Live call captions & translation
Tap Translate on a call: what the other person says appears as text, translated into your language — on Tellu calls and regular numbers.
Live Beta
Free calls · Translation · Bridge · eSIM
Talk to your people in any language. In any country.
Free calls and messages with your people on Tellu — translated for you, so language never stands between you. Call any regular number, even landlines, and let anyone reach you through one Bridge link without seeing your number.
Your people, in your language, wherever they are.
Available in 14 languages
Available now
Everything you use today, in one app.
Tellu is a working product, not a promise. These are the features in the app right now — each one built around the way people actually keep in touch.
Tellu Bridge
Send one link anywhere. Anyone can talk to you from their browser — no app, never seeing your number — and your replies reach them in their language.
LiveMessage translation
Messages in another language appear in yours, translated right on your phone.
LiveLive call translation
During a call, read what the other person says as text, translated into your language — even on regular phone numbers.
LiveBetaMessaging
Real-time chats with photos, voice messages and read receipts.
LiveVoice calls
Free voice calls between Tellu users, over Wi-Fi or mobile data.
LiveVideo calls
Free HD video with your friends — direct, encrypted, with subtitles in your language.
LiveInternational calling
Reach regular phone numbers abroad, paid from your Tellu balance.
LiveContacts
See who is on Tellu, add friends by username or QR code.
LiveTop up & credits
Add balance with a top-up code or a supported payment method.
LiveTravel eSIM
Buy a data plan before you fly and install it in the app.
LiveTellu Top-Up
Send credit or data to any mobile number in 160+ countries — money back if it fails.
LivePeople & Moments
A page for each person who matters, and a quick “Free now” so they know when to call.
LiveAI helper
Rewrite a message in the right tone or language, or get a summary with suggested replies.
LiveMy circles
Family, close friends, work, clients… Tellu suggests who belongs where, and your chats sort themselves into sections.
LiveRules for each circle
Quiet after working hours with an automatic reply, choose which circles can call you, and a formal or warm tone for translations.
LiveTellu stickers & emoji
More than 150 stickers of our own in 7 packs, and Tellu emoji you can drop right into your messages.
LivePhoto bridge
One photo a day from each of you — a small daily window into each other's world.
LiveYour status
Available, busy or do not disturb: your people see it before they call.
LiveYour chats, your order
Pin up to 5 chats, arrange sections and filters, and filter by bridges, groups or circles.
LiveBirthdays & occasions
Tellu reminds you the day before, nudges you when you haven't talked for a week, and lets you send a Tellu greeting card in their language.
LivePrivate and protected
Lock Tellu with your phone's fingerprint, one active phone per account, and an email whenever it moves to a new one.
Live
Available now
One link. Anyone can talk to you.
Create a Bridge and send it anywhere — WhatsApp, Instagram, an ad. Whoever opens it can chat and call you straight from their browser: no app, no account, and they never see your number.
- CreateChoose who it is for, how long it stays open, and an optional topic.
- ShareSend the link anywhere. It appears as a clean Tellu Bridge card.
- TalkMessages land in your Bridges folder, and calls ring in Tellu like any call.
- Chat and call from the browserGuests write or call you free from the Bridge page — nothing to install.
- Each in their own languageYour replies reach them in their language, translated on your phone.
- Your number stays yoursGuests see only your display name — not your number, username or email.
- You set the rulesOne person or up to 50, open from 1 hour to 30 days. Close or delete it anytime.
- Replies reach them, even with the page closedGuests can turn on browser notifications for your replies — and turn them off again.
Global by design
One app. A world of connections.
Messages, calls, mobile data and your balance usually live in four different apps. Tellu brings them together — one account, one balance, one familiar experience wherever you are.
Freecalls and messages between Tellu users
14app languages, including Arabic
1balance for calls and travel data
Available now
Make the call that matters.
Calls between Tellu users are free. When the person you need isn't on Tellu, call their regular phone number abroad — you see the price per minute before you dial, and pay from your balance.
- Free voice and video callsBetween Tellu users, over Wi-Fi or mobile data, with no per-minute cost.
- International calls to any phoneClear per-minute pricing shown in the app before the call.
- Minute bundles, one fixed pricePrefer not to count minutes? Buy a bundle for the country you call most — no subscription, nothing renews.
- They’re offline? Reach their phoneIf your person has no internet, Tellu offers to ring their regular phone — paid from your balance, without ever showing you their number.
- Your call keeps goingLeave the app and the call continues, with a notification and a bar to jump right back in.
- Everything you expect on a callMute, speaker, and an in-call keypad for automated menus.
Available now
Video calls, face to face — free
Free HD video calls with your people on Tellu, direct and encrypted between the two phones, with live subtitles in your language.
- Free HD videoUnlimited video calls with your friends, over Wi-Fi or mobile data.
- Direct and encryptedThe call connects phone to phone — “Encrypted” shows right on the screen.
- Subtitles in your languageWhat they say appears translated over the video, like a film.
- You decide who callsAll calls, voice only or no calls — for each person or circle.
- Answer your waySee your camera before you answer, or answer with voice only.
Available now
Your conversations, beautifully simple.
Fast, familiar messaging with the people who matter — without the noise. Share a photo, record a voice note, and know when your message has been read.
- Voice messages and photosSay it out loud or show it — right in the chat.
- Delivered and readClear message status, so you're never left guessing.
- Calls and credit in the chatCalls between you and credit you send appear right in the conversation.
- A folder for your BridgesChats from Bridge guests are kept together, one tap away.
- Your chats, even offlineOpen and read your conversations without internet — they sync when you are back.
- Online status, on your termsShow when you're online — or turn it off in settings.
Available now
Your people, close.
Tellu is built around the people who matter. Each one has a page with everything between you, and small details that make reaching them easier.
- Moments: “Free now”Let all your people, only family or only friends know you are free or open for a call — for as long as you choose.
- Know the right momentSee their local time, preferred language and the best time to reach them.
- Everything between youCalls, messages and credit you sent — together on their page.
- Your people on Tellu, firstPeople on Tellu appear at the top of your contacts.
- Find and inviteSearch by name or username, or share an invite link.
Available now
A smart helper in your chats.
Two AI tools built into Tellu, always in your hands. Nothing is ever sent until you tap Send.
- Writing assistantMake a message more formal, friendlier, shorter or correct — or write it in their language.
- Smart mediatorA summary of the conversation, what the other person needs, and suggested replies you can edit.
- Private by designOnly your latest text messages are processed, once, and are not stored. Free uses every day.
Available now
Stay ready to connect.
One Tellu balance covers your international calls and travel data. Top up with a code, use one of the payment methods available in the app, or send part of your balance to a friend.
- One balance, clear historyEvery top-up and every call listed in your wallet.
- Share with familyTransfer balance to another Tellu user in seconds.
Available now
Stay connected beyond Wi-Fi.
Travelling? Pick a data plan for your destination before you leave and land connected — no hunting for a local SIM card. Track your remaining data right in Tellu.
- Choose a planBy country or region, fixed or by the day.
- Activate your eSIMInstall it from the app or with a QR code.
- ConnectSwitch on data roaming for the eSIM when you arrive.
Requires an eSIM-compatible phone. Plans and coverage are shown in the app.
Available now
Every language, even on a call.
Messages already cross languages — and so do your calls: read what the other person says, translated into yours, as they speak. Hearing it spoken in your language comes next.
Call translation
You say
Hello, how are you?
They read · Arabic
مرحبا، كيف حالك؟
Speech-to-Text
Dictate in a chat: speak, and your message is written for you.
LiveText-to-Speech
Have one message — or the whole chat — read aloud in a natural voice.
LiveSpoken voice translation
Hear the other person’s words spoken in your language during the call.
Coming soon
Privacy & security
Your conversations belong to you.
We designed Tellu to share as little as possible. Here is what that means in practice — stated plainly, without buzzwords.
Encrypted connections
Messages, calls and account data travel over encrypted connections between your phone and Tellu.
Your number stays private
Other people see your name and username — not your phone number or email.
Verified sign-in
Accounts are protected with one-time codes sent to your phone or email.
You decide who reaches you
Hide your online status and block anyone from messaging or calling you.
How it works
Up and running in two minutes.
Download & choose your language
Install Tellu and pick the language you want to read — and receive translations in.
Create your account
Verify your phone number or email and choose a username.
Take your first step
Create a Bridge, add your people, or make your first call.
Inside the app
Designed as one experience.
Every screen follows the same calm, clear design — in light and dark mode, in 14 languages.
What people say
Made for the calls that count.
Reviews from real Tellu users, sent in the app and published with their consent.
Get Tellu
The world is closer with Tellu.
Download Tellu and stay connected wherever you go.
Coming soon to theApp Store
Get it onGoogle Play