No, there's no limit on the number or amount of content you can upload into Movement!
All of our Paid plans offer unlimited Video & Audio Uploads. Our Free plan is capped at 3 Video & Audio uploads.
You also do not have to worry about your app performance changing or slowing down based on the amount of content you include.
In terms of max file sizes per upload, the limits are as follows:
Image: 50 MB
Video: 50 GB