Tap the crown icon at the top right of the home screen (the "Create" tab at the bottom of the screen) to open the "Premium" screen. Once you purchase it, you can enjoy all of the following benefits:
- No more banner ads or full-screen ads
- View up to 1000 history items (30 on the free plan)
Features such as cutting out photos, manual touch-ups, finishing, saving, and sharing are all available for free. You can choose from three purchase options: "Monthly", "Annual", or "Lifetime".