Best Threema Apps

40+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated August 2026

If you already know Threema. The Secure Messenger, this is the deeper bench. 40+ threema apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Threema Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Threema. The Secure MessengerThreema. The Secure Messenger$6.994.3★ (697)NoNoAug 2026
2Threema Work. For CompaniesThreema Work. For CompaniesFree3.9★ (27)NoNoAug 2026
3Signal - Private MessengerSignal - Private MessengerFree4.7★ (1.1M)NoYesAug 2026
4Session - Private MessengerSession - Private MessengerFree4.3★ (4.6K)NoNoAug 2026
5WhatsApp MessengerWhatsApp MessengerFree4.7★ (18M)YesYesAug 2026
6Telegram MessengerTelegram MessengerFree4.0★ (276K)NoYesAug 2026
7BookMyShow | Movies & EventsBookMyShow | Movies & EventsFree4.8★ (14K)NoYesAug 2026
8Threema OnPremThreema OnPremFree5.0★ (2)NoNoAug 2026

Top Picks for Threema

Threema. The Secure Messenger#1

Threema. The Secure Messenger by Threema GmbH

Secure. Anonymous. Private.
Editor's Choice
🌐 Social Networking
4.3😊(697 ratings)
$6.99
#1in Social Networking
Threema. The Secure Messenger screenshot 1
Threema. The Secure Messenger screenshot 2
Threema. The Secure Messenger screenshot 3
Threema. The Secure Messenger screenshot 4
Threema. The Secure Messenger screenshot 5
Threema. The Secure Messenger screenshot 6

This secure messenger prioritizes privacy with end-to-end encryption for all communications. It uses a unique ID instead of personal information, leaving no data trail and offering anonymous use. Enjoy private chats, calls, and file sharing without ads or trackers.

What We Love

  • 🔒 Secure messaging
  • 👍 Easy to use
  • 🚀 Fast and reliable
  • 💡 Anonymous ID instead of phone number

Room to Improve

  • 🐛 Unreliable video/voice calls
  • 🐛 Inconsistent notification delivery
  • 🐛 Bugs and crashes after updates
Threema Work. For Companies#2

Threema Work. For Companies by Threema GmbH

Secure Business Messenger
Strong Contender
🌐 Social Networking
3.9(27 ratings)
Free
Threema Work. For Companies screenshot 1
Threema Work. For Companies screenshot 2
Threema Work. For Companies screenshot 3
Threema Work. For Companies screenshot 4
Threema Work. For Companies screenshot 5
Threema Work. For Companies screenshot 6

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#3

Signal - Private Messenger by Signal Messenger, LLC

Say “hello” to privacy.
Worth Considering
🌐 Social Networking
4.7😊(1.1M ratings)
FreeIn-App Purchases
#11in Social Networking
Signal - Private Messenger screenshot 1
Signal - Private Messenger screenshot 2
Signal - Private Messenger screenshot 3
Signal - Private Messenger screenshot 4
Signal - Private Messenger screenshot 5
Signal - Private Messenger screenshot 6

This messaging app prioritizes your privacy with strong end-to-end encryption for all communications. It offers free text, voice, and video messaging, including group chats and disappearing stories, all without collecting your data.

What We Love

  • 🔒 Security and privacy
  • 👍 Ease of use
  • 🚀 Great call quality
  • 🚀 Smooth and pleasant user interface

Room to Improve

  • 🐛 Delayed message delivery
  • 🐛 Inconsistent image/video quality
  • 🐛 Buggy call functionality

More Threema apps to explore

4
Session - Private Messenger
Session - Private Messenger
Session - Private Messenger
Privacy you can trust
Free

This secure messenger prioritizes your privacy with a decentralized network and end-to-end encryption. It offers anonymous account creation, IP address protection, and private group chats without collecting any metadata. Share messages and files with confidence, knowing your communications are truly private.

Anonymous account creationDecentralized server networkNo metadata logging
🌐 Social Networking
(4.6K)
free
5
WhatsApp Messenger
WhatsApp Messenger
WhatsApp Messenger
Simple. Reliable. Private.
Free

Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.

End-to-end encrypted messagingHigh-quality voice and video callsGroup chats and calls
🌐 Social Networking
(18M)
free with in-app purchases
6
Telegram Messenger
Telegram Messenger
Telegram Messenger
Fast. Secure. Powerful.
Free

A fast, secure, and powerful instant messaging app synced across all devices. It offers unlimited media and file sharing, robust encryption, and extensive group chat capabilities. Enjoy a simple, private, and customizable communication experience.

Cross-device synchronizationUnlimited file and media sharingEnd-to-end encrypted secret chats
🌐 Social Networking
(276K)
free with in-app purchases
7
BookMyShow | Movies & Events
BookMyShow | Movies & Events
BookMyShow | Movies & Events
Movie, Events & Sports Tickets
Free

Discover and book tickets for a wide range of live entertainment, from blockbuster movies and concerts to sports and theatre. Explore local events, find family activities, and enjoy exclusive deals on food and tickets. Stream movies without a subscription by renting or buying titles.

Book movie ticketsDiscover live eventsFind sports and theatre shows
🎬 Entertainment
(14K)
free with in-app purchases
8
Threema OnPrem
Threema OnPrem
Threema OnPrem
Self-Hosted Business Messaging
Free

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, all protected by PIN or fingerprint.

Self-hosted solutionComplete data sovereigntyEnd-to-end encrypted calls
🌐 Social Networking
(2)
free
9
EXTRA SAFE: Encrypted Chat
EXTRA SAFE: Encrypted Chat
EXTRA SAFE: Encrypted Chat
Anonymous chats and P2P calls
Free

Communicate securely with end-to-end encrypted messaging and self-destructing messages. Enjoy anonymous voice and video calls with P2P connections and on-device encryption keys. Prioritizes privacy with identity-free setup and no metadata collection.

End-to-end encrypted messagingSelf-destructing messages and filesAnonymous P2P voice and video calls
🌐 Social Networking
(81)
free
10
Threads
Threads
Threads
Join the conversation
Free

Connect and share your thoughts on a platform designed for conversation. Discover trending topics, join communities based on your interests, and engage in discussions through text, images, and polls. You can also control your experience with privacy settings and direct messaging.

Start conversations with text, images, polls, and moreJoin discussions through repliesStay updated on trending topics
🌐 Social Networking
(2.2M)
free with in-app purchases
11
Gmail - Email by Google
Gmail - Email by Google
Gmail - Email by Google
Secure, fast & organized email
Free

This application provides a secure and efficient email experience with advanced features like spam blocking, smart replies, and multi-account support. It integrates with other Google services for enhanced productivity and collaboration.

Robust security & spam blockingReal-time notificationsMultiple account support
📊 Productivity
(2.4M)
free with in-app purchases
12
Duo Messenger
Duo Messenger
Duo Messenger
Secure. Anonymous. Private.
Free
$0.99 | 100% OFF

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.

End-to-end message encryptionAnonymous communication via Duo NumbersNo ads or trackers
🌐 Social Networking
(3)
free
13
Nicegram: AI for Telegram X
Nicegram: AI for Telegram X
Nicegram: AI for Telegram X
Secure Chat, Private Messenger
Free

Enhance your messaging experience with an AI-powered companion for secure and private communication. Manage multiple accounts, utilize advanced AI chatbots for summaries and translations, and enjoy unique features like private chats and offline media saving.

Unlimited Telegram accountsBuilt-in Web3 walletAI chatbot assistance (GPT-5, Gemini, Claude)
🌐 Social Networking
(21K)
free with in-app purchases
14
iMe: Telegram AI Messenger
iMe: Telegram AI Messenger
iMe: Telegram AI Messenger
Next-level AI chats
Free

This app combines secure messaging with a powerful AI assistant. Get answers, generate content, translate conversations, and manage your chats efficiently. It offers advanced privacy features and personalization options.

AI Assistant for questions and content generationImage generation from textAccess to multiple AI models (ChatGPT, Gemini, Claude, Grok)
🌐 Social Networking
(8.8K)
free with in-app purchases
15
Messengers: 2nd Web Chat App
Messengers: 2nd Web Chat App
Messengers: 2nd Web Chat App
Dual Messenger For WhatsApp
Free

Manage multiple messaging accounts from one app on your iPad. Features include Face ID lock, AI assistance for chat and image generation, and integrated file downloads. Offers a secure and intuitive way to handle all your conversations.

Multi-account supportFace ID and password protectionAI chat and image generator
🌐 Social Networking
(53)
free with in-app purchases
16
JusTalk - Video Chat & Calls
JusTalk - Video Chat & Calls
JusTalk - Video Chat & Calls
Meet Happy, Share the Moment
Free

Connect with loved ones through high-quality voice and video calls, instant messaging, and interactive features. Share moments, play games, and doodle together in real-time. Offers a secure and convenient communication platform for individuals and families.

High-quality voice and video callsWalkie Talkie (Push-to-Talk)Real-time interactive games
🌐 Social Networking
(75K)
free with in-app purchases
17
Messages
Messages
Messages
by Apple
Free

Communicate with contacts through unlimited texts, photos, videos, and documents. Supports iMessage for Apple devices and RCS, SMS, and MMS for others. Features include message editing, unsending, and scheduling.

Send unlimited texts, photos, videos, and documentsiMessage, RCS, SMS, and MMS supportEdit and unsend messages
🌐 Social Networking
(32K)
free
18
Kedr
Kedr
Kedr
Anonymous and safe messenger
Free

An encrypted messenger prioritizing anonymity and security for texting, video calls, and file sharing. It doesn't link to your phone number or access personal data. Create a nickname to connect with others.

Anonymous textingEncrypted video callsSecure file sharing
🌐 Social Networking
(5)
free
19
Quick Actions for Threema - A shortcut to Threema right from your Homescreen!
Quick Actions for Threema - A shortcut to Threema right from your Homescreen!
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
🌐 Social Networking
(3)
paid
20
Ziggs - Private Messenger
Ziggs - Private Messenger
Ziggs - Private Messenger
peer-to-peer Messenger
Free

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.

Anonymous Q&A for conferencesSecure team and friend sharingMarkdown support for developers
🌐 Social Networking
(2)
free

FAQ about Threema

What are the best threema apps for iPhone?
Threema. The Secure Messenger tops our threema apps ranking as of August 2026, with a 4.3-star average from 697 App Store ratings, and it's priced at $6.99.
Yes — 18 of the top threema apps we rank are free to download, including Threema Work. For Companies and Signal - Private Messenger.
Threema. The Secure Messenger has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 40+ threema apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Threema is a secure messenger designed with privacy and data protection in mind. It offers end-to-end encrypted text and voice messages, calls, and file sharing. It uses a unique Threema ID for identification, allowing for anonymous use and leaving no data trail.
All communications on Threema are end-to-end encrypted. It is open source, undergoes regular audits, and its servers are located in Switzerland. It does not require a phone number or email address, and messages are deleted from the server immediately after delivery.

Related searches