LET'S SHINE TECHNOLOGY CO., LTD.
Sayin

Terms of Service

Effective date: March 28, 2026

ProviderLET'S SHINE TECHNOLOGY CO., LTD.
Emailsupport@letsshine.net
Phone+8613867379526

Sayin, also referred to as Talk Diary / SayIn in some app store materials, is provided by LET'S SHINE TECHNOLOGY CO., LTD. These Terms of Service govern use of the Sayin application on iOS and Android, including versions distributed through Apple App Store and Google Play.

Use of the App

Sayin is intended for personal journaling, voice input, and note-taking use. Users are responsible for how they use the app and for the content they create and store.

Local Protection

Sayin includes a local password feature intended to help protect app access on the user’s device. Users are responsible for remembering and managing their own password.

Microphone and Speech Recognition

If the user chooses voice input, the app may request microphone and speech recognition permissions. Users are responsible for deciding whether to grant those permissions through their device settings. Speech recognition availability and behavior may depend on the operating system, language, and Apple, Google, or other system services.

No Guarantee of Continuous Availability

We may update, improve, or modify the app over time. Availability of specific features may change.

User Content

Users remain responsible for the diary entries, voice-derived text, notes, and other content they create in the app. Users should not enter unlawful, harmful, or rights-infringing content.

Platform Terms

When the app is downloaded through Apple App Store or Google Play, users may also be subject to the applicable store terms, platform rules, and device operating system terms.

Prohibited Use

Users must not use the app for unlawful purposes or to violate applicable laws and regulations.

Limitation

To the fullest extent permitted by law, the app is provided on an “as is” basis without warranties of any kind.

Changes to These Terms

These terms may be updated from time to time. The latest version will be made available through the app and/or the official website.

Contact

For questions about these Terms of Service, contact:

support@letsshine.net
+8613867379526