Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
How to Build a Shopify App and Get Approved by the App Store
Shopify has 4.6 million merchants and a partner ecosystem generating $2B+ in annual revenue. Here is how to build an app that passes review, attracts merchants, and generates recurring revenue.
How to build · Mar 20, 2026 · 15 min read
How to Build a BNPL (Buy Now Pay Later) App Like Affirm in 2026
BNPL apps combine payments, lending, and compliance in one product. Here is the technical playbook for building a buy now, pay later platform that can legally originate loans and scale.
How to build · Mar 20, 2026 · 15 min read
How to Build a Webinar and Live Event Platform Like Zoom 2026
Webinar platforms require solving video delivery, real-time interaction, and recording at scale. Here is the technical architecture for building one that handles thousands of concurrent attendees.
How to build · Mar 20, 2026 · 15 min read
How to Build a Second Brain Note-Taking App Like Reflect 2026
Second brain apps like Reflect, Tana, and Mem combine block-based editing with AI-powered knowledge retrieval. Here is the technical architecture for building one from scratch.
How to build · Mar 20, 2026 · 15 min read
How to Build a Restaurant Reservation App Like OpenTable 2026
OpenTable's dominance is being challenged by Resy, Tock, and SevenRooms. Here is how to build a restaurant reservation platform with modern table management and guest experience features.
How to build · Mar 20, 2026 · 14 min read
How to Build a Whistleblower and Compliance Reporting Platform
The EU Whistleblower Directive requires secure reporting channels for 50K+ companies. Here is how to build a compliance platform with anonymous intake, encrypted messaging, and audit-ready case management.
How to build · Mar 20, 2026 · 14 min read
How to Build a Referral Program Engine for Your SaaS in 2026
Referral programs drive 20 to 40% of new user acquisition for top SaaS products. Here is how to build a custom referral engine instead of paying $500+/month for Viral Loops or ReferralCandy.
How to build · Mar 20, 2026 · 13 min read
How to Build an AI Music Generation App Like Suno or Udio in 2026
Suno and Udio raised over $250M combined and unlocked a new media category. Here is the full build playbook for AI music generation apps in 2026.
How to build · Mar 18, 2026 · 14 min read
How to Build a Self-Storage Facility Management Platform in 2026
US self-storage is $39B with 60,000 facilities running on 2014-era software. Here is the full technical playbook for a modern cloud-native storage platform.
How to build · Mar 18, 2026 · 14 min read
How to Build an AI SEO and Content Optimization Tool in 2026
Surfer, Clearscope, and MarketMuse are getting disrupted by AI-native SEO tools. Here is the full technical playbook for building one in 2026.
How to build · Mar 18, 2026 · 14 min read
How to Build a Class Action and Mass Tort Legal Platform in 2026
Class action and mass tort is a $1B+ underserved legal tech vertical. Here is the full technical playbook for building software that law firms will pay a premium for.
How to build · Mar 18, 2026 · 14 min read
How to Build an AI Video Interview Platform Like HireVue in 2026
86% of Fortune 500 companies run AI video interviews. Here is the full technical playbook for building an interview platform that actually ships to production.
How to build · Mar 17, 2026 · 14 min read