Keichapp Lab (hereinafter referred to as “we”) develops and provides the app (hereinafter referred to as “the App”) and the services provided by the App (hereinafter referred to as “the Service”). By downloading or using the App, you automatically agree to these Terms of Service (hereinafter referred to as “the Terms”). Therefore, we recommend that you read the Terms in full before using the App.
Please note that the original text of these Terms is written in Japanese. If there are differences in meaning or nuance in translations into other languages, the original Japanese text will take precedence.
Information Collection and Use
The App stores and processes personal data you provide to deliver the Service. It is your responsibility to keep your smartphone or tablet and access to the App secure. We do not recommend jailbreaking or rooting your device, as this can make it vulnerable to malware, viruses, and compromise your device’s security features. This may result in the App not functioning correctly or at all.
The App uses third-party services that declare their terms of service.
Links to the terms of service of third-party service providers used by the App:
Prohibited Activities
You are not permitted to reproduce, modify, or reverse engineer the App, any part of the App, or our trademarks in any way. You also must not attempt to extract the source code of the App, translate it into other languages, or create derivative versions. All trademarks, copyrights, database rights, and other intellectual property rights related to the App belong to us.
Disclaimer
Some features of the App require an internet connection, which may be Wi-Fi or mobile data. If you cannot access Wi-Fi or exceed your mobile data limit, the App may not work correctly, and we are not responsible for this. When using the App outside Wi-Fi areas, mobile data terms apply, and you may incur data charges. Using data roaming abroad may result in additional roaming charges. You are responsible for any charges incurred by using the App. If someone else pays for the device you are using the App on, you are assumed to have their permission to use the App.
We are also not responsible if you cannot use the Service due to a dead battery on your device. You must manage your device’s battery responsibly.
We rely on information provided by third parties and are not responsible for the completeness or accuracy of the information provided through the App, even if direct or indirect losses occur.
Changes to the App and Termination
We may update the App’s content and functions. The App is currently available on iOS/Android devices, but we may expand support to other systems or change system requirements in the future. To keep the App running smoothly, regular updates may be necessary. However, we do not guarantee the App will always support your iOS/Android device version or stay up-to-date. We recommend accepting updates when available.
We reserve the right to stop providing the App or terminate its use at any time without notice. When the App is terminated, any rights or licenses granted to you will also end, and you must stop using the App and delete it from your device if necessary.
Changes to the Terms
These Terms may be updated periodically. Therefore, we recommend regularly checking this page for changes. We will notify you of any changes by posting the new Terms on this page.
These Terms are effective from March 1, 2025.
Contact Us
If you have any questions or suggestions about these Terms, please contact us via contact form .