Terms of Use

Last updated: November 11, 2026

These terms set the conditions for using Lumisera (the “App”). Please read them before use. By using the App, you agree to them.

Article 1 (What the App is)

The App is a focus-support app that locks selected apps until your TODOs are done and grows Lumi with your focus time. It is not intended for medical care or treatment.

Article 2 (Conditions of use)

Use requires Screen Time permission on your iPhone. You are responsible for any data charges incurred by using the App.

Article 3 (Paid plans)

・Premium is available as monthly or annual (auto-renewing) plans, or a one-time purchase. Prices are shown on the purchase screen. ・Payment is charged to your Apple ID at confirmation. ・Auto-renewing subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel in iPhone Settings → Subscriptions. ・If a free trial is offered, you will be charged automatically when it ends unless you cancel during the trial. ・Refunds follow Apple's policies.

Article 4 (Prohibited acts)

The following are prohibited, including in posts to “Everyone” and Lumi's name. ・Content that defames or discriminates against others, or is obscene or violent ・Posting personal information (names, contact details, social accounts) or URLs ・Solicitation, advertising or impersonation ・Unauthorized analysis or modification of the App, or placing excessive load on servers ・Acts that violate laws or public order We may remove posts or restrict use without notice if these are violated.

Article 5 (About locking)

While locked, the apps you selected cannot be opened. Do not lock apps you need for daily life or emergencies, such as phone calls. “Emergency unlock” is provided in case you cannot unlock normally.

Article 6 (Rights)

Copyright and other rights in the App belong to the operator. You keep rights to what you post, but grant the operator a free license to use it as needed to display and operate the App.

Article 7 (Disclaimer)

The App is provided as is. Features such as locking may not work correctly due to OS updates, changes by Apple, network failures and the like. To the extent permitted by law, the operator is not liable for damages arising from use of the App. Figures such as life expectancy are estimates and not guaranteed to be accurate.

Article 8 (Changes and termination)

The operator may change the App or these terms, or discontinue the App, as needed. Important changes will be announced in the App.

Article 9 (Governing law)

These terms are governed by the laws of Japan.