A chat app that speaks every language
Write in your language, they read it in theirs. Free messages, voice notes, photos and calls with your family and friends — wherever they live.
Automatic translation
Messages in another language appear in yours, translated right on your phone.
Free calls between Tellu users
Voice calls over Wi-Fi or mobile data, with no per-minute cost.
Voice notes, photos and files
Share moments, documents and voice messages — with read receipts.
Circles for the people who matter
Family, close friends, work: your chats sort themselves, with quiet hours and rules per circle.
Birthdays and reminders
Tellu reminds you of birthdays and when you haven’t talked for a while — and helps you send a greeting card.
Private and protected
Secret chats, app lock with your fingerprint and one active phone per account.
For families and friends who live in different countries
- Chat with parents back home in their language
- Free voice calls with friends abroad
- Group chats for the whole family, translated for everyone
- Call any regular phone number when they are offline
- Send credit to someone you love in one tap
Frequently asked questions
Is Tellu a free chat app?
Yes. Messages and calls between Tellu users are free. You only pay if you call regular phone numbers or buy a travel eSIM.
How does message translation work?
When someone writes in another language, Tellu shows the message translated into yours. You reply in your language and they read it in theirs.
Can I call people who don’t have Tellu?
Yes. Call any mobile or landline in the world with Tellu Calls, paid per minute from your Tellu balance.
Which languages does Tellu support?
The app is available in 14 languages, including Arabic, English, German, French, Spanish and Turkish, and messages can be translated between many more.
Can I use Tellu on more than one phone?
Tellu runs on one phone at a time. When you sign in on a new phone, your chats and settings move with you.