CinesoundFX Pro lets you choose between four different effects and sounds to apply to your videos, photos and sounds. Easy to use, you simply pick the effect and sound with a quick tap, then record your video and save it. After saving, you can send and share it with all of your friends via email, Facebook, YouTube or MMS.
You can also edit your footage in Final Cut, Movie Maker, and iMovie to make professional videos.
Special effects include: matrix FX, thermal FX, night vision FX, and black & white FX for video; high pitch, super high pitch, echo, and robotic for sound.
This app usually retails for $9.99/£6.99 but today it is available for only $0.99/£0.69/download here.
The simpler version of this app Cinesound FX. usually retails for $3.99/£2.99 but today that app is free. You can download it here.