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Claude Monitor vs OpenTabs

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

Claude Monitor compared with OpenTabs
DetailClaude Monitor logo Claude MonitorOpenTabs logo OpenTabs
What it doesFree browser extension that tracks Claude usage limits live in your toolbar Your open tabs, grouped, on every new tab
StageStartup Not given
Founded2026 Not given
Based inNot given Not given
Pricing modelOpen source Open source
PricingFree. Optional paid add-on Claude Monitor Pro on waitlist. Windows app UsagePeek AI: $9.99 one-time purchase (Microsoft Store) with 7-day free trial. Free, under the AGPL-3.0-or-later licence. No paid plans, trials or cards.
Key features
  • Color-coded badge in toolbar showing usage percentage
  • Live countdown to every limit reset
  • Desktop notifications at 80% and 95% usage thresholds
  • Optional bar above Claude.ai chat box displaying limits
  • Tracks 5-hour session, weekly, and per-model usage limits
  • Displays extra-usage credits and Claude Code routine runs
  • Four layout options: Classic, Mixed, Grid, List
  • Six color themes for customization
  • Auto-refresh at customizable intervals
  • Detects Pro, Max, and Team plan types automatically
  • Shows open tabs from every window grouped by site
  • Close all tabs from a site in one click
  • Close duplicate tabs in one press
  • Merge windows into one
  • Customizable briefing with news topics, markets, weather, calendar and to-do list
  • Optional end-to-end encrypted sync between browsers
  • No account required
  • Instantly loads with no network requests on tab open
  • Automatic stale new tab page closing
  • Works completely offline after initial configuration
What makes it different
  • Works on Claude Free plan where usage page shows nothing since August 2026
  • Minimal permissions and read-only design prevents exploitation
  • Shows exact reset times instead of cutting off mid-conversation
  • Only tab manager that shows actual open tabs on the new tab page itself
  • Completely private by design with no account, no tracking and no server storage
  • Zero network delay when opening new tabs
  • Optional sync is end-to-end encrypted so the server never sees your data
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)13 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)1613
Referring domains (Majestic)193

5 details filled in for both companies.

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