Get help
Start with the frequently asked questions and privacy design for supported platforms, family-sharing boundaries, and data handling.
Report a problem or suggest an improvement
Happy Pocket is open source. You can use GitHub Issues, but do not include real names, transactions, photos, keys, invitation codes, or other sensitive information.
Contact us by email
For bugs, product help, or legal questions, email support@napu.co.jp. Normal support hours are weekdays 10:00–17:00 Japan Standard Time. Do not include sensitive information, financial records, photos, keys, PINs, recovery phrases, or invitation codes in email.
Privacy and data deletion
Plaintext ledger data is primarily stored on your device and can be removed from the App’s settings. To request access, correction, suspension of use, or deletion of personal information held by us, use the email address above. We will verify the requester’s connection to the relevant device or sync group, act within a reasonable and necessary scope, and generally respond within 30 days. Because of the zero-knowledge design, we cannot view or recover plaintext financial data.
- Operator: ナープ株式会社
- Address: GYB Akihabara 5F, 2-25 Kanda-Sudacho, Chiyoda-ku, Tokyo 101-0041, Japan
- Telephone: 03-6859-7235 (weekdays 10:00–17:00 Japan Standard Time)
