4 Best Private Messaging Apps


Table of Contents

Privacy is a crucial aspect of our online interactions in today’s digital age. With the increasing concerns about data breaches and surveillance, it’s essential to have private messaging apps that prioritize user privacy and security.

In this article, we will explore the best private messaging apps available, their features, installation instructions for Linux distros, and why they are excellent for secure communication. Whether you’re looking for a private messaging app without a phone number, the best option for iPhone, or an encrypted messaging app for Android, we’ve got you covered.

What Makes a Messaging App Privacy-Centric?

Before diving into the best private messaging apps, let’s understand the key features that make these apps stand out:

End-to-End Encryption: Protecting Your Conversations

One of the essential features of private messaging apps is end-to-end encryption. This technology ensures that only the sender and the intended recipient can access the content of their conversations. By encrypting messages on the sender’s device and decrypting them on the recipient’s device, end-to-end encryption prevents unauthorized access and provides high security.

No Phone Number Required: Anonymity Matters

For those seeking extra anonymity, some messaging apps allow users to create accounts without requiring a phone number. This feature is particularly valuable for individuals who want to communicate privately without disclosing personal information, such as phone numbers.

Strong Security Measures: Safeguarding User Data

Privacy-centric messaging apps prioritize security and implement strong measures to protect user data. Regular security updates, robust encryption algorithms, and secure protocols ensure your conversations and shared files remain confidential and inaccessible to unauthorized individuals or entities.

Open Source: Transparency and Trust

Open-source messaging apps allow independent security audits and expert code reviews, ensuring transparency and reducing the risk of hidden vulnerabilities or backdoors. Open-source projects are community-driven and benefit from the collective effort to ensure the app’s integrity and security.

Secure File Transfer: Protecting Your Shared Content

In addition, to secure messaging, privacy-centric apps often offer secure file transfer capabilities. Whether you need to share documents, images, or videos, these apps ensure that your shared content remains protected and private throughout transmission.

Signal: Leading the Privacy Revolution

Signal is widely regarded as the gold standard for private messaging apps. Developed by the non-profit Signal Foundation, Signal offers end-to-end encryption for text messages, voice calls, and video calls, ensuring that only the intended recipients can access the content.


Signal’s commitment to privacy and security has earned it a reputation for being one of the most secure messaging apps.

Installation Instructions for Linux

Installing Signal on Linux is a straightforward process. Follow the steps below:

Open the Terminal on your Linux distribution. 2.1.2 Run the following commands:

$ sudo apt update
$ sudo apt install signal-desktop

Once installed, launch Signal from the application menu.

Key Features of Signal

Signal offers several features that make it a top choice for privacy-conscious users –

End-to-End Encryption: Signal encrypts all communications, including text messages, voice calls, and video calls, ensuring that only the intended recipients can access the content.

Disappearing Messages: You can set messages to disappear automatically after a specified period, enhancing privacy and reducing the digital footprint.

Screen Security: Signal prevents screenshots and screen recording during sensitive conversations, providing an extra layer of privacy.

Safety Numbers: Signal uses safety numbers to verify the integrity of conversations, ensuring that your messages are not tampered with or intercepted.

Open Source and Source Code Audit: Signal is an open-source messaging app, which means its source code is publicly available for scrutiny. This openness allows independent security researchers and experts to review the code, identify vulnerabilities, and ensure its integrity.

Signal’s source code is audited regularly by security professionals to maintain high trust and security. The transparency of open-source software builds confidence in the app’s privacy features and reduces the risk of hidden vulnerabilities or backdoors.

Telegram: A Versatile and Secure Option

Telegram is another popular messaging app known for its robust security and extensive features. While end-to-end encryption is not enabled by default for all conversations, you can enable it for Secret Chats, ensuring secure one-on-one communication.

telegram private messaging apps

Telegram offers Linux, iOS, and Android versions, allowing seamless device communication.

Installation Instructions for Linux

Installing Telegram on Linux is a simple process. Follow the steps below –

Open a Terminal window on your Linux distribution. 3.1.2 Execute the following commands –

$ sudo apt update
$ sudo apt install telegram-desktop

Launch Telegram from the application menu after installation.

Key Features of Telegram

Telegram provides several features that contribute to its popularity among privacy-conscious users:

Secret Chats: You can have end-to-end encrypted conversations in Secret Chats, where messages self-destruct and cannot be forwarded.

Two-Step Verification: Telegram offers the option to enable two-step verification for an added layer of security when accessing your account.

Channel and Group Privacy Settings: You have control over the privacy settings of your channels and groups, allowing you to customize who can view and join them.

Cloud Storage: Telegram provides cloud storage for your files, ensuring they are easily accessible across devices while maintaining security.

Open Source and Source Code Audit: While Telegram is partially open source, its server-side code is not. The client-side code, which includes the apps for various platforms, is open source. However, the server-side code responsible for message routing and encryption is not publicly available. Telegram states that they keep the server-side code closed to maintain their unique combination of speed and security.

Threema: Privacy First, Always

Threema is an excellent choice for individuals seeking a messaging app that prioritizes privacy. It features end-to-end encryption for all messages, calls, and shared files, guaranteeing that your communication remains private. Threema does not require a phone number for registration, ensuring high anonymity.


Installation Instructions for Linux

Threema currently does not offer a native Linux client. However, you can use it on Linux by installing an Android emulator like Anbox and downloading the Threema Android app from the official website. Follow the steps below:

Install Anbox by following the installation instructions specific to your Linux distribution.

Download the Threema Android app from the official website.

Install the Threema app within Anbox following the regular installation of Android.

Key Features of Threema

Threema offers a range of features that prioritize user privacy and security –

Anonymous Registration: Threema allows you to create an account without providing personal information, ensuring anonymity.

ID Verification: Threema’s ID verification feature lets you verify the identity of your contacts through QR codes, enhancing trust in your communication.

Private Chats: Threema offers private chats with end-to-end encryption, ensuring that your messages and media files are protected.

Polls and Surveys: Threema allows you to conduct polls and surveys while ensuring participants’ privacy and their responses.

Source Code Audit: Threema’s source code is closed and not publicly available for independent security audits. However, Threema has undergone several third-party audits conducted by reputable security companies. These audits evaluate the security and privacy aspects of the app, identify vulnerabilities, and ensure the robustness of the encryption implementation. Threema’s commitment to privacy is further supported by its adherence to strict Swiss data protection laws.

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Wire: Secure Collaboration and Messaging

Wire combines the best of both worlds by offering secure messaging and collaboration tools for personal and professional use. It boasts end-to-end encryption, self-destructing messages, and secure file sharing, making it a top choice for privacy-conscious users.

Wire secure messaging app
Wire secure messaging app

Wire supports Linux, iOS, and Android, making it accessible on various platforms.

Installation Instructions for Linux

Installing Wire on Linux can be done by following the steps below:

Open a Terminal window on your Linux distribution.

Enter the following commands:

$ wget https://github.com/wireapp/wire-desktop/releases/download/linux%2F3.31.3060/Wire-3.31.3060_amd64.deb
$ sudo dpkg -i Wire-3.31.3060_amd64.deb

Launch Wire from the application menu after installation.

Key Features of Wire

Wire offers a range of features that prioritize security and collaboration:

Secure Messaging and Calls: Wire encrypts your messages, voice calls, and video calls, ensuring that your conversations remain private.

Secure Guest Rooms: Wire allows you to create guest rooms where external users can join securely without requiring an account.

Timed Messages: You can set messages to self-destruct after a specified period, adding more privacy to your conversations.

Secure Collaboration: Wire provides collaboration features, such as file sharing, document collaboration, and integrations with other tools, all while maintaining strong security measures.

Open Source and Source Code Audit: Wire is an open-source messaging app, and its source code is publicly available for review. The openness of Wire’s source code allows security researchers and experts to scrutinize it for vulnerabilities and ensure its integrity.

Wire has also undergone third-party security audits conducted by reputable firms to assess the effectiveness of its encryption protocols, server infrastructure, and overall security practices. The transparency of open-source software and external audits enhances user trust and confidence in Wire’s privacy and security features.


In an era where privacy is increasingly important, selecting the right messaging app can make all the difference in keeping your communications secure. The apps discussed in this article, including Signal, Telegram, Threema, and Wire, offer robust privacy features, end-to-end encryption, and cross-platform compatibility.

By prioritizing user privacy and security, these apps provide a secure environment for your digital interactions. Whether you need a private messaging app without a phone number, the best option for iPhone, or an encrypted messaging app for Android, these options will help safeguard your sensitive information and keep your communications private.

By opting for these privacy-centric messaging apps, you can enjoy peace of mind knowing that your conversations remain confidential and protected from unauthorized access or surveillance.

Frequently Asked Questions

What texting app can be hidden?

Several texting apps offer the option to hide or disguise their presence on your device. Here are a few examples –

PrivateMe: PrivateMe is an app that allows you to create a private space on your device to install and hide other apps, including texting apps. It provides a secure and hidden environment for your private messaging.

Calculator Vault: This app appears as a normal calculator on your device, but it also has a hidden feature that allows you to store and access private messaging apps within it. This way, the texting app remains hidden in plain sight.

Nova Launcher: Nova Launcher is a popular Android launcher that can hide apps from the app drawer. Using Nova Launcher, you can hide your texting app and access it through a hidden folder or gesture.

App Hider: App Hider is an app available for Android devices that allows you to hide and clone other apps on your device. Using App Hider, you can hide your texting app and access it through the cloned version in the hidden space.

It’s important to note that hiding apps may vary depending on your device and operating system. Additionally, some app-hiding methods may require additional permissions or third-party apps. Always ensure you download apps from trusted sources and consider the privacy implications of hiding apps on your device.

What is the private chat app without a phone number?

Signal is a popular private chat app that allows users to communicate without needing a phone number. It offers end-to-end encryption for all messages, voice and video calls, and file transfers.

Signal uses your existing contact list to connect you with friends and contacts with Signal installed. It provides a unique user identifier called a Signal PIN, which can be used to secure your account and enable you to switch devices without losing your data. This feature eliminates the need to share your phone number while ensuring secure and private communication.

How did we choose the best encrypted messaging app?

The process of choosing the best encrypted messaging apps involved considering several factors. Here’s a brief overview of the criteria used –

End-to-End Encryption: We prioritized apps that employ end-to-end encryption, ensuring that only the sender and recipient can read the messages.

Security Features: The apps were evaluated based on additional security features such as self-destructing messages, screen security, two-factor authentication, and secure file sharing.

Privacy Policy: We reviewed the privacy policies of the messaging apps to ensure they have strong commitments to user privacy and data protection.

User Experience: The ease of use, intuitive interface, and overall user experience were considered to determine apps accessible to a wide range of users.

Cross-Platform Compatibility: We considered apps that are available on multiple platforms, including iOS, Android, and Linux, allowing users to communicate seamlessly across different devices.

Reputation and Trust: The reputation and track record of the app developers and the level of trust they have gained within the privacy and security community were considered.

By assessing these factors, we were able to select the best encrypted messaging apps that provide a high level of privacy and security for users.