What is Stop Motion Studio and How Does It Work? Best Tips and Tricks — from techlearning.com by Luke Edwards
Stop Motion Studio is a movie maker that’s easy to use and ideal for students and teachers

Excerpt:

Stop Motion Studio is an app that makes turning images into video a fun and educational process for students.

Designed to be easy to use, and with the basics coming free, this is a useful tool to allow students to express ideas in video format. Since it is app-based it can be accessed on personal devices, both in class and elsewhere.

Also see the Stop Motion Studio website:

Stop Motion Studio