Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
Mobile App Architecture Patterns Every CTO Should Know 2026
Architecture choices compound over years. Pick the wrong pattern and your mobile app becomes an unmaintainable mess by v2. Here is what actually works in 2026.
Technology · Aug 21, 2026 · 14 min read
Agentic UI Patterns: Designing Interfaces for AI Agent Products
Chat interfaces are not enough for AI agents that plan, use tools, and run multi-step workflows. Here are the UI patterns, streaming architectures, and trust signals that make agentic products usable, from task visualization to human-in-the-loop checkpoints.
Technology · Aug 20, 2026 · 14 min read
Vercel v0 vs Bolt vs Lovable: AI App Builders Compared 2026
Three AI app builders dominate 2026. We built the same project in all three and found that each excels at very different things.
Technology · Aug 20, 2026 · 14 min read
Cursor Rules for AI Coding: Best Practices and Patterns 2026
Your AI coding agent is only as good as the rules you give it. Here is how to write .cursorrules files that actually improve code quality, enforce team conventions, and stop your agent from guessing.
Technology · Aug 20, 2026 · 14 min read
OpenAI Codex vs Claude Code: AI Coding Agents Compared 2026
OpenAI Codex CLI and Claude Code are the two heavyweight AI coding agents from the biggest labs in the game. Here is how they actually compare when you put them to work on real projects.
Technology · Aug 20, 2026 · 14 min read
Supabase Edge Functions vs Cloudflare Workers: Edge APIs 2026
Two edge runtimes, two very different philosophies. This guide breaks down Supabase Edge Functions and Cloudflare Workers so you can pick the right one for your API layer.
Technology · Aug 20, 2026 · 14 min read
Panda CSS vs Tailwind v4 vs Vanilla Extract: CSS-in-JS 2026
Three zero-runtime CSS tools are competing for your next project. This guide breaks down Panda CSS, Tailwind v4, and Vanilla Extract with honest benchmarks, real DX opinions, and clear recommendations.
Technology · Aug 20, 2026 · 14 min read
Android XR vs Apple Vision Pro SDK: Spatial Computing for Apps
Google and Apple are battling for spatial computing dominance with very different strategies. Here is a practical breakdown of both platforms, their SDKs, hardware ecosystems, and which one deserves your development budget right now.
Technology · Aug 18, 2026 · 14 min read
Crawl4AI vs Jina Reader vs Firecrawl v2: Web Scraping for RAG
Crawl4AI, Jina Reader, and Firecrawl v2 each take a different approach to turning web pages into LLM-ready content. Crawl4AI is open source and self-hosted. Jina Reader is a single-line API. Firecrawl v2 is a managed platform with LLM extraction. Here is when to pick each one.
Technology · Aug 16, 2026 · 14 min read
CRM vs CDP for Startups: Which Platform Do You Need First?
Every startup eventually needs both a CRM and a CDP, but buying both at seed stage is a waste of cash. This guide breaks down exactly which platform to prioritize at each funding stage, what each one actually does, and how to avoid the data architecture mistakes that cost Series A companies six figures to fix.
Technology · Aug 16, 2026 · 13 min read
Data Engineering for AI Startups: Building Your Data Stack
Most AI startups fail not because of bad models, but because of bad data. This guide covers the full data engineering stack for AI companies, from ingestion and storage to vector databases and feature stores, with real cost breakdowns for early-stage budgets.
Technology · Aug 16, 2026 · 15 min read
Mobile App Retention Strategy: Reduce Churn Below 5% in 2026
Most mobile apps lose over 70% of users within the first week. This guide breaks down the retention strategies, tools, and benchmarks that top-performing apps use to keep monthly churn below 5% in 2026.
Technology · Aug 16, 2026 · 14 min read