Step 0: Install the Gunks app.
Apple iPhone & iPad
Android phones & tablets
Step 1: Run the Gunks app.
Step 2: Enter your address. Click "Register Device".
Step 3: Open the email on your phone. Click the link, or type in the code.
Step 3b: If you're using Android, your browser will open. Click the link.
Step 4: You are now registered! Go climbing!
Step 4a: If you previously bought one of the standalone apps (Trapps, Nears, or PK Bouldering) and don't see a "life" license in the Gunks app, then sync the old apps.
Step 4b: Additional guidebooks can be purchased by visiting https://gunksapps.com/web/purchase.