Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
AI Coding Tools Bill by Usage Now: How to Budget
The flat $20 seat is giving way to credits, tokens and overage. Here is how to forecast what your team will spend on AI coding tools and where to put the guardrails.
Technology · Oct 14, 2026 · 9 min read
Android Developer Verification Is Live: What Founders Must Do
Google now ties installs on certified Android devices to a verified developer identity, starting in four countries. Here is what changed, who has work to do, and the checklist to run this week.
Technology · Oct 12, 2026 · 10 min read
iPhone Duo Is Here Oct 23: Is Your App Ready?
Apple opened iPhone Duo submissions on October 5 and the device reaches customers on October 23. Here is what to check in your app this month, what a fix costs, and what can wait until spring.
Technology · Oct 11, 2026 · 11 min read
Getting an AI App Through App Store Review: A Checklist
AI features raise the odds of a rejection, because reviewers now ask where user data goes and what your model can say. Here is what to prepare before you submit.
Technology · Oct 9, 2026 · 10 min read
Apple's New EU App Store Fees: What Founders Should Do Now
Apple replaced its EU per-install fee with a flat 5% commission and a new four-tier rate card that took effect on October 1. Here is how to work out which payment path costs your app the least.
Technology · Oct 8, 2026 · 10 min read
How to Choose the Right AI Coding Tool for Your Startup in 2026
The AI coding tool market has fractured into three distinct categories: IDE assistants, agentic coders, and vibe coding builders. Here is how to cut through the noise and pick the right one for your team.
Technology · Sep 12, 2026 · 14 min read
PCI DSS Compliance for Startups: Complete Guide for App Builders
If your app touches payment card data, PCI DSS applies to you. Here is a practical, opinionated guide to scoping, SAQ levels, tokenization, and the real cost of staying compliant without losing your mind.
Technology · Sep 12, 2026 · 14 min read
How to Ship AI Features Without Breaking Production: A Playbook
Shipping an AI feature is not like shipping a button. The failure modes are weirder, the blast radius is bigger, and the rollback is rarely clean. Here is the exact playbook we use to get LLM features to production without waking up the team at 2am.
Technology · Sep 12, 2026 · 14 min read
How to Build a SaaS Admin Panel and Back-Office Dashboard 2026
Every SaaS product eventually needs an admin panel. Here is how to build one that actually serves your ops team: user management, tenant controls, billing admin, feature flags, and audit logs built the right way.
Technology · Sep 12, 2026 · 14 min read
Google Antigravity vs Bolt vs Lovable: Vibe Coding Tools 2026
Google Antigravity, Bolt, and Lovable are the three most-hyped vibe coding tools right now. Each one promises to turn plain-English prompts into working apps. Here is how they actually stack up when you need to ship something real.
Technology · Sep 11, 2026 · 14 min read
Google Antigravity vs Replit vs Bolt: AI App Builders in 2026
Three platforms now dominate the AI app builder space: Google Antigravity, Replit, and Bolt. Each promises to turn a plain-English prompt into a working app. Here is what actually separates them, where each one breaks down, and how to decide which tool deserves your next project.
Technology · Sep 11, 2026 · 14 min read
React 19 Signals vs Svelte 5 Runes vs SolidJS Reactivity
The virtual DOM era is ending. React 19, Svelte 5 Runes, and SolidJS each take radically different approaches to fine-grained reactivity. Here is what actually matters when choosing between them.
Technology · Sep 8, 2026 · 15 min read