Misty forest at dawn, pink survey tape tied around a birch
Point 014Barycz Valley, 06:12
wren, chiffchaff, bittern

Field notesthat filethemselves.

Sedge listens, identifies and logs what you find, offline and one-handed. Built for ecologists, rangers and survey teams.

Join the spring betaSee how it works

Four seconds
from song
to record.

010.0 s
Listen

Hold the phone up. Sedge records and filters out wind, water and your own footsteps.

021.2 s
Identify

The offline model reads the call, shows how sure it is and what else it could be.

032.6 s
Pin

The record lands on your survey map at the exact point, on the right transect.

043.6 s
Log

The recording stays attached as evidence and syncs when you're back in range.

Knows the field
by ear and by eye.

11,800 European species live in the offline model. Birds and frogs by their calls; plants, fungi and insects from a photo. Every match shows how sure it is and why.

Common kingfisher on a reed stem
Common kingfisherAlcedo atthis98%call and photo
Eurasian bittern hiding in reeds
Eurasian bitternBotaurus stellaris96%booming call
Fire salamander on wet moss
Fire salamanderSalamandra salamandra99%photo
Elephant hawk-moth on a leaf
Elephant hawk-mothDeilephila elpenor94%photo at dusk
Scarlet elf cup fungi on a mossy branch
Scarlet elf cupSarcoscypha austriaca91%photo, check the hairs
Lady's slipper orchid in a beech forest
Lady's slipper orchidCypripedium calceolus97%photo, location hidden
Researcher writing notes in the rain next to a stake with pink tape

Works where the signal doesn't.

Offline by defaultAll 11,800 species fit in 1.4 GB on the phone, so nothing waits for a signal.
One hand, wet glovesBig targets, a hold-to-record button and a mode that works with the screen locked.
Nothing gets lostRecords wait on the phone, with their audio and photos, and sync when you're back in range.

Forty notebooks,
one report.

Survey leads assign transects, check each record against its recording, and export the season report in the format their funder asks for.

Three field ecologists planning the count over a paper survey map at the back of a car
Plan the seasonDraw transects on the map, assign them to people and see who walked what.
Review what mattersLow-confidence matches and protected species go to a review queue, with the recording one tap away.
Export without retypingSeason reports in PDF and CSV, with protected locations blurred for public copies.
Fishponds and a river from above at sunrise

Go outside.
Sedge takes the notes.

The beta opens in March 2027 for survey teams in Poland, Germany and Czechia.