This is an English translation for convenience. If there is any difference, the Korean version prevails.
Terms of Service
Effective date: October 17, 2026
1. The service
Langer is an AI-powered foreign-language (English and Korean) conversation practice service. AI feedback is a learning aid and may not always be accurate.
2. Free use and subscriptions
- Free users can use the service a set number of times per day. Subscribers can use it without a usage limit within normal use (300 times per day).
- Langer subscriptions are auto-renewable subscriptions. Payment is charged to your Apple ID account at confirmation of purchase.
- Your subscription renews automatically unless you cancel it at least 24 hours before the end of the current period.
- You can manage and cancel your subscription in your device's Settings › [your name] › Subscriptions.
- Refunds are subject to Apple's refund policy.
3. Prohibited conduct
You may not abuse the service through automated means, or enter content that is illegal or harmful to others.
4. Limitation of liability
The service is provided "as is" and does not guarantee any learning outcomes or test scores.
5. Changes
If these terms change, we will post a notice on this page.
Apple's Standard End User License Agreement (EULA) also applies: Apple Standard EULA
6. Contact
Contact: contact@langer.school