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Bitrig

Active

Build and ship native Swift apps with AI

S25·Summer 2025·B2B·San Francisco, CA, USA·Team of 3·Founded 2025

About

Made by co-creators of SwiftUI, Bitrig is an AI development environment for Apple platforms. It works with real Xcode projects, features built-in simulators, and automates the App Store Connect busy work. You can add in-app purchase and publish to the App Store with just a prompt. Bring your own Claude or ChatGPT subscription.

Founders

  • Kyle Macomber· Founder/CEO

    Kyle is the co-founder and CEO of Bitrig. Before Bitrig, Kyle spent over a decade at Apple where he co-created and led the development of SwiftUI. He also managed teams behind Swift Charts, WidgetKit, and the Swift Standard Library. Kyle holds a degree in Computer Science from Stanford University.

  • Tim Donnelly· Founder

    Co-founder at Bitrig. Previously SwiftUI at Apple, Square, co-founder at Storehouse (acquired by Square). BFA Design, University of Washington.

  • Jacob Xiao· Founder

    Jacob is a co-founder of bitrig. Before bitrig, Jacob spent 15 years at Apple, where he co-created and led the development of SwiftUI. He also contributed to Xcode and UIKit during his time there. Prior to Apple, Jacob built Opacity, a graphical design tool.

Product launches · 1 launch

Change history · 6 recorded

  1. September 10, 2026
    • Pitch updated07:00 PM
    • Description rewritten07:00 PM
    • Former names updated07:00 PM
  2. September 6, 2026
    • YC partner updated08:00 PM
    • Founder profile updated08:00 PM
    • Launches refreshed08:00 PM