Apps like BirdTrack

Here are some great alternatives to BirdTrack by British Trust for Ornithology :
Birda: Birding Made Better
Birda: Birding Made Better
★3.8
Bird Journal
Bird Journal
★4.2
World of Wings
World of Wings
★4.9
Sibley Birds 2nd Edition
Sibley Birds 2nd Edition
★4.0
Reli Up
Reli Up
★4.3
eBird by Cornell Lab
eBird by Cornell Lab
★3.6
Collins Bird Guide
Collins Bird Guide
★4.2
American Birds Sounds Pro
American Birds Sounds Pro
★4.0
BirdNET
BirdNET
★4.1
FeatherSnapCam
FeatherSnapCam
★5.0
Birder's Diary
Birder's Diary
★4.3
GoBird - Guide to Nearby Birds
GoBird - Guide to Nearby Birds
★4.1
Picture Nature: Animal ID
Picture Nature: Animal ID
★3.4
OrnitO
OrnitO
★4.6
Picture Bird - Bird Identifier
Picture Bird - Bird Identifier
★4.6
Merlin Bird ID by Cornell Lab
Merlin Bird ID by Cornell Lab
★4.9