ApiNotes vs JP the Cat

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

ApiNotes compared with JP the Cat
Detail	ApiNotes	JP the Cat
What it does	API documentation tool with automatic changelogs and breaking-change detection	Track token usage and costs for AI coding agents on your Mac
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Paid
Pricing	Starter: Free (1 API, public only, up to 25 subscribers); Team: $19/month (5 APIs, unlimited subscribers)	$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.
Key features	Automatic API Changelog Generation Breaking-Change Detection & Diffs Interactive REST API Documentation OpenAPI 3.1, 3.0 & Swagger 2.0 Support Code Examples in 10+ Languages Custom Domain Support GitHub Integration OpenAPI Validator Spec Diff Tool cURL to OpenAPI Converter	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
What makes it different	Auto-written changelog with breaking-change alerts on every spec update 80% cheaper than Stoplight and ReadMe 5-minute setup with no complex configuration Interactive API testing built into documentation Automatic subscriber notifications on spec changes	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
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	25 −1 (down) since last check	5 no change since last check
Trust Flow (Majestic)	10	1
Citation Flow (Majestic)	26	20
Referring domains (Majestic)	65	29

5 details filled in for both companies.

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