Drop your catch on the QR mat, snap once, and get length + species ID.
VIP
Catch studio
Measure
Point at your QR sticker (— cm). When scale locks, tap the shutter.
scale —
Result
Confirm measurement
Save
Log this catch
Soft account — email magic link, or Google / Apple. New accounts get a 30-day VIP trial.
Open the link on this phone. Your catch and photo save automatically — no second tap.
or
Your log
Catches
Sign in to see your saved catches.