Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
Tigris vs Cloudflare R2 vs Backblaze B2: Object Storage Compared in 2026
Object storage is the quiet budget killer in modern SaaS. In 2026, Tigris, Cloudflare R2, and Backblaze B2 each solve different problems. Here is the honest comparison for startups choosing where to park their files.
Technology · Mar 13, 2026 · 13 min read
Effect-TS vs Zod vs fp-ts: Functional TypeScript Compared in 2026
Effect-TS exploded in 2025. Zod is everywhere. fp-ts still has die-hard fans. Here is the honest comparison of how each one reshapes your TypeScript codebase and when it is worth the learning curve.
Technology · Mar 13, 2026 · 13 min read
uv vs Poetry vs Rye: Python Package Managers for Startups in 2026
Astral's uv shipped and changed Python tooling forever. Poetry had its best years behind it. Rye merged with uv. Here is the honest 2026 comparison of where Python package management lands for startup teams.
Technology · Mar 13, 2026 · 13 min read
Privacy-First App Architecture: Zero-Trust Design for Startups
Privacy-first design shifted from compliance checkbox to competitive advantage in 2026. Here is how to architect apps with zero-trust principles, data minimization, and on-device processing.
Technology · Mar 12, 2026 · 14 min read
TanStack Ecosystem Guide: Start, Router, Query, and DB in 2026
TanStack expanded into a full ecosystem in 2025-2026 with Start, DB, Form, and AI. Here is a unified guide to the entire TanStack stack as a Next.js alternative.
Technology · Mar 12, 2026 · 14 min read
AI for Marketplace Growth: Matching, Pricing, and Trust in 2026
Two-sided marketplaces struggle with cold-start, pricing, and trust. AI-powered matching, dynamic pricing, and fraud detection can increase liquidity by 30 to 50%.
AI & strategy · Mar 12, 2026 · 14 min read
How Much Does It Cost to Build a Dating App in 2026?
Dating app development cost ranges from $80K for a focused MVP to $400K+ for a Tinder-class product. Here is exactly where the money goes and how to spend it well.
Cost & planning · Mar 12, 2026 · 13 min read
How Much Does It Cost to Build a Neobank or Digital Banking App in 2026?
Building a neobank is not like building a normal app. You are plugging into banking rails, regulators, card networks, and fraud systems that each carry their own price tag. Here is what it actually costs in 2026.
Cost & planning · Mar 12, 2026 · 14 min read
How Much Does It Cost to Build a Wedding Planning App in 2026?
A founder-friendly breakdown of what it actually costs to build a wedding planning app in 2026, from MVP budget trackers to full vendor marketplaces with payments, RSVPs, and real-time couple collaboration.
Cost & planning · Mar 12, 2026 · 13 min read
How Much Does It Cost to Build a Tour and Activity Booking App in 2026?
Real numbers, vendor recommendations, and feature tradeoffs for building a tour and activity booking app in 2026, from lean MVPs to multi-region marketplaces.
Cost & planning · Mar 12, 2026 · 13 min read
How Much Does It Cost to Build a Used Car Marketplace App in 2026?
A founder-friendly breakdown of what it really takes to build a used car marketplace in 2026, with vendor pricing, team math, and the hidden costs nobody talks about.
Cost & planning · Mar 12, 2026 · 14 min read
How to Build a Used Car Marketplace App Like Carvana in 2026
A founder's playbook for used car marketplace development in 2026, covering inventory sourcing, VIN data, valuation, financing, and the unit economics that actually work.
How to build · Mar 12, 2026 · 15 min read