Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
How Much Does Drone Fleet Management Software Cost in 2026?
Commercial drone operations require fleet management software that handles flight planning, airspace compliance, real-time telemetry, and maintenance scheduling. The cost depends heavily on whether you need basic flight logging or full autonomous fleet coordination.
Cost & planning · Mar 22, 2026 · 14 min read
How Much Does It Cost to Build a Second Brain Note App in 2026?
Second brain apps like Reflect, Tana, and Mem are the hottest productivity category in 2026. Here is what it costs to build one with AI-powered linking, graph visualization, and real-time sync.
Cost & planning · Mar 20, 2026 · 13 min read
How Much Does It Cost to Build an AI Legal Assistant in 2026?
AI legal assistants are reshaping how law firms and legal teams handle contract review, research, and compliance. Here is what it actually costs to build one from scratch versus buying off the shelf.
Cost & planning · Mar 19, 2026 · 14 min read
How Much Does It Cost to Build a Shopify App or Plugin in 2026?
The Shopify App Store generates over $2B in partner revenue annually. Here is what it actually costs to build a Shopify app, from simple plugins to full-featured public apps.
Cost & planning · Mar 19, 2026 · 13 min read
How Much Does It Cost to Build a BNPL App Like Affirm in 2026?
BNPL transaction volume hit $560B globally in 2025. Building a buy now, pay later app from scratch requires fintech expertise, lending licenses, and serious compliance infrastructure.
Cost & planning · Mar 19, 2026 · 14 min read
How Much Does It Cost to Build a Webinar Platform Like Zoom?
Building a webinar platform means solving video encoding, real-time interaction, and recording at scale. Here is the real cost breakdown for each component.
Cost & planning · Mar 19, 2026 · 13 min read
How Much Does It Cost to Build an AI Avatar and Digital Human App in 2026?
HeyGen, Synthesia, and Captions turned talking-head video from a production chore into an API call. Here is what it actually costs to build an AI avatar platform that competes.
Cost & planning · Mar 17, 2026 · 14 min read
How Much Does It Cost to Build a Digital Twin Smart Building App in 2026?
Smart building digital twins are a $12B market with Azure Digital Twins and NVIDIA Omniverse driving enterprise adoption. Here is what it actually costs to build one.
Cost & planning · Mar 17, 2026 · 14 min read
How Much Does It Cost to Build an AI Interview Platform in 2026?
A detailed 2026 cost guide for building an AI interview platform, covering speech-to-text pipelines, video storage, bias audits, EEOC compliance, and ATS integrations with Greenhouse, Lever, and Workday.
Cost & planning · Mar 17, 2026 · 14 min read
How Much Does It Cost to Build an Expense Management App Like Ramp in 2026?
Ramp hit a $13B valuation in 2025 and Brex is not far behind. Here is what it actually costs to build a vertical expense management platform that can compete.
Cost & planning · Mar 17, 2026 · 14 min read
How Much Does It Cost to Build a Solar Installer App in 2026?
US solar installs grew 51% in 2025 and most contractors still run on email and spreadsheets. Here is what it costs to build software that fixes that.
Cost & planning · Mar 17, 2026 · 13 min read
How Much Does Apple Vision Pro Spatial App Development Cost in 2026?
Apple Vision Pro shipped over 500K units by early 2026. Building a spatial app is not a cheap iOS port. Here's what a visionOS app actually costs.
Cost & planning · Mar 15, 2026 · 13 min read