Experts Recommend 10-Plus Outdoor Apps for Trails, Birding and Safety

1 articles · Updated · The Denver Post · Jun 30

Colorado experts highlighted a broad toolkit of mobile apps to improve hiking, wildlife spotting and stargazing, while stressing that critical maps and safety information should be downloaded before leaving cell service.
COTREX stood out for Colorado trail use, combining free offline maps with real-time hazard alerts; the state-backed app now includes data from 236 land managers covering 45,076 miles of trail.
AllTrails and TrailLink were recommended for route discovery, while Gaia GPS and OnX were favored for backcountry navigation; for higher-risk trips, experts said satellite messengers such as Garmin inReach or Zoleo remain essential.
iNaturalist, Seek, Merlin and eBird were the main picks for identifying plants and birds, but users were urged to verify results because apps can misidentify closely related species or rare sightings.
For mushrooms and night-sky use, experts pointed to Gather, Shroomify and SkyView Lite, underscoring a wider message that phones can deepen outdoor experiences when paired with caution and offline backup.