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JP the Cat vs Onyx

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

JP the Cat compared with Onyx
DetailJP the Cat logo JP the CatOnyx logo Onyx
What it doesTrack token usage and costs for AI coding agents on your Mac Connected things and journeys, crafted like gems
StageNot given Not given
FoundedNot given Not given
Based inNot given IT
Pricing modelPaid Not given
Pricing$12.99 one-time for one Mac; $9.99 per additional Mac. Includes free updates. 7-day free trial with no card required. After trial, the menu-bar cost total stays free; a license unlocks the full dashboard, widget, and alerts. Not given
Key features
  • Real-time menu bar cost display with cache-aware deduplication for Claude
  • Official 5-hour and weekly limit percentages for Codex, Claude, and Grok
  • macOS widget in small, medium, and large sizes
  • 24 themes including Sunlit light and Midnight dark modes
  • Per-provider and per-model cost breakdown dashboard
  • Configurable 7, 14, 30, or 90-day time windows
  • 80% usage alert with native macOS banner and optional meow sound
  • Notarized by Apple and Developer ID signed
  • Local-first design with no data upload to servers
  • Docstack NoSQL Framework with relational structure and admin tooling
  • Prismal Design System with reusable and customizable components
  • React component library with responsive props and accent theming
  • Prismal WordPress theme integrating React components in Gutenberg
  • Database that runs inside applications with filtered replication and encryption
What makes it different
  • Accurate real-dollar costs for Claude with cache awareness, unlike free tools that misprice cache tokens
  • Native Swift app with no Electron, designed for performance and minimal menu bar footprint
  • One-time purchase with free updates, no subscription or account required
  • Completely local data privacy—no prompts, code, or tokens ever leave your Mac
  • Good abstractions that make complexity composable rather than hiding it
  • Pragmatic UI/UX blending functionality with great user experiences
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)5 no change since last check2 no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)2017
Referring domains (Majestic)292

3 details filled in for both companies.

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