There are several apps available for generating realistic AI pictures, but the best one depends on your specific needs and preferences. Some of the top options include DreamBooth, Canva Magic Media, DALLE 2, and ArtBreeder. DreamBooth allows you to turn your images into custom photorealistic AI models, while Canva Magic Media offers a range of options and controls for generating realistic images. DALLE 2 is known for its accuracy, speed, and cost-effectiveness, and ArtBreeder lets you create unique visuals by mixing different images. Other notable AI image generators include Leonardo AI, Remini AI, and Visme. It's worth trying out a few different apps to see which one works best for you.