The privacy scandals happened in the past few years have made people attach much more importance to their data security and privacy. Everyone will have more or less secret and private information on their mobile phones. You may need to hide your text messages or send secret messages to a certain recipient for different reasons. Here are 6 best private messaging apps below that can help you do what you want.

Top 1: Signal

Supported OS

Android & iOS

Basic Info

Signal is widely regarded as one of best encrypted messaging apps just as its tenet shows - Say hello to privacy. Instead of being social interaction-oriented, its goal is secure, encrypted, and unmonitored communication.

With Signal, you can communicate with your friends instantly without any SMS fees. But you need to note that if you want to enjoy the encrypted feature of Signal, you and your friends both need to install this app.

Main Features

• Its end-to-end encryption protocol provides privacy protection for each of your messages.
• Signal is free and open-source. This feature will not make this private messenger more vulnerable to hacker attacks. On the contrary, it allows anyone to view its code and check its security at any time.
• There is a unique feature called the message self-destruct timer. If you don't want to keep a record of the messages you have sent before, you can set a timer to make the messages self-destruct when the time comes.
• This secret messaging app also has basic functions like all other messaging apps, such as voice calls, group chats, file transfer, and archive functionality.

Top 2: Private Message Box

Supported OS

Android & iOS

Basic Info

This private messaging app can hide private conversations for you in case they are checked by others. It saves SMS/MMS/Call Logs of secret contacts behind PIN pad. If you want to set the messages and calls of particular contacts as secret, you just need to add them as Private Contacts. After that when there are any new messages and calls from that contact, they will directly move inside this application.

Main Features

• The incoming/outgoing messages will be hidden automatically. You can customize notification icon/sound. To open this secret message app, you need a password, and the default password is "1234".
• You can send unlimited free texts and multimedia files to another user.
• You can set a timer to close application. So if you are absent for too long, no one has access to your private information.
• It can hide your mail box with no app icon on your screen, so that your mail box cannot be seen or opened by others.

Top 3: Vault

Supported OS

Android and iOS

Basic Info

Vault is specially designed to protect your privacy by hiding your secret SMS, contacts, call logs, pictures, and videos on your phone. It is specifically designed for the secure storage and access of sensitive information. It's popular among more than 100 million users worldwide.

Main Features

• You can easily hide and protect your SMS with this private messaging app.
• Once you set particular contacts as private, all the text messages and calls from them will be hidden automatically.
• Lock the apps on your iPhone as you like with App Lock.
• The Vault app itself can disappear from your screen when you open the Stealth Mode. Thus no one will know that you have installed this application. You can bring it back with correct password.
• The Break-in Alerts will secretly snap a picture of anyone who attempts to access with a wrong password.

Top 4: CoverMe

Supported OS

Android & iOS

Basic Info

If you are looking for an application to hide your text messages and calls, CoverMe is worth to try. It can private your texts and calls without any record on your phone bill. This secret messaging app also uses end-to-end encryption technology to better protect your information security and privacy.

Main Features

• Private phone number as new line

When you are sending text messages or phone calls, it also assigns you a new number to cover your original number. This feature is special and unique, CoverMe provides numbers with various area codes, which is perfect for business, dating and more.

• Make sent messages disappear

You will immediately know when your private messages are read by the recipients. And you can make the sent messages disappear once they are read without the worry that your secret messages will be spread around or stored. Moreover, you can recall a message or photo that is sent by mistake.

• Shake to hide secret text messages

You can easily hide private text messages by shaking your phone to the lock & login screen. With decoy passwords, even if someone enters your CoverMe, he cannot read you private messages or secret SMS. CoverMe will take a picture of any other people who tries to assess this app.

Top 5: Session

Supported OS

Android & iOS

Basic Info

Session is a truly private messaging app that focuses on anonymity and security. Built on a decentralized network, Session allows you to send messages without your phone number or email. It’s designed for users who want complete privacy and freedom from centralized data collection.

Main Features

• No Phone Number or Email Required

Unlike most messaging apps, Session doesn’t ask for your personal information. You can keep your identity completely anonymous.

• End-to-End Encryption & Decentralized Network

Session uses the Signal encryption protocol combined with a decentralized network, ensuring that no central server stores your data or metadata. No one can track your communications.

• Secure Group Chats and File Sharing

You can start group chats and share photos, videos, or files securely. All content remains encrypted and never passes through a centralized server.

• Cross-Platform Support

Whether you’re on desktop or mobile, Session keeps your messages synchronized, maintaining the same high level of privacy protection at the same time.

Top 6: Viber

Supported OS

Android & iOS

Basic Info

Viber is also a good secret messaging app that deserves your try. With a variety of messaging and calling features, Viber enables you to make audio and video calls, set group chats, send text messages with thousands of expressive stickers and GIFs at no cost.

Main Features

• Viber also takes advantage of end-to-end encryption technology to protect your privacy better.
• Viber server will not save your messages once they are delivered to the recipients successfully. If there is an issue with message delivery, it remains the message encrypted until the receiver eventually gets it.
• There is a feature called secret chats, if you add a contact to secret chat, you can set a countdown to make the sent messages destruct automatically. Before that you also need to set a time limit for your messages to stay accessible. The timer will start as soon as your message is opened or read.
• Hide your texts of a secret contact to make them invisible by others. The hidden chats will be stored in a separate section of the app and protected by a PIN you set. After that, when you receive a message from a hidden chat, you will get an empty, generic notification about a new message.

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