Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
Google Play's January 27 Permission Deadline: Audit Your App
Four Google Play permission rules tighten on January 27. Here is how to find out which ones your Android app touches, what to replace them with, and what it costs in engineering time.
How to build · Oct 12, 2026 · 9 min read
Apple's iOS 27 SDK Deadline: What to Do Before April
From April, Apple will reject submissions built with older SDKs. Your app does not need to drop old iPhones, but it does need a rebuild, a test pass and a few specific checks. Here is the plan and the budget.
How to build · Oct 11, 2026 · 9 min read
How to Switch Dev Agencies Mid-Project Without Losing Your App
Changing agencies halfway through a build is survivable if you do it in the right order. Secure your accounts first, audit the code second, and only then decide what to keep.
How to build · Oct 10, 2026 · 13 min read
Should AI Coding Agents Touch Production? Rules for Founders
AI coding agents can now run shell commands, apply migrations and open pull requests on their own. Here are the rules that keep them away from your customers' data until they have earned the access.
How to build · Oct 9, 2026 · 10 min read
How to Build a Privacy-First Analytics Platform for SaaS 2026
Third-party cookies are dead, regulators are watching, and your users expect better. Here is exactly how to build a privacy-first analytics platform that gives you real product insights without compromising user trust.
How to build · Sep 11, 2026 · 15 min read
How to Build AI-Powered Search for E-Commerce Product Discovery
Most e-commerce search boxes are still running keyword matching from 2010. Here is a practical guide to replacing them with AI-powered semantic search, vector embeddings, and personalized ranking that actually converts browsers into buyers.
How to build · Sep 11, 2026 · 15 min read
How to Build a Disaster Recovery Plan for Your SaaS Product 2026
A single outage can cost you customers, revenue, and trust you spent years building. This guide walks you through building a disaster recovery plan your SaaS product can actually rely on when things go wrong.
How to build · Sep 11, 2026 · 15 min read
How to Build a Family Safety and Location Sharing App in 2026
Building a family safety app means getting real-time location, geofencing, SOS alerts, and battery efficiency right from day one. This guide covers every layer of the stack, from choosing your mapping SDK to handling COPPA compliance for minor users.
How to build · Sep 11, 2026 · 15 min read
How to Build a Cross-Border Remittance and Money Transfer App
Building a cross-border remittance app means navigating payment rails, FX volatility, money transmitter licenses, and KYC/AML compliance simultaneously. This guide walks through every layer of the stack so you can ship a product that actually moves money.
How to build · Sep 10, 2026 · 15 min read
How to Build an AI Procurement Optimization Platform for B2B
Building an AI procurement optimization platform is no longer a Fortune 500 luxury. Here is the architecture, the AI stack, and the integration playbook your team needs to ship a system that actually moves the needle on spend.
How to build · Sep 10, 2026 · 15 min read
How to Build a Niche Social Network App From Scratch in 2026
Building a niche social network in 2026 is one of the most defensible bets in consumer software, but only if you get the identity layer, content mechanics, and community flywheel right from the start.
How to build · Sep 10, 2026 · 15 min read
How to Build an AI-Powered Retail POS System From Scratch 2026
Building a retail POS system today means more than accepting payments. It means embedding AI that forecasts demand, personalizes pricing, and surfaces insights before your competitors even see the trend.
How to build · Sep 10, 2026 · 15 min read