Apps like Project FeederWatch

Here are some great alternatives to Project FeederWatch by Cornell Lab of Ornithology :
Bird Buddy: ID & Collect Birds
Bird Buddy: ID & Collect Birds
★4.7
FeatherSnapCam
FeatherSnapCam
★4.3
World of Wings
World of Wings
★4.8
Bird Life
Bird Life
★4.7
Sibley Birds 2nd Edition
Sibley Birds 2nd Edition
★4.1
Audubon Bird Guide
Audubon Bird Guide
★4.3
Find the Birds
Find the Birds
★3.6
Bird Identifier: Birding
Bird Identifier: Birding
★3.9
Bird Journal
Bird Journal
★3.8
American Birds Sounds Pro
American Birds Sounds Pro
★4.1
Picture Bird - Bird Identifier
Picture Bird - Bird Identifier
★4.6
Birda: Birding Made Better
Birda: Birding Made Better
★3.9
OrnitO
OrnitO
★4.6
Birds Complete Reference Guide
Birds Complete Reference Guide
★3.3
Hummingbird Tracker
Hummingbird Tracker
★3.2
Smart Bird ID
Smart Bird ID
★4.3