Tip #21: Spell it out for them

Mystery meat menu icons—or hamburger icons—are essentially useless. Just make your menu button say “menu.” Seriously. There are plenty of studies to back this up, but we don’t need all those. When you see a hamburger icon, do you know …

Tip #20: It’s all about color and type

Every mobile platform has its own style guide with preferred ways to create common user interface elements, so how do you stand out? The two main ways: Color and type. A millions apps and websites use blue and green and …

Tip #18: Give feedback to the user

If a user mousesover something—if they place their mouse cursor on it—and nothing happens, then the user will assume that nothing it’s not clickable. Similarly, if something doesn’t look different when it’s selected, then the user can’t know that it’s …

Tip #17: Make actions discoverable

Engineers always know what actions are possible in their products, but users have no idea. If you want a user to use a feature of your product, you need to tell them it’s there. But don’t expect them to read …

Tip #16: Keep the important things in reach

Your thumbs can only stretch so far. See, on the computer—where everyone first learned how to design interfaces—it didn’t matter if the buttons went at the bottom or at the top because the mouse could go anywhere. In fact, the …