Jun 15, 2020 Platform: Web browser and desktop client on Mac/Windows/Linux, plus Android/IOS app to preview designs; Price: From $8.25 (solo) Download here; Fluid UI has built-in libraries with over 2000 builti components for iOS, Android, Windows and more, and pages are created by dragging in elements from these libraries. Design Work fast, create beautifully. Your best work happens when tools stay out of the way. With an intuitive interface, thoughtful features and all the power of a native macOS app, you can stay focused on designing incredible products. Pencil project is a simple and open-source GUI prototyping tool for Mac UX/UI designers to create mockups. It offers various built-in shapes and components for designers to draw different types of app interfaces. And you can also use it to export the mockup drawings to different formats, like PNG, PDF, SVG and ODT formats, etc.
Formatting Content
Free Ui Design Software
Create a layout that fits the screen of a device. Users should see primary content without zooming or scrolling horizontally.
Touch Controls
Use UI elements that are designed for touch gestures to make interaction with your app feel easy and natural.
Hit Targets
Create controls that measure at least 44 points x 44 points so they can be accurately tapped with a finger.
Text Size
Text should be at least 11 points so it’s legible at a typical viewing distance without zooming.
Contrast
Make sure there is ample contrast between the font color and the background so text is legible.
Spacing
Don’t let text overlap. Improve legibility by increasing line height or letter spacing.
High Resolution
Provide high-resolution versions of all image assets. Images that are not @2x and @3x will appear blurry on the Retina display.
Distortion
Always display images at their intended aspect ratio to avoid distortion.
Organization
Create an easy-to-read layout that puts controls close to the content they modify.
Alignment
Align text, images, and buttons to show users how information is related.
Design Resources
Get tools, UI templates, and in-depth information for designing great apps that integrate seamlessly with Apple platforms.