Using a phone to shoot a basic interview can produce some outstanding results while avoiding having to deal with learning the all of the technical aspects of using fancier gear like DSLR cameras. Phones can also be great audio recorders!
These quick videos cover some basics on how to get the most out of your phone for shooting videos.
iMovie is available for free on Macs, iPads, and iPhones and has many built-in features like soundtracks and photo effects that make it easy to use.
Adobe's Premiere Rush app guide and tutorials are fairly comprehensive and include videos and screenshots. You may also want to check out this video tutorial:
If you are looking for more in-depth tutorials on creating videos, we have some Online SkillShops that cover the complete process. You will also earn a badge for each SkillShop you complete!