woolah

woolah is a simple way for capturing and sharing your activity moments with your friends on time-bound topics and discover shared images from all over the world on things you love in common. You can host a challenge by selecting “Make this as a challenge” when adding a topic, select a duration and a scheduled date to start; then invite your friends to join the challenge and share photos.

Challenge has two phases, Qualify and Finals. Most liked 20 pictures from Qualify will get to finals by resting the likes and most liked picture in Finals will emerge as the winner and will have the badge.