iOS × AI

iOS AI

We track 37 iOS AI case studies from 16 engineering teams. SwiftLee, Duolingo and DoorDash write about it most. Many posts also cover Xcode and Developer Tools. The posts run from 2017 to 2026. The newest is from October 2026.

iOS AI articles 1–30 of 37

SwiftLee Oct 12, 2026

Agentic iOS Development with RocketSim and RocketTrace

Antoine van der Lee built his Video Compressor app with AI agents that can actually see and measure what they're building. His accessibility score jumped from 0/100 to 99/100 without manual testing.

SwiftLee Oct 5, 2026

Introducing RocketTrace: Using Xcode Instruments with AI Agents

Antoine van der Lee just launched RocketTrace, a Mac app that makes AI agents 6x more efficient at finding iOS performance issues. The benchmark results are striking: agents found more bugs while using a fracti...

Expo Sep 11, 2026

Why Expo is a great fit for new and existing React Native apps

Keith Kurak from Expo makes a bold claim: AI coding agents don't eliminate the need for cross-platform frameworks. They actually make the case stronger.

SwiftLee Sep 7, 2026

The iOS Simulator Inside Cursor, Claude Code, and Codex

Antoine van der Lee, creator of RocketSim, is rethinking the iOS Simulator's role as AI agents take over coding. His latest move? Embedding the Simulator directly into Cursor, Claude Code, and Codex.

Salesforce Jul 1, 2026

How AI Learned to Investigate Mobile Build Failures Like an Experienced Support Engineer

Archana Indran's team at Salesforce turned years of mobile debugging expertise into AI that investigates build failures like a senior engineer. Eight people now support 60+ repositories with less firefighting.

Duolingo Jun 24, 2026

How We Automated iOS Unit Test Generation with AI

Kush Agrawal from Duolingo just shared how they generated 85,000 lines of iOS test code with almost zero manual effort. The bottleneck in software development has officially flipped: it's no longer writing code...

SwiftLee Jun 16, 2026

SwiftUI Best Practices, straight from Apple's Xcode 27 Agent Skill

Antoine van der Lee reverse-engineered Apple's official SwiftUI Agent Skill from Xcode 27 and found something surprising: it's laser-focused on performance, but leaves out huge chunks of everyday SwiftUI develo...

SwiftLee May 11, 2026

AI-Powered Xcode Simulator Automation (token-efficient)

Antoine van der Lee just shipped a CLI that makes AI agents 19% faster at controlling Xcode Simulator while using 63% fewer tokens. If you're building with AI coding assistants, this changes the game.

Grab Apr 22, 2026

Record, generate, run: AI-powered UI test generation for iOS

Grab Engineering just turned a days-long iOS testing nightmare into a 10-minute workflow. Their AI-powered system records your app interactions and auto-generates complete UI tests, including mocks, feature fla...

Thumbtack Apr 21, 2026

Leveraging AI to build a faster iOS CI system

Muhieddine EL Kaissi from Thumbtack cut iOS CI time in half using runtime coverage instead of running every test. His Smart Test Selection system proves you don't need faster tests—you need fewer tests.

SwiftLee Apr 20, 2026

Xcode Instruments Time Profiler: Improve performance with AI

Antoine van der Lee just achieved a 25x performance improvement using AI agents and Xcode Instruments. His workflow shows how AI can analyze profiling data and iterate on optimizations faster than manual debugg...

SwiftLee Apr 14, 2026

Network Requests Optimization using Xcode's Simulator & Agents

Antoine van der Lee reveals how combining AI agents with continuous network monitoring caught bugs he'd been missing for years. The secret? Stop opening proxies only when you need them.

Flutter Apr 1, 2026

How Dart and Flutter are thinking about AI in 2026

Mariam Hasnany from Google's Flutter team just dropped their AI strategy, and the numbers reveal a massive shift: 79% of Flutter developers already use AI assistants. But there's a trust problem.

SwiftLee Mar 30, 2026

Xcode Build Optimization using 6 Agent Skills

Antoine van der Lee just open-sourced an AI agent skill that saved one iOS team 87% on incremental build times. That's 61 seconds per build, translating to 5 hours saved monthly at just 10 builds per day.

SwiftLee Mar 2, 2026

Using an MCP to perform product optimizations

Antoine van der Lee stopped guessing what to build next. By connecting his AI coding agent to Amplitude analytics via MCP, he now makes product decisions backed by real user data without leaving his IDE.

Posts on X Mar 2, 2026

How We Claudified Our iOS App Without Wrecking Our Codebase

Dan Federman from Tolan reveals how Claude now writes 55% of their iOS commits. And their crash-free rate improved while doing it.

Posts on X Feb 26, 2026

Vision-Based Mobile App Testing CLI for Claude Code

Revyl introduces a CLI tool that gives Claude Code vision-based mobile app testing capabilities. The tool interacts with apps like a human — no scripts, selectors, or element IDs needed — enabling a full write-...

Posts on X Feb 24, 2026

Pro Tip: Use Xcode Instruments Time Profiler with AI for Performance Analysis

Antoine van der Lee (@twannl) found a quick way to get performance fixes from Xcode Instruments: deep copy the Time Profiler call tree and paste it into an AI agent.

Sentry Feb 18, 2026

Do you need an MCP to build your native app?

Sentry ran 1,350 trials to answer an uncomfortable question: does their newly acquired XcodeBuildMCP tool actually beat a simple markdown file for iOS development?

SwiftLee Feb 17, 2026

Swift Testing Agent Skill: Write high quality tests with AI

Antoine van der Lee from SwiftLee just open-sourced an Agent Skill that teaches AI to write Swift tests the right way. No more serialized tags killing your test performance.

Posts on Medium Feb 15, 2026

Why Apple Is Secretly Betting Against Native iOS Development

Apple is quietly pushing developers away from the native iOS stack they've championed for over a decade. The evidence? Look at what they're building, not what they're saying.

SwiftLee Feb 8, 2026

Core Data Agent Skill: Now available open-source

Antoine van der Lee just open-sourced a Core Data Agent Skill that could save you from rookie persistence mistakes. If you're still working with Apple's older framework, this is a game-changer.

SwiftLee Feb 2, 2026

SwiftUI Agent Skill: Build better views with AI

Antoine van der Lee from SwiftLee introduces an open-source Agent Skill that teaches AI to write better SwiftUI code. No more fixing the same mistakes over and over in your AGENTS.md file.

SwiftLee Jan 25, 2026

AI App Development: What I Learned in One Month

Antoine van der Lee shipped an AI-powered app in one month and hit a wall so hard he almost killed the project. His biggest mistake? Moving too fast.

SwiftLee Jan 19, 2026

11 Things I learned after using AI Agents full-time

Antoine van der Lee went all-in on AI agents for iOS development and jokes that 'Arie and Ingrid (AI) are doing my work while we're having lunch.' After months of daily use, his workflow has changed more than i...

SwiftLee Jan 12, 2026

Agent Skills explained: Replacing AGENTS.md with reusable AI knowledge

Antoine van der Lee reveals why he ditched AGENTS.md files across all his projects. The replacement? A reusable AI knowledge system that's already supported by Cursor, Claude, and Gemini.

Posts on Medium Jan 1, 2026

The State of Agentic iOS Engineering in 2026

Thomas Ricouard spent only 2% of his time in Xcode last year while shipping more iOS code than ever. His secret? Treating AI agents as tireless coworkers, not autocomplete tools.

Trendyol Nov 5, 2025

Scaling Mobile UI Testing with AI

Trendyol scaled from 4,869 to 10,400 UI tests in under a year — while keeping execution under one hour. Here's how AI became their test generation engine.

Meta Jul 28, 2025

Accelerating on-device ML on Meta’s apps with ExecuTorch

Meta just shared how they moved billions of daily users to their new on-device ML framework. The performance gains are substantial.

Duolingo Feb 7, 2025

How we reduced manual regression tests by 70% using AI tools

Duolingo's QA team cut manual regression testing by 70% using AI. Here's how they made it work at scale.