What are the best practices for creating scalable and adaptable icons?

1 Use vector graphics

Vector graphics are based on mathematical formulas that define the shapes, colors, and strokes of your icons. Unlike raster graphics, which are composed of pixels, vector graphics can be resized and scaled without losing quality or clarity. Vector graphics also allow you to create icons that are responsive and adaptive to different screen sizes, resolutions, and orientations. You can use tools like Adobe Illustrator, Sketch, or Figma to create and export vector icons for your mobile app.

2 Follow platform guidelines

Each mobile platform has its own guidelines and specifications for icon design, such as size, shape, style, and format. For example, iOS icons should have a rounded square shape, while Android icons should have a circular shape. You should follow these guidelines to ensure that your icons are compatible and consistent with the platform's design language and user expectations. You can find the official guidelines for iOS and Android on their respective developer websites.

3 Use a grid system

A grid system is a set of horizontal and vertical lines that help you align and position your icons in a balanced and harmonious way. A grid system can also help you maintain a consistent size, shape, and proportion for your icons across different categories and functions. You can use a grid system that matches the platform's specifications, or create your own custom grid based on your app's design needs. A grid system can also help you create icons that are pixel-perfect, meaning that they align with the pixel grid of the screen and avoid blurry or distorted edges.

4 Keep it simple and recognizable

One of the main goals of icon design is to convey the meaning and purpose of your app's features and actions in a simple and recognizable way. You should avoid using too many details, colors, or effects that can clutter or confuse your icons. Instead, you should focus on the essential elements that represent the core concept of your icon, and use simple shapes, forms, and colors that are easy to understand and remember. You should also use common symbols and metaphors that are familiar to your target audience and consistent with the platform's conventions.

5 Test and iterate

The final step of icon design is to test and iterate your icons based on feedback and performance. You should test your icons on different devices, platforms, and contexts to see how they look and function in real scenarios. You should also test your icons with your potential users to see how they perceive and interact with them. You should use tools like A/B testing, user testing, or analytics to measure and analyze the results of your testing. Based on the data and insights you gather, you should iterate and improve your icons until they achieve your desired goals and outcomes.

6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?