• apple
  • Android
  • windows-8
  • Blackberry
  • unity
  • HTML-5
  • flash
  • Facebook
  • Twitter

Portfolio / Green Mountain Digital

Green Mountain Digital

Green Mountain Digital is the mobile apps market leader in nature and wildlife. We design and publish authoritative and comprehensive mobile applications that engage users with all aspects of the natural world.

Apps we built:

Yonder – Outdoor Adventures

Created for everyone—from backyard explorers to backcountry adventurers—Yonder connects you to the people, places, and experiences that inspire. Want to go on a hike? Maybe kayaking? How about rock climbing? Simply launch Yonder and it’ll show you the places and experiences that are all around you!

Audubon Birds

The Audubon Birds app is the most comprehensive digital field guide to North American Birds with 771 species containing the most complete species descriptions with extensive details updated to the latest AOU checklist.



Orvis Fly Fishing

Introducing the Orvis Fly Fishing App, a complete guide with casting lessons, video and animated knot instructions, a guide to the top trout flies, and updated fishing condition reports for more than 200 of the best fishing locations in North America.


The GardenMinder app brings everything you need to start planting a vegetable garden to your fingertips. With built in reminders and how to’s, GardenMinder is sure to help you bring in your biggest harvest yet!


Going fishing? fishblue! Log your fishing trips, get real time sea-surface temperature maps, and help provide critical data for sustainably managing the fishery. Introducing the fishblue app– an opportunity for marine fishermen to become citizen scientists and help conserve our natural resources.




Tap into the great outdoors with NatureTap, the only nature app that lets you swipe, flip and tap your way through hundreds of birds, bugs, frogs and flowers. And challenge yourself with fun and exciting games.



Audubon Butterflies

Audubon Butterflies is your essential guide to 627 butterflies of North America. Now you can identify every species in your backyard, parks, gardens, the woods or fields with thousands of professional color photographs.



Audubon Trees

Get the ultimate field guide to trees for people on the go! Now you can identify 716 North American trees with thousands of professional color photographs, range maps, and in-depth, authoritative information.



Audubon Mushrooms

Audubon Mushrooms is the most comprehensive and accurate guide to North American mushrooms and other fungi available to date. The app covers 570 common species of mushrooms and other fungi and slime moulds.



Audubon Wildflowers

Audubon Wildflowers is your essential guide to wildflowers in North America. With in-depth information on 1,622 flowers in the US and Canada, Audubon Wildflowers provides invaluable species information from the renowned Audubon Guides.



Audubon Mammals

Audubon Mammals is your essential guide to mammals in the US and Canada. Created in affiliation with the National Audubon Society, Audubon Mammals features in-depth information on 272 species, drawings of mammal tracks and high-quality photos.



Audubon Insects and Spiders

Audubon Insects and Spiders is your introduction to the most common species of insects and spiders in North America. Created in affiliation with the National Audubon Society, this app features in-depth information on 509 species with high-quality photos.



Audubon Reptiles and Amphibians

Created in affiliation with the National Audubon Society, the Audubon Reptiles and Amphibians app contains 437 species with in-depth descriptions, thousands of professional photographs, range maps, advanced search capability, and much more!



Audubon Fishes of the Caribbean

Audubon Fishes of the Caribbean and the Gulf of Mexico is your essential guide to 397 fishes of the tropical and subtropical American seas.



Audubon Fishes

Audubon Fishes is your essential guide to fishes in North America with in-depth information on 675 species in North America. Created in affiliation with the National Audubon Society, this app features beautiful high-quality photos.



Audubon Ultimate Nature Series

This is the must-have guide for the nature enthusiast, providing immediate access to 10 different subjects. We have created Ultimate Nature guides for 8 North American regions.



Birding the Net

Are you participating in Audubon’s Birding the Net contest? Would you like to hear the songs and calls of the birds you are seeking? This special edition app provides intriguing information, fun facts and beautiful images for the birds featured in Birding the Net.

Audubon Owls

Introducing Audubon Owls, a fun-filled, interactive guide to the 19 owl species of North America. Featuring everything you need to know about owls – species descriptions, audio of calls, range maps, up-to-date reference material and much more.



Audubon African Wildlife

Discover the beauty and natural wildlife of the African continent. Created in affiliation with the National Audubon Society, the app contains in-depth species information for 164 mammals, 284 birds and 24 reptiles.



Audubon Birds of Central Park

Introducing Audubon Birds of Central Park, your essential guide to identifying and understanding all the birds that can be found in one of the most unique park settings on the planet – Central Park, New York City.



The Birds of Haiti

The Birds of Haiti and the Dominican Republic features 58 bird species and subspecies that are unique, or endemic, to the island of Hispaniola, the birthplace of John James Audubon.