Free iOS App ยท 3D Printing

Know when your
filament needs drying

SpoolCast checks your local humidity and tracks how long each spool has been open โ€” so you always know which ones to dry before printing.

Your spool dashboard, today

78%
Current Humidity ยท Seoul
Temp 8.2ยฐC
Dew Point 4.6ยฐC
My Nylon Black
Nylon (PA)
Dry before use
PETG Clear
PETG
Use soon or re-seal
PLA White
PLA
Low risk
General drying guide only โ€” check your filament brand's specifications.

Everything your spools need

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Weather-Aware Status

Fetches your local humidity automatically. GREEN, YELLOW, or RED status updates every time you open the app.

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Spool Inventory

Track PLA, ABS, ASA, PETG, TPU, PC, Nylon, and PVA. Each filament type has its own humidity threshold and drying parameters.

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Exposure Timer

Tap "Opened" when you pull a spool out. SpoolCast tracks how long it's been exposed โ€” even across days. (Pro)

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Drying Guide

Exact drying temperature and time for every filament type. Max safe temp warning so you don't melt your spool.

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Dry History Log

Log every drying session with date, duration, and temperature. Know exactly when you last dried each spool. (Pro)

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Dry Reminders

Daily notifications for RED-status spools. Never start a print with wet filament again. (Pro)

Three steps. No guesswork.

1

Add your spools

Enter spool name, filament type, and whether it's sealed or opened

2

SpoolCast checks the weather

Local humidity is fetched automatically and matched against each filament's threshold

3

See your status instantly

GREEN, YELLOW, or RED โ€” with exact drying instructions when needed

Who uses SpoolCast

๐Ÿ–จ๏ธ FDM hobbyists ๐Ÿญ Prosumer makers ๐Ÿงต Multi-spool collectors ๐ŸŒง๏ธ Humid climate printers ๐Ÿงช Nylon & TPU users ๐Ÿ“ฆ Dryer owners ๐Ÿ  Home workshop makers ๐Ÿ”ฌ Prototyping engineers

Stop guessing.
Start printing right.

Free to use. Pro features $4.99/month.

Download on the App Store