Current version has 285 reviews, and all are 5-star!
With StillShot, users can create a full resolution photo from video files by loading the video and analysing the frames one by one, letting the user choose the best frame. The app can extract frames from any video, with no special requirements.
StillShot holds the original resolution of the video, e.g., on iPhone 4s the resolution is 1080p (1920*1080px).
StillShot is very easy to use and requires no technical knowledge.
Video demo can be seen here: http://stillshot.me
Downloaded. Cheers TA