CocoaHeads September 2026

CocoaHeads September 2026

Date: 3 September 2026
Time: 7:00 PM
Location: Freenow, Neumühlen 19, 22763 Hamburg

We’re back from summer break and starting into the second half of 2026 CocoaHeads HH with TWO exciting talks 🔥

💬 Feel free to join us on Slack, where we’ll keep you up-to-date on any immediate announcements.

⏰ Our schedule

🚀 19:00 — Doors open, come and socialise with fellow iOS Devs
👋🏼 19:30 — Welcome Round & Announcements
🎙️ 19:45 — Lena Mattea Stöxen (3x Swift Student Challenge Winner): Things you probably haven’t thought about lately: iMessage Apps
🍕 20:30 — Break with food and drinks
🎙 20:45 — Martin Knabbe (iOS Staff Engineer @ FREENOW): Agentic AI for iOS Devs: What I Learned So You Don’t Have to Guess
👥 21:15 — Socialize

Talk #1 - Things you probably haven’t thought about lately: iMessage Apps

Have you ever wondered ‚How do I get in on the action happening on the iMessage AppStore?‘ Well then this talk is for you! We will be creating and shipping a full app in this talk. In the process learning about Sticker Packs, Sticker Apps and iMessage Apps. Attend this talk to send the message that you are now also available on iMessage!

Lena Mattea Stöxen

Talk #2 - Agentic AI for iOS Devs: What I Learned So You Don’t Have to Guess

A year ago I lost a full day to AI-generated Swift that used APIs which don’t exist. Today coding agents do most of the implementation work in my projects, private and at scale.

This talk is the path between those two points: what failed with Gemini CLI, the multi-agent setup I built and then threw away, and how I work with Claude Code now. Three principles that outlive the tools: Context, Plan, Memory.

Martin Knabbe

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