spool to your printer—all from your iPhone.

Download on the App Store ↗ See what it can do

Free · No account · No subscription · No tracking

A scanner in your pocket

Tap a spool. Know exactly what it is.

SpoolSense turns your iPhone into an NFC reader and writer built specifically for 3D-printing filament.

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Read and write five formats

Work with OpenPrintTag, OpenSpool, TigerTag, OpenTag3D, and NFC+ UID registration.

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Keep Spoolman in sync

Browse your self-hosted inventory, check remaining weight, and update linked spools as you scan.

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Send spools to your printer

Assign filament to Snapmaker U1 or connect Klipper, AFC, Happy Hare, and toolchanger workflows.

Built for the whole workflow

From blank tag to loaded printer.

Write the tag format you need, then keep your filament inventory close wherever you print.

Write the format that fits your workflow.

See your Spoolman inventory at a glance.

What you need

Just an iPhone and an NFC tag.

Reading and writing requires a physical iPhone 7 or later. Spoolman and printer integrations are completely optional and connect only to services you run on your own network.

Get SpoolSense for iOS ↗

Private by design

Your data stays yours.

SpoolSense has no analytics, no ads, no accounts, and no cloud service. Your data stays on your devices and the servers you choose to connect.

Read the privacy policy →