Last updated: April 2026

One Grain does not collect, store, transmit, or share any personal data from its users.

All learning data (characters reviewed, session history, progress) is stored locally on your device only and is never sent to any external server.

One Grain contains no:

• Analytics or tracking tools
• Advertising networks
• Third-party SDKs that collect data
• User accounts or login systems

If you have any questions, contact: [email protected]