Last Updated: January 2, 2026

Agreement to Terms

Welcome to Otto! These Terms of Service ("Terms") govern your use of the Otto mobile application ("App," "Service," or "Otto"). By downloading, accessing, or using Otto, you agree to be bound by these Terms.

If you do not agree to these Terms, please do not use the App.

Description of Service

Otto is a language learning application designed for partners in long-distance relationships. The App allows users to:

• Create shared learning spaces with a partner
• Practice speaking in a target language through daily challenges
• Record and listen to audio recordings
• Track learning progress and maintain streaks
• Connect with a learning partner via invite codes

Account Registration

Eligibility

To use Otto, you must:

• Be at least 13 years of age
• Provide accurate and complete registration information
• Maintain the security of your account credentials

Account Responsibility

You are responsible for: