Terms of Use
Last updated: November 8, 2026.
By using Sayo you agree to these terms. If you do not agree, do not use the app.
Use of the app
Sayo is provided for personal, non-commercial use. You are responsible for the content you enter. Do not misuse the app or attempt to break its security.
No warranty
The app is provided “as is”, without warranties of any kind. Language lessons are practice aids and not a guarantee of fluency or exam results. Your data is stored on your device, so keep a backup using the export feature.
Paid plan
The Google Play version offers an optional paid plan that removes ads. Purchases, refunds and subscriptions are handled by Google Play under its terms.
Limitation of liability
To the extent allowed by law, we are not liable for indirect or consequential damages or for data loss.
Changes
We may update the app and these terms. Continued use means you accept the updated terms.