I met @jjflex several months ago and he showed me a buggy version of Chime (at the time it was called String). It's come a long way since then and while the playful, almost over-the-top aesthetics may not appeal to everyone, it definitely sets a playful tone when swapping videos with friends.
@jjarex setup a special Product Hunt Chime for those downloading the app direction from this post (deeplinking, ftw). You should see a nice welcome message that looks something like this:
Product Hunt