Global Study Hub

One login. Many study apps.

Enter your numeric Study ID to open the study hub. No password is required.

Your raw Study ID is not stored in Firebase.
Number-only access: anyone who knows the same Study ID can open the same performance record. Use this for low-risk learning data, not private or confidential information.

Choose a study app

Your completed sessions sync once, at the end of each activity.

Firebase ready
0Sessions
—Accuracy
0Questions
0Words tracked
0mStudy time

Study apps

Realtime Database usage: one profile read after login and one compact transaction after a completed session. No per-question cloud writes.