It also has a timed self-timer function, as well as a camera assistant grid. In the app, you can take two photos to get the double exposure effect.
This app is straightforward to use and easy to understand. This is in contrast to other similar apps, which require you to use multiple buttons. With the Dazz Cam - Vintage Camera app, you only need to press one button in order to generate photos and films that give the appearance that they were taken with a film camera, even if they weren't.