Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
How to Build a Classified Ads Marketplace App Like Craigslist
Classified ads marketplaces look deceptively simple, but building one that actually earns trust and retains users takes serious product thinking. Here's exactly how to do it right.
How to build · Apr 1, 2026 · 15 min read
How to Build an AI Insurance Comparison App Like Insurify in 2026
Insurify just launched on ChatGPT, and 84% of insurers now use AI somewhere in their stack. Here is how to build your own AI-powered insurance comparison platform from scratch.
How to build · Apr 1, 2026 · 15 min read
How to Build an AI Content Repurposing Platform from Scratch
Content repurposing platforms like Opus Clip and Castmagic are quietly printing money. Here is exactly how to build one, from multi-modal AI pipelines to platform-specific output templates.
How to build · Apr 1, 2026 · 15 min read
How to Build a KYC and Identity Verification System in 2026
Building a KYC system means stitching together document verification, biometric matching, sanctions screening, and ongoing monitoring into a single reliable pipeline. Here is how to architect one that satisfies regulators and does not frustrate your users.
How to build · Mar 30, 2026 · 12 min read
How to Build a Gamification Engine for SaaS and Mobile Apps
Points and badges are the easy part. The hard part is building a gamification engine that actually changes user behavior without being gamed, gimmicky, or ignored after week two.
How to build · Mar 30, 2026 · 12 min read
How to Build an Investor Data Room and Cap Table App in 2026
Investor data rooms and cap table tools sit at the center of every fundraise, acquisition, and board meeting. Here is how to build one that investors actually trust and founders rely on daily.
How to build · Mar 30, 2026 · 12 min read
How to Build a White-Label Mobile App Platform for Agencies
A white-label mobile app platform lets agencies ship branded native apps from a single codebase. Here is exactly how to build one, from template engines to automated app store submissions.
How to build · Mar 30, 2026 · 12 min read
How to Build an API Marketplace and Developer Portal in 2026
API marketplaces are the new storefronts for developer tools. Here is exactly how to build a portal that gets developers from signup to first API call in under five minutes.
How to build · Mar 30, 2026 · 12 min read
How to Build an Omnichannel Messaging Platform from Scratch
The omnichannel messaging market is worth over $12 billion, and most platforms still botch it. Here is how to architect one that actually unifies conversations across every channel.
How to build · Mar 30, 2026 · 12 min read
How to Build a Food Waste Reduction App Like Too Good To Go
Too Good To Go proved that selling surplus food is a billion-dollar idea. Here is how to build a food waste reduction app that balances marketplace mechanics, real-time inventory, and sustainability impact.
How to build · Mar 29, 2026 · 12 min read
How to Build a Fleet Management and GPS Tracking App in 2026
The fleet management market is racing toward $34B by 2027, and off-the-shelf solutions still fail operators with unique workflows. Here is how to build a GPS tracking platform that actually fits your fleet.
How to build · Mar 29, 2026 · 12 min read
How to Build a Payment Orchestration Platform Like Primer 2026
Payment orchestration lets businesses route transactions across multiple processors for better rates and reliability. Here is how to build a platform like Primer or Spreedly.
How to build · Mar 28, 2026 · 14 min read