If you are too much concerned about privacy then try out BioProtect, tweak to password protect messages and photos app with TouchID on iPhone 7 Plus, 6S and 5S on iOS 10/10.2/10.2.1 without jailbreaking it.
Apple introduced an amazing feature called TouchID in iPhone 5S. It added an extra layer of security to iPhone. Latest the same feature was introduced in iPad and iPod Touch Touch. However, TouchID also lacked one important feature which Passcode also lacked. You cannot password protect or TouchID protect individual apps using it. By individual apps, I mean messages app, photos app, Facebook app, Twitter app etc.
Steps to TouchID Protect Messages and Photo App on iPhone without Jailbreaking It
This is where Cydia always come to fulfill iOS device owners needs. You asked and the feature was made available through a Cydia tweak. Known as BioProtect, this tweak allow iOS device owners that have TouchID feature to individually password protect messages, photos and other important apps. Great, isn’t it?
However, you will be wondering how to install it without jailbreaking your iPhone? Well, we do recommend installing Cydia tweaks from Cydia app store. The reason is stability and performance update. Since iOS 10.2 Yalu jailbreak is already available, it is recommended to jailbreak your iPhone using Yalu. Once you are done with jailbreaking, download BioProtect from Cydia.
If you do not want to mess with iOS 10, iOS 10.1.1 or iOS 10.2 files, you can also download BioProtect without jailbreaking your iDevice. In that case, you will find need to install vShare on your device. When it is installed, simply launch it and search for BioProtect there.
Some of the amazing feature of BioProtect tweak include cool fingerprint animations it offer. So if you were previously concerned about your privacy, look no further and install BioProtect app without jailbreaking. While passcode can be copied and cheated, but fingerprint cannot be hacked. This makes it almost impossible for others to look at your text messages or personal family photos.