To reverse a video on your iPhone, you'll need to use a third-party app like Reverse Vid to edit and save recorded video in reverse.

To reverse a video, I will be using Reverse Video. As its name implies, it is a dedicated app that reverses your videos backward on Windows 10. You can watch video clips in reverse motion as well ...

For instance, Best of 2015 app Videoshop ups the ante (for just $1.99), letting user add music, sound effects, and voiceovers, as well as create slow, fast motion, or even reversed videos.