Stream and control your Simulator.
Authenticated access for your iOS Simulators.
Watch live video, send commands, and save captures.
iOS 26.2
3A1F8B2C
iPadOS 26.1
E7D04A9F
iOS 26.0
B9C2E61D
Prompt. Build. See it live.
When an agent builds and launches your app, SimCast gives you a live browser view of the Simulator plus the controls to inspect what changed.
From Mac to dashboard in seconds
Live streaming
Each Simulator window is captured with ScreenCaptureKit, hardware-encoded as H.264, and delivered to the web dashboard over LiveKit video streaming.
Remote touch
Tap, swipe, scroll, and long-press from the web dashboard. Commands travel through Supabase Realtime Broadcast, then AXe injects them into the Simulator.
Advanced features
Type in focused fields, open deep links, send push notifications, and save screenshots or recordings without leaving the dashboard.
Your Simulator, available in the dashboard
Authenticated web dashboard
Sign into the web dashboard with the same account as the macOS app to view and control local simulators remotely, without screen sharing.
Real touch & gestures
Tap, swipe, scroll, and long-press from the dashboard. SimCast relays commands through AXe and macOS accessibility APIs to trigger real Simulator events.
Simulator controls
Type text, press Home, Lock, or Side buttons, open deep links, and send push notifications directly to the Simulator from the dashboard.
Multi-simulator
Stream multiple simulators at once — QA across devices in parallel from a single dashboard.
Window-level capture
Only the Simulator window is captured — no desktop, no distractions, no accidental screen shares.
Screenshots & recordings
Capture stills and video clips from the dashboard, then browse them later through the built-in media library.
Part of the AI development stack
AI agents are a strong fit for SimCast, but the core loop stays grounded: build on your Mac, then inspect and control the Simulator from the web dashboard.
XcodeBuildMCP
An MCP server that gives AI agents direct access to Xcode so they can build, install, launch, and test iOS apps in the Simulator without leaving the agent loop. Pair it with SimCast so the agent can build the app while you watch, inspect, and iterate from the dashboard.
AXe
SimCast depends on AXe to translate remote interactions into real Simulator events. Install it with Homebrew and SimCast picks it up automatically for taps, gestures, hardware buttons, and text input.
Built on proven foundations
Apple frameworks for capture and encoding. LiveKit for video streaming. Supabase for auth, Realtime Broadcast, and media storage.
ScreenCaptureKit
Captures individual Simulator windows with low overhead. No desktop chrome, no other apps, no pixel wasted. Combined with VideoToolbox for hardware-accelerated H.264 encoding on Apple silicon.
Open source. Self-hostable. MIT licensed.
Run SimCast on infrastructure you control, audit the code, and adapt the stack to your team's workflow.
View on GitHub