It's popular among more than 100 million users worldwide. Vault is specially designed to protect your privacy by hiding your secret SMS, contacts, call logs, pictures and videos on your phone. 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.So if you are absent for too long, no one has access to your private information. You can set a timer to close application.

You can send unlimited free texts and multimedia files to another user.To open this secret message app, you need a password, and the default password is '1234'. You can customize notification icon/sound. The incoming/outgoing messages will be hidden automatically.After that when there are any new messages and calls from that contact, they will directly move inside this application. If you want to set the messages and calls of particular contacts as secret, you just need to add them as Private Contacts. It saves SMS/MMS/Call Logs of secret contacts behind PIN pad. This private messaging app can hide private conversations for you in case they are checked by others. Private Message Box: Hide SMS Supported OS: Android This secret messaging app also has basic functions like all other messaging apps, such as voice calls, group chats, file transfer and archive functionality.Ģ.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. Signal has a unique feature which is called self-destruct timer for messages.Signal is free and open-source, this feature doesn't make this private messenger easier to be hacked, but allows anyone to review its code and check its security at any time.Its end-to-end encryption protocol provides privacy protect for each of your messages.Please note that if you want to enjoy the encrypted feature of Signal, you and your friends both need to install this app. With Signal, you can communicate with your friends instantly without any SMS fees. Signal is widely regarded as the one of best encrypted messaging apps. Signal Private Messenger Supported OS: Android & iOS Find the 6 best secret messaging apps below which can help you do what you want. You may need to hide your text messages or send secret messages to a certain recipient out of different reasons. Everyone will have more or less secret and private information in mobile phone. The privacy scandals happened in the past few years have made people attach much more importance to their data security and privacy.

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