The easiest way to record reactions
1. Select a video from your camera roll
2. Watch the video (while the front camera automatically records the viewer's reaction)
3. Stop to save reaction to your camera roll
RIGHT HERE, RIGHT NOW
You don't have to send anything over the internet. You don't have to register. Simply select a video, watch it and save the reaction. Done.
SAVE YOUR ______ MOMENTS
Record your children watching their favorite videos.
Record your bro's watching that new trick you just learned (and the epic fail just before making it).
Record your friends watching a scary video.
Record your colleagues watching your newest joke.
Record your parents watching the first steps of their grandchild.
Record ... reactions.