Contact

One person makes the service and answers the emails. Choose the address by topic, and the question won't need to be forwarded.

Email

One address for each topic.

support@tetri.app
Questions about the app: import, settings, errors. The message needs your profile email and a description of the problem.
billing@tetri.app
Payment and subscription. The message needs your profile email, the charge date and the transaction ID.
privacy@tetri.app
Export, correction and deletion of data.
security@tetri.app
A vulnerability, or a suspicion that someone else has access to your profile.
legal@tetri.app
Terms of use and legal questions.

Telegram

A chat and a channel.