Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
How to Build an E-Commerce App from Scratch in 2026
Template stores plateau fast. Custom e-commerce apps convert 3x better, retain more customers, and let you build experiences no competitor can copy. Here is the full blueprint.
How to build · Feb 3, 2026 · 16 min read
MVP Development: The Complete Guide for Founders
Your MVP is not a stripped-down product. It is the fastest, cheapest experiment you can run to prove customers will pay for what you are building.
Cost & planning · Feb 3, 2026 · 15 min read
AI Agents for Business: What They Are and How to Build Them
AI agents go beyond simple chatbots by planning, reasoning, and executing multi-step tasks autonomously. Here is a practical guide to building them for real business workflows, with specific architectures, costs, and tools that actually work in production.
AI & strategy · Feb 3, 2026 · 14 min read
How Much Does It Cost to Hire a Mobile App Developer in 2026?
Mobile app developer rates range from $25/hr to $250+/hr depending on hiring model, region, and seniority. Here is exactly what you should expect to pay and how to avoid costly mistakes.
Cost & planning · Feb 3, 2026 · 13 min read
How Much Does It Cost to Build an App Like Uber in 2026?
Building an Uber-like app costs between $70K for a lean MVP and $500K+ for a full-featured platform. Here is exactly where that money goes and how to spend it wisely.
Cost & planning · Feb 3, 2026 · 13 min read
UX/UI Design Costs: What to Expect in 2026
UX/UI design can run from $5,000 for a basic UI refresh to $150,000+ for a full design system with research, prototyping, and testing. Here's what drives the price.
Cost & planning · Feb 3, 2026 · 11 min read
How to Build a Fintech App: Payments, Banking & More
Fintech is booming, but building a financial app means navigating compliance, security, and complex integrations. This guide breaks it all down, including lessons from building POSH ($350M+ in transactions).
How to build · Feb 2, 2026 · 18 min read
How to Build a Fitness & Wellness App in 2026
The fitness app market has crossed $15B and shows no signs of slowing. Whether you want to build a workout tracker, meditation app, or AI coaching platform, this guide covers every decision you need to make before writing a single line of code.
How to build · Feb 2, 2026 · 14 min read
How to Build a Food Delivery App in 2026
Food delivery is a $300B market, and the winners aren't always the biggest players. They're the ones who nail the three-sided coordination problem between customers, restaurants, and drivers. Here's how to build it right.
How to build · Feb 2, 2026 · 16 min read
How to Build a Marketplace App Like Uber or Airbnb
Marketplaces are some of the most valuable businesses ever built. They're also some of the hardest to get right. Here's exactly how to build one that works.
How to build · Feb 2, 2026 · 15 min read
How to Build a Real Estate App in 2026
The best real estate apps solve one problem better than anyone else. Here is exactly how to build one, from MLS data pipelines to AI-powered search, without burning through your budget.
How to build · Feb 2, 2026 · 14 min read
How to Build a SaaS Platform from Scratch in 2026
Recurring revenue. Near-zero marginal costs. Compounding customer value. SaaS is the best business model in software, and this is exactly how you build one.
How to build · Feb 2, 2026 · 16 min read