Core exercises, Foundation Path, local learning history and basic Mechanism Studio tools.
Know how Meimay works
Pricing, data handling, educational quality and service operations are collected here so learners can make informed choices.
Updated July 15, 2026Plans and pricing
Optional cloud sync, backup and expanded project continuity. Core explanations are not locked behind Pro.
Prices shown are tax-inclusive planning values. The checkout screen must show the final price, renewal interval, cancellation and refund conditions before purchase.
Data and privacy
- Optional analytics are off until explicit consent.
- Answers, chemical names and structures are not sent to analytics.
- PubChem search sends the entered search term to PubChem.
- Cloud sync sends only the learning records or projects the user explicitly chooses to sync.
- Deleting a cloud account does not automatically erase local browser data.
Educational quality
- Each problem has an ID and content version.
- Problems can be marked draft, internally reviewed or source-verified.
- Corrections are tracked without fabricating historical attempts.
- Meimay supports learning and drawing; it does not replace final chemical, safety or publication review.
Service operations
- Local-first learning remains available without an account.
- Exports are provided so users are not locked into cloud storage.
- Release checks cover content, PWA, privacy, performance and core browser flows.
- Known incidents and material content corrections will be recorded in the update log.
Policies and notices
Formal legal text and operator details must be reviewed and published before accepting paid subscriptions. This page currently exposes the required structure and product behavior.