Install
Install App
Look for "Install app" or "Add to Home Screen" in your browser's menu to add Synapse as an app.
Appearance
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Backup & Restore
All data lives on this device. Back up regularly and keep the file somewhere safe (e.g. share it to yourself on WhatsApp or Drive) so a lost or reset phone doesn't lose your referral history.
Cloud sync (coming later)
An optional background sync to the cloud is planned for a future update, so a second device could share the same data automatically. For now, use manual backup/restore above.