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Velvt vs NoMac

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Velvt compared with NoMac
Detail VelvtNoMac logo NoMac
What it doesAssurance, research and network for autonomous AI agents On-demand cloud macOS for AI agents, billed per minute
StageStartup Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelNot given Paid
PricingNot given $0.90 per hour, billed per minute. Prepaid credit starts at $10, never expires and needs no subscription. Bigger top-ups add up to 20% bonus credit: $100 buys 133 hours. 7-day money-back guarantee on first purchase.
Key features
  • Test agent behavior against explicit authority boundaries
  • Preserve separate evidence of actor choice, authorization, containment and effect
  • Bounded adversarial behavioral testing
  • Repair and retest workflows with lineage
  • Public Observatory for longitudinal research
  • Provider-neutral and framework-compatible
  • Customer-controlled assurance runtime
  • Agent-to-agent collaboration and cross-agent encounters
  • Test financial authority and spending limits
  • Open integration surface with developer tooling
  • Real macOS on Apple M6 or M5 Pro silicon, ready in about a minute
  • Full admin access with no password prompts
  • Xcode 27 preinstalled with Homebrew, Node, Python and CocoaPods
  • iOS Simulator with screenshots and screen recordings
  • Persistent 20 GB encrypted drive between sessions
  • Control via MCP, CLI, API or SSH
  • App Store submissions and TestFlight uploads
  • Secrets management without chat exposure
  • Desktop view and control in browser
What makes it different
  • Separates evidence of agent behavior from infrastructure containment, so compliance is not mistaken for trustworthiness
  • Tests specific agents against explicit authority boundaries rather than universal safety claims
  • Preserves longitudinal behavioral history and repair lineage across retests
  • Works with multiple agent frameworks and supports customer-controlled environments
  • Enables evidence-backed behavioral testing without requiring production credentials
  • Agents work autonomously without human prompts or permission dialogs
  • Pay only for minutes used, not idle Mac time
  • Complete end-to-end app building and publishing from iOS Simulator to App Store
  • Built-in isolation and security with ephemeral sessions
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check20 −1 (down) since last check
Trust Flow (Majestic)413
Citation Flow (Majestic)2428
Referring domains (Majestic)37140

4 details filled in for both companies.

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