One quick setup
This app needs a free Firebase project to sync between both phones. Takes about 5 minutes.
- Go to
console.firebase.google.com → Add project.
- Build → Firestore Database → Create (start in test mode).
- Project settings → your apps → Web (</>) → register → copy the
firebaseConfig.
- Paste it into the top of this file where it says
PASTE CONFIG HERE, then re-upload.
Once the config is in, this screen disappears on its own.