Terms of Use
Last updated: July 2026
1. Acceptance
These terms apply to your use of Sonalog (the "App"). By downloading or using the App, you are deemed to have agreed to these terms.
2. License
The developer grants you a non-exclusive right to use the App for personal, non-commercial purposes. Copying, modifying, redistributing or reverse-engineering the App is prohibited.
3. In-app purchase (one-time)
The App's core features are free to use. "Full Access" is a one-time (non-consumable) in-app purchase (¥600) that unlocks emergency card PDF export. It is not a subscription (there is no auto-renewing charge). Once purchased, there are no recurring payments.
4. Restoring purchases
After changing devices or reinstalling, use "Restore Purchase" in the App to restore purchases made with the same Apple ID.
5. Payment and refunds
Billing is handled through your Apple ID. Refunds follow Apple's terms and procedures; the developer does not issue refunds directly.
6. Disclaimer
The App is a tool for recording and managing household supplies and emergency information. The required amounts it shows are general guidance based on Japanese public preparedness materials and do not determine whether to evacuate or provide medical advice. For your actions during a disaster and for the final decision on evacuation, follow your local government's official information and professional guidance. Except in cases of willful misconduct or gross negligence, the developer's liability for any damages arising from use of, or inability to use, the App is limited to the total amount you have paid in connection with the App. Where such a limitation is not permitted by mandatory law, liability applies to the extent required by that law.
7. Changes to these terms
The developer may update these terms as needed. Significant changes will be announced on this page.
8. Contact
Android purchases, and use by minors
In-app purchases in the Android version are processed through Google Play. Payment and refund procedures follow Google Play's terms and processes. Google Play handles refunds immediately after purchase; after that window, please contact us through the support page.
Minors may use this app, but should obtain a parent or guardian's consent before making an in-app purchase. Guardians can control purchases with Family Sharing / Ask to Buy on the App Store, or Parental Controls on Google Play.
Limitation of liability (overriding)
Notwithstanding any other provision of these terms, Except in cases of our willful misconduct or gross negligence, our liability for any damages arising from your use of the app is limited to the amount you paid us for the app. Where such a limitation is not permitted by mandatory law, we are liable to the extent that law provides.