Step 0 Install the Gunks+ app.
Download for Apple
Download for Android
Step 1 Run the Gunks+ app.
Step 2 Enter your address. Click "Send Email".
Step 3 Open the email on your phone. Click the link.
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.