Last updated: September 30, 2026
1. Scope
These Terms govern the provision of the App and the relationship between you and the developer (the "Developer"). By using the App you agree to these Terms.
2. What the App does
This app records sounds while you sleep and estimates their types with on-device sound recognition. Classifications, scores and transcripts are estimates and their accuracy is not guaranteed. This app is not a medical device and is not intended to diagnose, treat or prevent any condition. If someone else sleeps in the same room, let them know you are recording.
3. Plans
The App is offered under the following plans.
- Free — Free. All features are free, with no limits on nights or playback. There are no in-app purchases or subscriptions. A small non-personalized banner ad is shown at the bottom of the screen, and an ad at the bottom of the morning report and trends. No ads are shown on the recording screen or the alarm.
4. Prohibited conduct
When using the App you must not:
- act unlawfully or contrary to public order and morals;
- reverse engineer, modify, copy or redistribute the App;
- interfere with the operation of the App;
- infringe the rights of other users or third parties;
- circumvent payment by improper means.
5. Disclaimer
The App is a supporting tool. To the extent permitted by law, the Developer accepts no liability for:
- the accuracy or currency of data you enter, or of any translation the App produces;
- financial loss or data loss arising from use of the App;
- malfunctions, network failures or server failures;
- the behaviour or content of third-party services such as Google AdMob.
Nothing in these Terms excludes or limits liability that cannot lawfully be excluded or limited, including liability for death or personal injury caused by negligence, or for fraud. Where you use the App as a consumer, you keep the statutory rights available to you under the law of your country of residence.
6. Intellectual property
Copyright and other intellectual property rights in the App and all related content (code, design, text and so on) belong to the Developer or the respective rights holders.
7. Changes to and discontinuation of the App
The Developer may change, add to or remove features of the App, and may suspend or discontinue the App, without prior notice.
8. Changes to these Terms
The Developer may amend these Terms at any time where it becomes necessary to do so. Amended Terms take effect when posted in the App or on this site.
9. Governing law and jurisdiction
These Terms are governed by the laws of Japan, and the court with jurisdiction over the Developer's location shall have exclusive jurisdiction over disputes arising in connection with the App. If you use the App as a consumer resident outside Japan, this does not deprive you of the protection of mandatory provisions of the law of your country of residence.
10. Contact
For questions about these Terms, please contact the developer.