Promomatic helps you easily generate app store assets in various sizes. Simply upload your app screenshots and you're good to go. Thousands of template combinations once you start playing with the customizable device frames, backgrounds, fonts and more!
Placeit will cut your efforts in finding the perfect mockup design for your products! You can find a variety of free mockups and demo videos suitable for your marketing. You can get a paid subscription for more options like discounts on watermarked designs, logos, and videos!