It works great!

Absolutely love this app. The $4 is worth it to me since I work with a lot of videos. Tried others and this one really seemed to get it right. Simple controls. Import video. Select your crop size. Export. Done.

Creativepita about Crop Your Videos - The Rotate, Trim, Square and Zoom Photo & Video Cropper for Movies and Photos with Free or Fixed Camera Aspect Ratio Cropping App