iOS Graphic Assets Export for Screen Densities (@1x, @2x, @3x)

NOVASOLUTIONS.TECHNOLOGY is engaged in the development, support and maintenance of iOS, Android, PWA mobile applications. We have extensive experience and expertise in publishing mobile applications in popular markets like Google Play, App Store, Amazon, AppGallery and others.
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Development and support of all types of mobile applications:
Information and entertainment mobile applications
News apps, games, reference guides, online catalogs, weather apps, fitness and health apps, travel apps, educational apps, social networks and messengers, quizzes, blogs and podcasts, forums, aggregators
E-commerce mobile applications
Online stores, B2B apps, marketplaces, online exchanges, cashback services, exchanges, dropshipping platforms, loyalty programs, food and goods delivery, payment systems.
Business process management mobile applications
CRM systems, ERP systems, project management, sales team tools, financial management, production management, logistics and delivery management, HR management, data monitoring systems
Electronic services mobile applications
Classified ads platforms, online schools, online cinemas, electronic service platforms, cashback platforms, video hosting, thematic portals, online booking and scheduling platforms, online trading platforms

These are just some of the types of mobile applications we work with, and each of them may have its own specific features and functionality, tailored to the specific needs and goals of the client.

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iOS Graphic Assets Export for Screen Densities (@1x, @2x, @3x)
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Graphic Assets for Different Screen Densities (@1x, @2x, @3x)

Incorrectly exported assets are a common cause of blurry icons and excess app weight. PNG at 300dpi exported without considering iOS logical points looks sharp in Figma but blurs on device.

How iOS Density System Works

iOS operates with logical points (pt), not physical pixels (px). iPhone SE displays @2x (1pt = 2px), most modern iPhones — @3x (1pt = 3px). For a 24×24pt icon, you need three files: icon.png 24×24px (@1x, for simulator), [email protected] 48×48px, [email protected] 72×72px.

Mistake: export only @2x and expect the system to scale. Scaling exists, but quality suffers — especially noticeable on icons with thin lines and sharp corners.

Correct Export from Figma

In Figma set three Export presets for each asset: 1x (empty suffix), 2x (suffix @2x), 3x (suffix @3x). Export as PNG without retouching. Then via Xcode Asset Catalog place files in 1x, 2x, 3x slots — Xcode chooses the right one for the device.

For simple vector icons use PDF in Asset Catalog with Preserve Vector Data — then Xcode renders the icon as vector, no rasterization. But complex multi-color illustrations are better as PNG: PDF with gradients sometimes renders differently than expected.

SVG natively in Xcode Asset Catalog is not supported for iOS (only macOS 11+). Convert via Sketch or third-party tools to PDF or directly to PNG set.

What's Included

  • Preparation and export of all project graphic assets in @1x/@2x/@3x
  • PNG optimization via pngcrush or optipng to reduce weight without quality loss
  • Forming Assets.xcassets structure with correct names and slots
  • Recommendations on PDF vs PNG choice for specific asset types

Timeline

Preparation of full asset set for project (20–50 elements): 4 hours–1 day. With large volume or need for manual illustration refinement — up to 2 days. Cost is calculated individually.