AI · Part 9
Harness engineering, worked through
27 Oct 20267 min
AI · Part 10
How to learn hard things fast with AI
27 Oct 20269 min
AI · Part 1
What a harness is, drawn
24 Oct 20265 min
AI · Part 8
Ideas and taste are the job now
24 Oct 20264 min
- $300$2,500$5,000
Founders · Part 1
What a mobile app actually costs in 2026
22 Oct 20265 min
- App Review2.13.1.15.1.14.8
Shipping · Part 2
Why apps get rejected from the App Store, and how to avoid it
22 Oct 20265 min
- $ fixed
Founders · Part 2
How to brief an app developer
22 Oct 20265 min
- <App />tsiOSAndroid
Founders · Part 3
React Native, Flutter or native?
22 Oct 20265 min
- 123
- 1states
- 2access
- 3review
Founders · Part 4
Your AI-built app works. Here's what it's missing.
22 Oct 20265 min
Founders · Part 5
An AI receptionist for clinics and small businesses
22 Oct 20264 min
Design · Part 6
Why some apps feel expensive
13 Oct 202611 min
AI · Part 2
How agentic systems actually work
27 Sept 20265 min
AI · Part 3
MCP and CLIs: how agents reach the world
27 Sept 20265 min
AI · Part 4
The harness is the product
27 Sept 20264 min
Fundamentals · Part 1
The iOS app lifecycle, drawn
26 Sept 20265 min
Design · Part 1
Mobile UI standards, measured
26 Sept 20265 min
Fundamentals · Part 2
The Android lifecycle, drawn
26 Sept 20265 min
Design · Part 2
Every screen has five states
26 Sept 20264 min
- →inkpapersignal→
Design · Part 3
Design systems, from tokens to screens
26 Sept 20265 min
Fundamentals · Part 3
From tap to database and back
26 Sept 20266 min
- ×××→
Design · Part 4
Component patterns that scale
26 Sept 20265 min
Fundamentals · Part 4
The twelve boxes behind every app
26 Sept 20265 min
AI · Part 5
Building with AI, and building AI in
26 Sept 20265 min
Fundamentals · Part 5
System design for app developers, worked through
26 Sept 20266 min
AI · Part 7
Riding the AI roller coaster
26 Sept 20264 min
AI · Part 6
Tools your agent can drive
24 Sept 20263 min
- Not nowAllow
Shipping · Part 1
The reviewer walks the real flow
23 Sept 20263 min
Design · Part 5
One press, one spring
22 Sept 20264 min