Wall Street Journal’s Sanette Tanaka writes:
The Apps | Short of befriending an experienced urban boulderer, consulting an app is probably the easiest way to learn about climbing routes near you. “Mountain Project” and “Rakkup,” both available free on iOS and Android, catalogue thousands of climbing routes, and work offline once data is downloaded.
The key difference between the two is that the 100,000-plus climbs in Mountain Project are sourced from the app’s users, whereas Rakkup’s nearly 24,000 climbs (available through in-app purchases) are culled from the company’s digital guidebooks, which are written by local climbers.