Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
Firecrawl vs Apify vs Browserbase: AI Web Scraping Compared
Firecrawl, Apify, and Browserbase each solve web scraping differently. Firecrawl converts pages to clean Markdown for LLMs. Apify runs thousands of configurable actors. Browserbase gives you raw browser control. Here is when to use each.
Technology · Apr 21, 2026 · 14 min read
React Native Vision Camera vs Expo Camera: On-Device AI Guide
Choosing the right camera library for your React Native app is one of the most consequential decisions you will make when building on-device AI features. Here is a detailed, practical breakdown of VisionCamera and Expo Camera so you can pick the right tool for your project.
Technology · Apr 21, 2026 · 14 min read
PostHog vs Amplitude vs Mixpanel: Product Analytics Compared
Three product analytics platforms, three very different philosophies. Here is how PostHog, Amplitude, and Mixpanel compare on pricing, features, and data ownership so you can pick the right one.
Technology · Apr 20, 2026 · 14 min read
Stripe Connect vs PayPal Commerce vs Adyen for Marketplaces
Building a marketplace? Your payment platform choice determines your fee structure, seller experience, and how fast you can scale internationally. Here is what actually matters.
Technology · Apr 20, 2026 · 15 min read
Non-Technical Founder's Guide to Interviewing and Hiring Devs
You do not need to know how to code to hire great developers. You need a system that filters for the right signals and a clear understanding of what you are actually paying for.
AI & strategy · Apr 20, 2026 · 14 min read
AI Trust and Safety for Consumer Apps: A Founder's Playbook
Consumer AI apps face unique trust and safety risks that most founders underestimate until something breaks publicly. This playbook covers the systems, tools, and team structures that actually keep users safe.
AI & strategy · Apr 20, 2026 · 14 min read
AI for Education: Building Personalized Learning Paths at Scale
Personalized learning used to mean a teacher adjusting lesson plans for 30 students. Now AI can do it for 30 million. Here is how to actually build it, what it costs, and where most EdTech teams get stuck.
AI & strategy · Apr 20, 2026 · 15 min read
How Much Does It Cost to Build a Patient Portal in 2026?
Patient portals are no longer a nice-to-have. They are a federal requirement and a revenue driver. Here is what it actually costs to build one, from a basic MVP to a fully integrated platform.
Cost & planning · Apr 20, 2026 · 14 min read
How Much Does It Cost to Add AI Features to an Existing App?
The cost to add AI features to your existing app ranges from $5K to $150K+, depending on the feature type, your current architecture, and how deeply AI needs to integrate with your product logic.
Cost & planning · Apr 20, 2026 · 14 min read
How Much Does It Cost to Build a Compliance Training Platform?
Off-the-shelf LMS platforms handle generic training fine. But when you need SOX audit trails, HIPAA-specific assessments, or EU AI Act modules with real enforcement teeth, you are looking at custom development. Here is what it actually costs.
Cost & planning · Apr 20, 2026 · 13 min read
How Much Does It Cost to Build an AI Data Pipeline in 2026?
Every production ML model is only as good as the data feeding it. Building a reliable AI data pipeline costs $80K to $750K+ depending on whether you need batch ingestion, real-time streaming, feature stores, or vector embedding pipelines.
Cost & planning · Apr 20, 2026 · 14 min read
How to Build a GovTech Procurement Platform From Scratch
Government procurement is a $700B annual market trapped in PDFs and spreadsheets. Here is how to build the platform that modernizes it, without drowning in compliance paperwork.
How to build · Apr 20, 2026 · 15 min read