Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
How to Build a Gym and Fitness Management SaaS Platform in 2026
Mindbody was acquired for $1.9 billion, proving the gym SaaS market is massive. Here is how to build a modern alternative that gym owners will actually switch to.
How to build · Feb 26, 2026 · 15 min read
How to Build a Church Management App with Community Features
380,000+ US churches spend over $2 billion annually on management software. Most of it is terrible. Here is how to build something congregations will actually use.
How to build · Feb 26, 2026 · 14 min read
How to Build a Real-Time Collaboration Tool Like Figma or Miro
Real-time collaboration is the most architecturally complex feature you can build for a web app. CRDTs changed the game, but the implementation details still trip up most teams.
How to build · Feb 26, 2026 · 15 min read
How to Build a Complete Dental Practice Management App in 2026
Dental software is a $3.5 billion market growing at 10% annually, and legacy tools like Dentrix have terrible UX. Cloud-native alternatives can charge $200-500 per practice per month.
How to build · Feb 26, 2026 · 14 min read
How to Build an AI-Powered Proposal and Quote Generator in 2026
AI proposal generators are the fastest-growing AI tool category for service businesses. Generic AI writers cannot handle custom pricing logic, brand voice, or CRM data. Here is how to build one that can.
How to build · Feb 26, 2026 · 14 min read
How to Build a Ghost Kitchen and Virtual Restaurant App in 2026
Ghost kitchens are a $72 billion market by 2028. Virtual restaurant brands need multi-location ordering, kitchen display systems, and delivery aggregation that standard food delivery guides do not cover.
How to build · Feb 26, 2026 · 14 min read
How to Build a Vertical SaaS Product for Any Niche Industry
Y Combinator and a16z both say vertical SaaS is the top startup category in 2026. The playbook for building industry-specific software is fundamentally different from horizontal SaaS.
How to build · Feb 26, 2026 · 15 min read
How to Build an Internal Tools Dashboard Without Retool in 2026
Retool costs $50/user/month. For a 50-person team, that is $30,000 a year for drag-and-drop CRUD screens. Here is how to build something better for less.
How to build · Feb 24, 2026 · 14 min read
How to Build an Elder Care and Caregiver Coordination App
The elder care app market is projected to reach $11.4B by 2032, yet only 21% of adults over 50 use health apps. Here is how to build one that actually serves this underserved population.
How to build · Feb 24, 2026 · 14 min read
How to Build an Employee Wellness and Corporate Wellbeing App
Corporate wellness is now a top-three HR technology investment. Employers are spending $50+ per employee per month on wellbeing platforms, and off-the-shelf solutions keep disappointing. Here is how to build a wellness app that employers actually renew.
How to build · Feb 24, 2026 · 14 min read
How to Build an AI-Powered Analytics Dashboard for Your SaaS
Your team is still waiting on the data team to pull reports. An AI analytics dashboard lets anyone ask questions in plain English and get charts, summaries, and anomaly alerts in seconds. Here is what it takes to build one.
How to build · Feb 24, 2026 · 14 min read
How to Build a Scalable Notification System for Your App
Multi-channel notification orchestration is table-stakes for modern apps. Here is how to build a notification system that scales without drowning your users in alerts.
How to build · Feb 24, 2026 · 14 min read