A field guide in your pocket

Discover the wild
around you.

Find nearby wildlife, capture real-world encounters, and fill a personal Dex with the creatures you meet.

See how it worksComing soon to the App Store
1,170
U.S. creatures
50
nearby picks
290
pet breeds
The Critterdex collection showing captured and uncaptured creatures
Critterdex showing wildlife near the selected location
Nearby species
On-device ID

Meet the wild around you

Your pocket guide
to the real world.

Critterdex with a fox, raccoon, cardinals, frog, dragonflies, and monarch butterfly

How it works

Your next discovery
is already nearby.

Critterdex combines a nationwide wildlife catalog with location-aware rankings and on-device recognition.

01

Wildlife near you

Set your location or search any U.S. city or ZIP code to find 50 frequently observed critters nearby.

02

Capture & identify

Take a photo, review on-device suggestions, and confirm the species before adding it to your Dex.

03

Build your Dex

Track captured and uncaptured insects, birds, mammals, reptiles, amphibians, and arachnids.

04

Learn as you explore

See real photography, scientific names, habitats, active times, observation counts, and field notes.

Inside the app

Explore. Capture.
Fill your Dex.

Current Critterdex screens—from nearby wildlife to your personal collection and field profile.

Critterdex nearby wildlife screen
Critterdex personal Dex screen
Critterdex field profile screen

Explore responsibly

Get closer to nature.
Not too close.

Critterdex is made to encourage curiosity without disturbing wildlife. Keep a safe distance and leave every habitat as you found it.

Your data

Wildlife discovery without hidden tracking.

Photos and captures remain on your device by default. Our dedicated policy explains accounts, optional training contributions, exact location sharing, retention, and deletion in plain language.

Read the privacy policy