HiCalculator can hide your photos and videos behind a calculator. What everyone can see is just an ordinary calculator. Until you type in your secret passcode it became a private storage app in which you can hide your most secret photos, videos, and more. Some of the features: 1) Convenience: You can add your ‘SPECIAL’ photos&videos into HiCalculator , we provides many convenient ways: 1. From Photo App(Camera Roll) ; 2. From iTunes File Sharing Sync; 3. From WiFi Transfer; 4. From in App Camera; 2) Security: 1. secret passcode is needed when access photo&video privacy; 2. Decoy passcode to cover your real privacy; 3. Folder passcode - Further protection to keep people out of your private folders; 4. Hidden Folder - Special way to make files&folders invisible; 3) More than you can imagine: 1. Use as a normal calculator app; 2. Send files via email; 3. Export files to Camera Roll & Computer; 4. Sort flies by date/type/size/name; 5. Multiple formats Support: 6. Image: png,jpg,jpeg,bmp,gif,icon 7. Video: mov,mp4,mpv,3gp,avi,rmvb,wmv,mkv,flv; Please make sure to back up this app if you are upgrading via iTunes sync!