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Redesigning 3 iOS App Icons with AI: From Flat to Modern iOS Style

Introduction In a previous article, I shared a reusable prompt template for generating Apple HIG-compliant iOS app icons with AI image tools. This time, I put that template to practical use — redesigning the icons for 3 published App Store apps using Gemini. The Design Trend Shift The previous template assumed flat design, but looking at Apple’s native apps from iOS 18 onward, the trend has shifted. Style Characteristics Era Flat Solid backgrounds, no shadows, no gradients iOS 7+ Modern iOS Soft gradients + subtle highlights + gentle depth iOS 17+ Skeuomorphism Photorealistic 3D textures Pre-iOS 6 Apple’s own apps (Photos, Maps, Weather) have moved from pure flat to soft gradients with subtle highlights. So I updated the prompts accordingly. ...

A Reusable Prompt Template for Generating iOS App Icons with AI

The Problem When generating iOS app icons with AI image tools (Gemini, ChatGPT/DALL-E, Midjourney, etc.), getting an Apple Human Interface Guidelines-compliant icon on the first try is surprisingly difficult. Common failures: Pre-rounded corners (iOS applies the mask automatically — don’t bake it in) White gaps in the corners Text or letters included Too much detail that becomes muddy at small sizes (29px) This article provides a reusable prompt template that avoids these issues. ...