SLOW FAST SLOW
Control the Speed of Your iPhone Videos
Free!
Slow Fast Slow is a simple iPhone app that allows you to manipulate the speed of videos you shoot on your iPhone using an intuitive and fun interface.
If you need any help with this app, contact support@studioneat.com.
Control the speed of your videos with an interactive timeline.
Add and remove points on the timeline to refine your video's speed.

Trim, reverse, and even control the audio pitch of your videos.
Export at the original size, or square (perfect for Instagram).