Best Threema Apps

4.2😊(728 ratings)

$6.99

#2in Social Networking

Threema. The Secure Messenger screenshot 1

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This secure messenger prioritizes privacy with end-to-end encryption for all communications and file sharing. It uses a unique ID for anonymous use, eliminating the need for phone numbers or emails. Enjoy private chats, calls, and file transfers with no ads or data collection.

What We Love

🔒 Secure messaging
👍 Easy to use
🚀 Fast and reliable
💡 Anonymous ID instead of phone number
🔒 Based in privacy-friendly Switzerland
👍 Clean and polished interface

Room to Improve

🐛 Unreliable video/voice calls
🐛 Inconsistent notification delivery
🐛 Bugs and crashes after updates
🔒 Lack of auto-delete/expiring messages
👎 Limited emoji/reaction options
🐛 Difficulty transferring data to new devices

Threema Work. For Companies by Threema GmbH

Secure Business Messenger

Strong Contender

3.9(28 ratings)

Free

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A secure, GDPR-compliant communication platform for businesses offering end-to-end encrypted text, voice, and video calls. It supports file sharing, group chats, and advanced administrative controls for enhanced team collaboration and data protection.

Signal - Private Messenger by Signal Messenger, LLC

Say “hello” to privacy.

Worth Considering

Session - Private Messenger

4.7😊(1.1M ratings)

FreeIn-App Purchases

#11in Social Networking

A private messaging app focused on security and end-to-end encryption. It allows free text, voice, and video communication, with features like disappearing stories and large group chats. Built by a non-profit, it prioritizes user privacy above all else.

What We Love

🔒 Security and privacy
👍 Ease of use
🚀 Great call quality
🚀 Smooth and pleasant user interface
🔒 End-to-end encryption
🔒 Non-profit ownership

Room to Improve

🐛 Delayed message delivery
🐛 Inconsistent image/video quality
🐛 Buggy call functionality
🐛 Inability to edit sent messages
🐛 Unreliable notifications
🔒 Mandatory contact sharing

More Threema apps to explore

Privacy you can trust

Fully private account creationDecentralized server networkNo metadata logging

A private messenger focused on user data protection through a decentralized network. It offers secure, end-to-end encrypted communication without requiring personal information for account creation. Enjoy private group chats and secure file sharing with no ads or trackers.

Self-Hosted Business Messaging

Self-hosted for complete data sovereigntyEnd-to-end encrypted communicationSecure voice and video calls

This secure messaging solution offers organizations complete data sovereignty by hosting on their own servers. It provides end-to-end encrypted communication for teams, including voice and video calls, and secure file sharing. The platform ensures confidentiality for sensitive government and industrial communications.

Fast. Secure. Powerful.

Fast and secure instant messagingCross-device synchronizationUnlimited media and file sharing

A fast, secure, and feature-rich instant messaging application. It offers end-to-end encryption for private chats, large file sharing, and group chats with up to 200,000 members. The app is designed for reliability, even on weak mobile connections, and provides extensive customization options.

(286K)

freemium

Therma: Private Journal

60-second mood check-in

AI-powered insightsPrivate journalingEmotional tracking

This app provides a private space for journaling and emotional reflection. Advanced AI analyzes your entries to offer personalized insights and identify mood patterns, helping you achieve better mental clarity and balance.

💪 Health & Fitness

(10)

freemium

Group messaging & calling

Group messaging and callingEnd-to-end encryptionHD photo and video sharing

Connect with friends and family through messaging, voice, and video calls. Organize groups, share media, and make plans easily. Enjoy private conversations with end-to-end encryption across multiple devices.

(19M)

Threads

Join the conversation

Start and share threads with text, images, and pollsJoin discussions and reply to conversationsDiscover trending topics and moments

Connect with others and discover conversations on a platform designed for real-time discussions. Share your thoughts, join existing threads, and explore communities based on your interests. Control your experience with customizable privacy settings and direct messaging options.

(2.4M)

oChat: Chats & Groups

Designed for coolest places

A secure messaging app that prioritizes privacy and ease of use. Sign in with Apple or Google without a phone number or password. Enjoy end-to-end encrypted chats and groups with verifiable keys.

DuoFace - Private Messenger

💼 Business

(0)

Secure. Anonymous. Private.

End-to-end message encryptionAnonymous communication via Duo NumbersNo ads or trackers

This secure messaging app prioritizes your privacy with end-to-end encryption and anonymous communication. It offers a clean, ad-free experience, allowing you to chat without revealing personal contact information.

JusTalk - Video Chat & Calls

(3)

free

Meet Happy, Share the Moment

High-quality voice and video callsDual Capture and DuoFace video sharingVideo call effects and filters

Connect with friends, family, and colleagues globally through high-quality voice and video calls, instant messaging, and interactive features. Share moments, play games, doodle together, and express yourself with fun effects and stickers.

(77K)

Ziggs - Private Messenger

peer-to-peer Messenger

Anonymous Q&A for conferencesSecure team and friend sharingMarkdown support for developers

This app facilitates secure and anonymous communication for various scenarios, from team collaboration to public Q&A sessions. It allows for the transfer of various file types without quality loss and supports markdown for developers. Users can connect without revealing personal contact information.

Chats, tasks & team for hotels

iMe: Telegram AI Messenger

📊 Productivity

(0)

Next-level AI chats

Next-gen AI AssistantPassword-protected hidden chatsBuilt-in antivirus

This app combines secure messaging with an advanced AI assistant. It offers features like text and image generation, chat summarization, and smart translation. Enhance your communication and productivity with its privacy tools and customization options.

(9.7K)

Quick Actions for Threema - A shortcut to Threema right from your Homescreen!

by Jan-Niklas FREUNDT

$1.99

This app allows you to send Threema messages and start chats directly from your homescreen. Save frequently used text messages for quick access and send them with a single swipe.

Send Threema messages from HomescreenNotification Center WidgetStart Threema chats quickly

Text, audio and video calls

Text, audio, and video callsHigh-definition photo sharingShared photo albums

Connect with friends and family through text, audio, and video calls. Share photos in high definition, create shared albums, and send large files. Features an AI assistant for instant answers and creative image generation.

Share 100% Encrypted Message

Nicegram: Dual Telegram x AI

(0)

Multi Account Chat Messenger

Multiple Telegram accountsAI assistant for summaries and draftingIn-chat translation

Manage multiple Telegram accounts in one app, enhanced with AI for productivity and translation. Offers advanced messaging tools and call recording. This unofficial client extends Telegram's functionality for iPhone and iPad users.