Have you ever left your Android mobile to a friend or relative and you have realized that it was not the best idea? You probably have conversations that you don't want other people to read, so an android app to block access to certain applications, such as Whatsapp, may be ideal for you.
Here are a few options to prevent your whatsapp conversations, can reach the hands of others and of course, extend the use of this application, to others that are sensitive to foreign gazes...
Applications to lock WhatsApp with a PIN and other installed apps
protect whatsapp
This app allows you lock with a PIN both WhatsApp and other chat applications. Also for security, it is protected so that you cannot uninstall it by mistake or that some outside hand wants to remove it to access whatsapp or apps that it blocks.
ChatLock +
It has an unattractive design, but the reality is that it is easy to use and very effective. Like the previous one, it is not only intended for block WhatsApp, but also works with other chat applications, so all your conversations are safe.
ChatLock+ recognizes the apps you have installed on your phone that you will be able to activate the PIN lock. When you start the application for the first time, it will be necessary to configure a PIN to be able to use it, although later you can change it whenever you want.
CM Security AppLock
We are not talking on this occasion about a simple application to block your WhatsApp conversations with a PIN, but about a fairly complete software, with a large number of different security options, among which is that of put a PIN to prevent them from entering our WhatsApp conversations. Easy to use and complete, little more can be asked of it.
AppLock
Lock (AppLock), which is the name it has on Google Play, is another application with which you can protect any app using a PIN. AppLock is not just a simple PIN on top of WhatsApp, it is a complete center from which to control the privacy of your apps. You can also protect installations or uninstallations of applications, as well as connections to WiFi networks. All this in a style following the appearance of Material Desing.
When you want to block an application, all you have to do is click on it and you will see how a closed padlock appears next to it. Yes, if you have Android 5.1 It is important that you have to give it permissions to control the applications.
If you have tried any of these applications, you have at your disposal our comments section, where you can give us your opinion about these or other apps to block access to other apps.