Sentnl 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.

Sentnl compared with JP the Cat
Detail	Sentnl	JP the Cat
What it does	Protect your client retainers from silent AI failures	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	Free: 500 transactions per month, no credit card required	$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	Real-time transaction monitoring Empty output detection Instant email notifications 5-minute webhook setup Integration with major automation platforms No database required Free tier with 500 transactions monthly	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	Built specifically for AI agencies and freelancers managing client workflows Catches soft failures instantly before clients notice No credit card required for free tier Simple webhook integration without custom monitoring scripts	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)	1 −1 (down) since last check	5 no change since last check
Trust Flow (Majestic)	0	1
Citation Flow (Majestic)	5	20
Referring domains (Majestic)	20	29

5 details filled in for both companies.

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