This calculator looks like and can be used exactly as the system calculator on your iPhone/iPad, but actually hides your private photos, videos and files behind the calculator interface. The secret storage can be accessed only when you enter your particular digit-passcode.
This app has the best in class user experience compared with other similar ones, if you’ve already tried some.

Some Major features you might use under certain circumstances:
Security:
-Genuine Passcode: opens your genuine secret space
-Decoy Passcode: opens a fake folder if you are threatened to disclose a passcode.
-Erase-all Passcode: used only when you are threatened and decide to erase all secret files

Photos:
-support a unique 3D Photo browser with amazing visual effects.

Videos:
-The media player can decode up to 150 media formats, such as mov, mp4, m0v, m1v, m2v, m3v, m4v, rm, rmvb, avi, wmv, 3gp, asf, mkv, flv, f4v, divx, mpeg1-mpeg4, vob, vcd/svcd, dat, mts...... You can import and play almost any media file.

Voice Recorder:
-This app embeds a voice recorder. You can record on the calculator keyboard. In the settings tab, you can configure audio channel/quality/bitrate. It also supports lossless recording.

File Import/Export:
-You can import/export via iPhone camera roll or via an embedded WiFi server.

If you have any problem with the app, please contact: [email protected]