See your Claude.ai and ChatGPT usage limits live in your macOS menu bar — zero setup, reads browser cookies automatically.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac

onWatch is described as 'Free, open-source CLI tool that tracks Synthetic, Z.ai, and Anthropic (Claude Code) API quota usage in real time' and is an app in the os & utilities category. There are six alternatives to onWatch for Mac, iPhone and iPad. The best onWatch alternative is AIQuotaBar, which is both free and Open Source. Other great apps like onWatch are CodeQuota, Claude Usage, Usage for claude and Usage4Claude.
See your Claude.ai and ChatGPT usage limits live in your macOS menu bar — zero setup, reads browser cookies automatically.

A lightweight macOS menubar app that displays your Claude Code usage limits at a glance.

Monitor your Claude subscription usage from your menu bar. Track session & weekly limits with beautiful widgets. Never hit limits unexpectedly.






Monitor AI is an app designed for users using API powered by OpenAI. This app helps users to keep track of their API costs and usage



