CodexBar answers "how much of my limit is left, and when does it reset", for a long list of providers, and it is free. Cost Doctor answers that for Claude Code and Codex, then goes on to "which session used it, when will I run out, and what should I change".
| CodexBar | Cost Doctor | |
|---|---|---|
| What it is | Menu bar app for macOS 14 and later, also on Linux | Menu bar app for macOS 13 and later, Apple silicon and Intel |
| Price | Free, open source | $19 once, 14-day free trial |
| Main view | Limit windows per provider with countdowns to the next reset | Limits with a run-out forecast, then today's tokens by session with advice |
| Limit shown in the menu bar | Yes | Yes, your most-used limit |
| Forecast of when you run out | Not its focus | Yes, and it names the session using the most |
| Providers | A long list of AI coding providers | Claude Code and Codex |
| Per-session breakdown and causes | Not its focus | Yes |
| Alerts when a check fails or a session stalls | No | Yes, with a red screen frame |
What the other tool does and costs is taken from its own page, as checked in November 2026. Tools change; check their page for the current details.
Choose CodexBar if
- You mainly want to know whether you can start a long task before the next reset.
- You use many providers and want them all in one place.
- You want something free.
Choose Cost Doctor if
- You keep running out and want to know why.
- You want each session's starting size, current size and subagent share.
- You want a red alert when a pull request check fails while an agent waits.
They read the same information and do not conflict. You can run both.
See it on your own sessions
Cost Doctor is a Mac menu bar app that reads the logs Claude Code and Codex already write. It names the session that is using your tokens, says why, and turns your screen red when a check fails while an agent sits waiting. Nothing leaves your Mac.
Download the free trialHow it works14 days free, no account. Then $19 once, plus tax where it applies. For Apple silicon and Intel Macs on macOS 13 or later.