# Vadim Drobinin

> Founder & iOS Engineer with 10+ years crafting award-winning apps. Featured by Apple, acquired by Twitter, recognised by CES & Webby Awards. Expert in security consulting, architecture, and medical-grade system design.

## About

Vadim Drobinin is a founder and iOS engineer based in the UK, running Drobinin Limited (registered in Scotland, SC786293). He specialises in Apple platform development — iPhone, iPad, Mac, Apple Watch, Apple TV, and Vision Pro — with deep expertise in SwiftUI, The Composable Architecture (TCA), medical device apps, and security audits.

## Apps

Vadim builds and ships indie iOS apps. Notable apps include:

- **Docket** — Dev release tracker for indie devs. Focus dashboard, Kanban, CLI + MCP server, App Store Connect sync, launch calendar. Runs on macOS, iOS, and iPadOS.
- **Lexie** — Tamagotchi-inspired blob companion that helps you learn French through pet-care interactions and voice recognition.
- **Fermento** — Fermentation and HACCP automation companion with smart notifications and food safety analytics.
- **Murmur** — AI-powered phone anxiety practice app with realistic voice conversations. Build confidence for difficult calls.
- **Silk** — Private intimate wellness tracker with calculator disguise for discretion.
- **Layered** — AI stylist and wardrobe manager powered by Apple's on-device Foundation models.
- **Glint** — Morse code translator, trainer, and emergency signaling tool using flashlight and sound.
- **Constellation** — Walk through your Markdown vault in 3D on Vision Pro. Notes become stars, links become light.
- **Notch** — Precision shooting target coach with custom computer vision pipelines and VisionKit.
- **Residency** — Navigate global tax, visa, and citizenship requirements with compliance checks and widgets.
- **PathFlip** — Turn travel chaos into adventure with intelligent backup plans.

All apps are available at: https://drobinin.com/apps

## Writing

Technical blog covering iOS engineering, reverse engineering, medical-grade systems, and building software. Posts available at: https://drobinin.com/writing/

Notable posts:
- "The Whole App is a Blob" — Building Lexie, a Tamagotchi language learning app
- "You can't cURL a Border" — State machines, travel, and timezone conspiracy theories
- "How I Accidentally Became PureGym's Unofficial Apple Wallet Developer"
- "Designing Software for Things That Rot" — Building Fermento
- "Apple's Problem with Bodies" — iOS medical device challenges

## Speaking

Conference talks on iOS engineering topics. Full list at: https://drobinin.com/talks/

## Consulting

Available for iOS consulting at £650/day or £110/hr advisory. Specialities: SwiftUI, TCA, medical apps, security audits, visionOS.
Details: https://drobinin.com/consulting

## Links

- Website: https://drobinin.com
- GitHub: https://github.com/valzevul
- LinkedIn: https://www.linkedin.com/in/valzevul/
- Twitter: https://twitter.com/valzevul
- RSS: https://drobinin.com/feed.xml