TruchiChat
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Comparison

TruchiChat side by side with WhatsApp, Signal and Telegram, on what matters for your privacy. Also what they have and TruchiChat doesn’t

(Data on the other apps taken from their official documentation)

On your phone, swipe each table sideways to see the other apps.

Signing Up and Being Found

WhatTruchiChatWhatsAppSignalTelegram
What you need to create an accountA name. No phone number or emailA phone number sourceA phone number sourceA phone number source
How someone finds youOnly with an invitation from you, a single-use QR code. There’s no searchBy your number or your username sourceBy your number, if you allow it, or by a username you share yourself. There’s no directory sourceBy your number or your username, in its search source

Encryption

WhatTruchiChatWhatsAppSignalTelegram
End-to-end encrypted messagesAlwaysAlways sourceAlways sourceOnly in secret chats. Regular chats are encrypted up to its server source
End-to-end encrypted callsYes, voice and videoYes sourceYes sourceYes source
How it encryptsPublic algorithms (X25519, ChaCha20-Poly1305 and Ed25519) combined by TruchiChat, with no outside auditWith the Signal protocol sourceWith its own protocol, published and well studied sourceWith MTProto 2.0, its own protocol source
Open sourceNo: the code is privateNoYes sourceThe apps are, with reproducible builds source

What Stays on the Server

WhatTruchiChatWhatsAppSignalTelegram
Messages not yet deliveredEncrypted, and deleted after 24 hoursEncrypted, for up to 30 days sourceEncrypted, queued until delivered sourceRegular chats are stored in its cloud; secret ones aren’t source
Where your history isOnly on your phoneOn your devices, with an optional cloud backup you can encrypt sourceOn your devices sourceIn its cloud, so you can see it from any device source

What They Have and TruchiChat Doesn’t

TruchiChat does fewer things on purpose: each of these would mean storing something more about you, on the server or in a cloud

WhatTruchiChatWhatsAppSignalTelegram
GroupsNo, on purpose: chats are between two peopleYes sourceYes sourceYes, up to 200,000 people, and channels source
Computer and other devicesNo: one phone per accountYes, linked devices sourceYes, linked computer and tablet sourceYes, all at the same time source
Moving your chats to a new phoneNo: chats never leave your phoneYes, with the cloud backup sourceYes, phone to phone or with its encrypted backup sourceYes, they’re in its cloud source

What TruchiChat Has

Where there’s no source, it’s because we didn’t find it in their documentation

WhatTruchiChatWhatsAppSignalTelegram
Disguising your voice in voice notesYes, note by note, on the phoneWe didn’t find itWe didn’t find itWe didn’t find it

Who’s Behind It

WhatTruchiChatWhatsAppSignalTelegram
Who makes it and how it’s paid forA small, independent team, with its own server. Free, no adsMeta sourceA nonprofit foundation, funded by donations sourceTelegram, with an optional paid subscription source

About the Code

TruchiChat’s code is private. Your security doesn’t depend on that: your messages are encrypted on your phone with public, well-studied algorithms, the key never leaves it and the server only sees sealed envelopes. And you can check your contact with their safety number.

Signal is open source: anyone can read its apps and its server. Telegram publishes the code of its apps. With TruchiChat that isn’t possible, and no outside party has audited it. If that matters most to you, Signal is the better choice.

Each One Has Its Place

All four encrypt your messages. TruchiChat is for talking privately with people you already know, without giving out your number and with almost nothing left on any server. If you need groups, multiple devices or your history in the cloud, the others do that and TruchiChat doesn’t.