Terms of Service

Last Updated: September 2026

Welcome to KD Labs software. By installing or utilizing our applications downloaded from the Google Play Store or open-source repositories, you agree to these terms.

1. Open Source License & Usage

Simple OTP is distributed under the MIT license, giving you the freedom to use, modify, and audit the application for personal and commercial needs.

2. Responsibility for Master Passwords

Because KD Labs stores zero data on cloud servers, you are solely responsible for safeguarding your encrypted backup passphrases and physical device access.

3. Disclaimer of Warranties

The software is provided "as is" with the highest commitment to international cryptographic standards (RFC 6238 and RFC 4226).

KD Labs Legal & Support

Email: support@kd.io.vn