Terms
Hachi is a study companion for creating, saving, sharing, and practicing reviewers. Use it responsibly and check important answers against your official study materials.
You are responsible for the files, notes, reviewers, and shared materials you add to the app. Only upload or share content you are allowed to use.
AI-generated questions can contain mistakes. Review generated reviewers before relying on them for exams or graded work.
AI generation has file size, question count, and request rate limits to keep the app reliable. Requests may be blocked temporarily if those limits are reached.
Offline features depend on browser storage on your device. Cloud features depend on Supabase, Google sign-in, and network availability.
You can remove device data and app cloud data from Account Settings. Shared reviewers or backups you gave to other people may remain with them.
Last updated: 1 October 2026