A free program for iPhone, by Path 36.

Splice is an award-winning app for editing and creating videos. Splice is one of the best video editing apps for iPhone and iPad. Splice has powerful editing tools such as trim, cut, and crop. It also allows you to add slow motion effects, and overlay multiple clips to create beautiful videos you’ll love to share. Splice is designed to be fast and easy to use, even if you’re a beginner. It has a simple design and a powerful editing engine that’s easy to understand.

Trim, cut, and crop your photos and video clips.

Choose from 6,000+ royalty-free tracks from Artlist and Shutterstock libraries.