Signal, Olvid, Threema, Element and Session are the most secure messaging apps in 2025. They are available in Google Play and App Store and you can make the most out of them in just a few minutes.
These are secure messaging apps that offer a great encryption method in 2025. They use end to end encryption, open source code and a great set of privacy features. The giants of messaging like Whatspp and Telegram are losing terrain to these apps.
The most secure messaging apps for 2025
Digital privacy is one of the most important aspects for a messaging app nowadays. That’s why this article explores the top 5 of most secure messaging apps you can download if you want to try an alternative to WhatsApp or Telegram.
There are more than 10 messaging apps with thousands and millions of users around the world. But security is not the main feature they excel at. In this list you will find the 5 most secure apps to exchange your messages and files from your Smartphone.
Signal open source privacy
Signal is one of the reference apps for secure messaging. It uses an end to end encryption protocol. All the communications are automatically encrypted in text, calls or videocalls. Signal servers can’t access the content and the app doesn’t save chat metadata. The app code is available on public repositories and any user can audit it.
Independent audits allow for a more transparent and secure app. In Europe, Signal is one the fastest growing apps in 2025. It has 70 active monthly users and more than 220 million downloads since 2014. It’s a great alternative for millions of users all around the world.
Olvid app for anonymity and without the need of a phone number
Olvid is a French app that doesn’t require a phone number or e-mail address for registration. It uses an anonymous identification number. The mobile versions of the app include CSPN (Security Visa) certificates provided by the National System of Information Security Agency (ANSSI) in 2020 and 2021. It’s an exclusive recognition for instant messaging apps.
Another advantage of Olvid is the complete absence of ads. It’s a SPAM free app and there’s no data recompilation or content promotion. A great alternative for those who want privacy and easy to follow chats.
Threema Swiss security among the most secure messaging apps in 2025
Threema is a Swiss app that doesn’t require personal data. You need to pay one time to download it and start chatting. The servers are located under Swiss legislation and comply with the European RGPD. This is a full guarantee for users privacy in legal and technical terms. The app includes a mobile version as well as an online client from your browser and a desktop version.
Element Matrix based decentralized messaging
Element was formerly known asa Riot im. It makes use of the Matrix protocol an open and federated standard that lets you choose your own server to chat. The decentralized focus combines the flexibility of multiple interconnected networks with end to end encryption and advanced privacy features.
Session forced anonymity and blockchain technology
Session messaging app is far away from standard models as it goes without any personal data for registration. It uses an alphanumeric identification code with 66 characters. The messages travel through a decentralized node network of the Oxen blockchain. It includes an onion routing typology similar to Tor and avoids any node to know origin and destination at the same time.
In 2025 the most secure messaging apps are a necessity for most of the users. Thanks to these 5 apps you can share your conversations without risks. It’s a matter of time before other popular apps like Telegram or WhatsApp start including some of these features.