Data Deletion
Last updated: 2026-10-10
You can delete all of your learning data at any time, for any reason or none.
What gets deleted
- Answer events and error attribution.
- Knowledge-point mastery and review queue.
- Learning sessions and listening mock-exam scores.
- AI practice conversations and their retrieval vectors.
- The account itself.
How to delete
Email the address below (with your sign-in email); we will delete within 7 business days. This action is irreversible.
Legal retention
To meet tax and accounting requirements, necessary billing records are retained until the statutory period, after being de-identified.