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ARM64JS vs Gnista

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

ARM64JS compared with Gnista
DetailARM64JS logo ARM64JSGnista logo Gnista
What it doesARMv8-A emulator that boots Alpine Linux in the browser Monitor coding agents from your Mac's notch and get notified when they need you
StageNot given Not given
FoundedNot given Not given
Based inNot given DK
Pricing modelFreemium Paid
PricingNot given €19 one-time personal licence with one year of updates, then €9/year for additional updates. Team plans: €75/year for 5 Macs (€15 per Mac), €140/year for 10 Macs (€14 per Mac), €300/year for 25 Macs (€12 per Mac). 7-day free trial.
Key features
  • Multi-vCPU support
  • VM state snapshots stored in browser storage
  • Package management via apk
  • Docker support
  • WebSocket-to-TCP proxy for internet access
  • Monitor multiple coding agents with status indicators (working, done, waiting)
  • Approve or deny agent requests directly from the notch without leaving your workflow
  • Jump to the exact terminal tab or editor window where an agent is running
  • Answer agent questions directly from the notch for supported agents
  • Smart notifications that respect Focus modes, Zoom calls and screen sharing
  • Display model costs and context window usage for each agent run
  • Connect to agents running on remote Linux servers over SSH
  • Support for custom agents via JSON webhook
  • Keyboard shortcuts for common actions (⌘Y to allow, ⌘N to deny)
What makes it different
  • Full Alpine Linux environment with real kernel and binaries
  • Persistent VM state across page reloads
  • Works with 30+ coding agents out of the box, all monitored in one place
  • Answer agent requests without context-switching, directly from the notch
  • Notifications that respect your Focus, calls and screen sharing to stay distraction-free
  • One-time personal licence with ongoing free updates for a year, then optional €9/year
  • No telemetry, no account required, and all sessions stay on your Mac
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)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)130
Referring domains (Majestic)90

4 details filled in for both companies.

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