What is the Mountain Project application, how does it work?

According to the introduction of Recreational Equipment, Inc., Mountain Project is a Sports app on the Android platform. There is currently a 4.6.0 version released on Jul 18, 2019, you can see the details below.

Beyond the Guidebook: The Definitive Rock Climbing Resource.

• Find outdoor climbing areas near you, and navigate to them, using the map. This super-handy new feature is one of our personal faves.
• The much requested route finder: Easily sort routes by discipline, difficulty, star ranking and more. If a 4-star M9 is your thing, we'll help you find it.
• Search our entire database of 155,000+ climbing routes, even offline.
• Download route beta, photos, and topos state by state for offline use — because the best crags often have the worst reception.
• View a climbing area’s route stats (how many 5.11s are there?) and critical info (when is the raptor closure again?) in a single glance.
• Chat, ask questions, or put out a call for partners in our forum.
• Rate routes and photos, keep track of attempts & sends, or make a to-do list
• It's free to download and free of advertising too. Everything you need, nothing you don't.

Links:
• Privacy Policy: http://www.mountainproject.com/scripts/PrivacyPolicy.php
• Terms of Service: http://www.mountainproject.com/scripts/TermsOfUse.php

- Added deep link support. Tapping URLs in messages for routes and areas will now open in the app.