/ the studio
A small studio with a long horizon.
Black Stone Row LLC designs, builds, and runs its own products. Apps, brands, and the systems underneath them — shipped small, refined over years, and operated rather than handed off.
That operating experience is what we bring to outside work. We take on two builds at a time so the standard doesn't move, and we stay accountable after launch.
/ what we cover
One studio, whole surface.
Product
Positioning, scope, and the decisions about what not to build. Most projects fail on scope before they fail on code.
Design
Interface, typography, motion, and the brand system around it. Designed in the medium it ships in, not in flat mockups.
Engineering
React and TypeScript on the web, native and cross-platform on iOS and Android, Postgres and serverless functions underneath.
Operations
Analytics, support flows, transactional email, monitoring. The unglamorous layer that decides whether a product survives.
/ what we hold to
Three positions, held stubbornly.
- 01
Compounding beats launching
A product that keeps working is worth more than five that spike and die. We optimise for the second year.
- 02
Ownership over hours
We take the whole problem — strategy through operations — because accountability disappears the moment it's split.
- 03
Constraint is the method
A small studio can't fake capacity, so we say no often and finish what we start.
/ the stack
Boring tools, chosen on purpose.
- Web
- React, TypeScript, Tailwind, TanStack
- Mobile
- Swift and Flutter, iOS and Android
- Backend
- Postgres, row-level security, edge functions
- AI
- Model APIs used as infrastructure, not decoration
- Motion
- Framer Motion, restrained and purposeful
- Ops
- Transactional email, analytics, error reporting
/ questions
The short answers.
- What is Black Stone Row?
- Black Stone Row LLC is a small, founder-led product studio. We design, build, and operate our own apps and brands, and take on a small number of outside builds to the same standard.
- What do you build?
- Mobile apps for iOS and Android, websites and web products, automations, and the brand systems around them. Onus, Trade Estimate AI, and CarniLedger are live on the App Store and Google Play; Ghosted: Smart Presence is live on macOS.
- Who is it for?
- People with a specific problem worth solving properly: operators, founders, and small teams who want something built once, finished, and still working in a year rather than rebuilt every season.
- Do you take on outside work?
- Yes, selectively. We schedule a small number of outside builds so the products we already run keep getting the attention they need. The build page explains what we take on and how engagements run.
- How do I get in touch?
- Email support@blackstonerow.com or use the enquiry form on the build page. The person who reads it is the person who does the work.
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