✨ New QuantumMsg v31 available

Private messaging with voice, photos, and HD calls

QuantumMsg lets you chat with Gmail contacts, send voice notes and photos, make calls, and keep messages temporary with automatic deletion every 6 hours.

View features
Active session. You can open QuantumMsg.

See QuantumMsg before entering

Three real-looking app previews, recreated as responsive interface panels so their text changes with the selected language.

Add contacts
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QuantumMsg
☰ Menu
Add contact
friend@example.com
Add
JL
Demo contact
contacto.demo@ejemplo.com
Profile complete
R5
Test account
usuario.prueba@ejemplo.com
Profile complete
Privacy menu
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App installed
PrivacyChat settings

Change the QuantumMsg theme. Blocking options appear when you open a chat.

🌙 Turn on dark screen
Sign out
Contact list
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QuantumMsg
☰ Menu
Your contacts
JL
Demo contact
contacto.demo@ejemplo.com
Profile complete
R5
Test account
usuario.prueba@ejemplo.com
Profile complete

Main features

This page shows new users what the app offers before entering the chat.

💬

Private chat

Add contacts by Gmail address and talk in private conversations.

🎙️

Voice notes

Press and hold Send to record audio, then release to send it.

📷

Photos

Share photos from the file button inside the conversation.

☎️

HD calls

WebRTC audio calls with noise suppression, echo cancellation, and auto gain when the device supports it.

🔔

Visual notifications

Red bell for unread messages and check marks for sent, received, and seen.

Temporary messages

Messages, audio, and photos are automatically deleted after 6 hours in the app backend.

Updates

Use this section to show new changes before users create an account.

1
Home screen with contacts.

The app opens with a contact list and a red bell when there are unread messages.

2
Chat with back arrow.

Inside a conversation, you can return to contacts with the green arrow.

3
Improved privacy.

6-hour temporary messages and a privacy menu to block contacts or change theme.

Start in 3 steps

A user only needs to open this page, use Google, and enter QuantumMsg.

Create your account

Press Create free account and sign in with Google.

Complete your profile

QuantumMsg uses your Google photo and asks for your name, birthdate, and optional phone number.

Start chatting

After login, you enter the application automatically.

Ready to enter?

Use Google to create a secure session. If you already have an open session, we send you straight to QuantumMsg.