On-demand macOS sandboxes where AI agents build iOS and Mac apps with Xcode, billed per second with no minimum.
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1 / 2Overview
What is Offstage Cloud?
On-demand macOS sandboxes for AI agents
Offstage gives AI agents and CI an on-demand macOS sandbox. Build iOS and Mac apps with Xcode, launch them in the Simulator, or hand an agent a real desktop. Pay per second with no 24-hour minimum — a 10-minute run costs about $0.18.
New accounts get $5 of free credit with no credit card required. Each team can run up to 4 open sandboxes and 4 concurrent CI jobs.
Platforms and languages
Offstage Cloud Availability
Platforms
Languages
Capabilities
Offstage Cloud Key Features
macOS on demand
Spin up a macOS sandbox in seconds, running on Mac Studio M5 Max with macOS 27 and Xcode 27.2.
Build and run
Build iOS and Mac apps with Xcode and launch them in the Simulator.
A real desktop for agents
Hand an agent a real macOS desktop it can operate and screenshot.
CI on Apple silicon
Run GitHub Actions on Apple silicon with per-second billing and no 24-hour minimum.
Agent access
Connect Claude Code, Codex or Cursor with an API key; SDK and API reference included.
Best for
Who uses Offstage Cloud?
AI agent developers and iOS/Mac developers
Give agents and CI an on-demand macOS environment
Plans and access
Offstage Cloud Pricing
Paid
$1.10/hour, billed per second; $5 free credit for new accounts
Common questions
Offstage Cloud FAQs
How much does a run cost?
Sandboxes cost $1.10 an hour, billed per second with no minimum — about $0.18 for 10 minutes.
Is there a free trial?
Yes. New accounts get $5 of free credit, with no credit card required.
What hardware do sandboxes run on?
Mac Studio M5 Max machines running macOS 27 with Xcode 27.2.
Can I use it for CI?
Yes. GitHub Actions can run on Apple silicon, with up to 4 concurrent CI jobs per team.
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