Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
Loops vs Customer.io vs Braze: Lifecycle Email for SaaS 2026
Your lifecycle email tool choice at the seed stage locks you in for years. Migrating email infrastructure mid-growth is painful enough that most teams avoid it until they absolutely have to. Pick right the first time.
Technology · May 16, 2026 · 14 min read
Permit.io vs WorkOS FGA vs Ory: SaaS Authorization in 2026
Authorization is the part of your SaaS that nobody thinks about until it breaks. And when it breaks, it is a security incident. These three platforms take fundamentally different approaches to solving it.
Technology · May 16, 2026 · 14 min read
React Native for Apple Watch and WearOS: Companion App Guide
React Native does not natively support watchOS or WearOS, but that does not mean you need to build entirely separate native apps. The right bridging strategy gives you shared business logic with native watch UIs.
Technology · May 16, 2026 · 14 min read
Codex CLI vs Claude Code vs Gemini CLI: Terminal AI Agents
Terminal-based AI coding agents let you stay in your workflow instead of context-switching to a chat window. The three major options take very different approaches to the same problem.
Technology · May 15, 2026 · 14 min read
Google Antigravity 2.0 vs Cursor vs Bolt: AI Dev Platforms 2026
Google Antigravity 2.0, Cursor, and Bolt.new represent three very different bets on the future of AI-assisted development. One promises a cloud-native platform from Google, one rewires the code editor, and one generates full apps from prompts. Here is the honest breakdown.
Technology · May 14, 2026 · 15 min read
MCP Remote Servers vs Local MCP: Production Deployment Guide
Local MCP servers work great on your laptop. Production is a different story. Here is how to choose between local and remote MCP, set up OAuth 2.1, and deploy to infrastructure that scales.
Technology · May 14, 2026 · 14 min read
Gemini Managed Agents API: The Developer's Production Guide
Google's Managed Agents API turns Gemini into a production-ready agent runtime on Vertex AI. This guide covers architecture, tool use, pricing, and how it compares to Claude Agent SDK and OpenAI Agents SDK.
Technology · May 14, 2026 · 15 min read
Local-First Sync Engines for Mobile Apps: The 2026 CTO Guide
Your mobile users expect instant interactions regardless of connectivity. Local-first sync engines make that possible by moving the database to the device and syncing in the background. Here is the CTO-level breakdown of what works, what does not, and which engine fits your product.
Technology · May 14, 2026 · 14 min read
AI Search vs Traditional Search for SaaS: Migration Playbook
Your SaaS search is either helping users find what they need or silently pushing them toward the exit. This is a practical, opinionated migration playbook for moving from keyword search to AI-powered search, covering architecture decisions, vendor choices, cost tradeoffs, and the exact steps to ship it without breaking production.
Technology · May 14, 2026 · 14 min read
Agentic RAG vs Standard RAG: Architecture Patterns Compared
Standard RAG retrieves documents and generates an answer in a single pass. Agentic RAG reasons about what it found, rewrites queries, and pulls from multiple sources until the answer is actually correct. Here is when you need each pattern and what the real tradeoffs look like.
Technology · May 13, 2026 · 15 min read
AI Code Review: Codex vs CodeRabbit vs Sourcery for Dev Teams
Automated code review tools promise faster PR cycles and fewer bugs in production. But Codex, CodeRabbit, and Sourcery take very different approaches. Here is how they actually perform when you put them on real codebases.
Technology · May 13, 2026 · 14 min read
SaaS Metrics Dashboard: What Founders Should Track in 2026
Most founders track too many metrics or the wrong ones for their stage. This guide breaks down the exact SaaS metrics that matter pre-PMF, post-PMF, and at scale, plus how to build a dashboard that keeps your team and board aligned.
Technology · May 12, 2026 · 14 min read