Snaptastic is described as 'full featured client that allows you to send photo and video snaps, draw on your photos before sending, find friends, view stories and much more' and is an app in the Social & Communications category. There are four alternatives to Snaptastic for a variety of platforms, including Android, iPhone, Android Tablet, iPad and Windows Phone. The best alternative is Snapchat. It's not free, so if you're looking for a free alternative, you could try StealthChat or Frim.
Snapchat is the fastest way to share a moment with friends. You control how long your friends can view your message – simply set the timer up to ten seconds and send. They’ll have that long to view your message and then it disappears forever.
StealthChat is a new secure app for calling and chatting with your friends and partners. With advanced encryption technology, your phone calls and chat messages are private. All calls and messages are free over cellular and Wi-Fi connections.