Question: I need a tool that lets me edit and customize app designs with ease, without requiring extensive design expertise.

If you want a tool that lets you edit and customize app designs without a lot of design experience, Uizard is a good option. Uizard is an AI-based UI design tool that lets you create and experiment with product designs. It includes a text-to-UI generator, drag-and-drop editor, real-time collaboration and design sharing as interactive prototypes or in CSS or React code. The AI tools, like Autodesigner 1.5 and Screen Generator, speed up the design process by automating tasks like generating designs from screenshots and predicting where users will look.

Another option is Pixelmost, an AI-based design tool that lets you create app designs and mockups quickly. It uses natural language processing to generate pixel-perfect designs and includes predesigned elements, AI-generated designs and design editing. Pixelmost also includes features like previewing and testing in various device frames, and cloud syncing across Apple devices. With its easy-to-use interface and AI-boosted abilities, it's good for startups, designers and companies that want to create apps that look good without a lot of extra work.

For a more streamlined design process, Visily offers a simple interface to create high-fidelity wireframes and prototypes. It includes AI tools like Text to Diagram Beta and Screenshot to Design, more than 1,500 prebuilt templates, and an Icon & Image Library with millions of images. Visily also offers real-time collaboration and the ability to create interactive prototypes, making it good for teams that want to speed up their design process and communicate better with stakeholders. It's free to use for now, with plans to add a Pro version.

Finally, Mockitt offers an all-in-one design, prototyping and collaboration tool. It includes tools for prototyping, flowchart creation, mind mapping and real-time collaboration. Mockitt's AI-powered tools help generate prototypes and design components, and it works for web and mobile apps. The tool is geared for a broad range of users and is designed to speed up the design process and improve team productivity.