Account & progress
Connect to merge saved words, review dates, completed passages, and notes across devices. The latest edit wins. Disconnecting keeps both copies. Use the same invited account on each device.
Account & progress
Checking account sync…
You can keep learning locally without sync. Changes sync while the site is open; use Sync now before switching devices. Disconnecting stops sync and keeps both copies. A shared browser profile can connect to only one tester account; use a different browser profile for another learner.