OpenDMG
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gas for Mac

Menu bar tracker for Claude, OpenAI, and Grok session, weekly, and per-model usage.

By gilador. Free and open source, MIT licence.

Get it with OpenDMG View source on GitHub

gas at a glance

Version
1.0.33
Released
5 November 2026
Download size
1.5 MB
Works on
Apple silicon and Intel
Licence
MIT
Category
Artificial Intelligence
Developer
gilador
GitHub stars
16

About gas

Never hit your Claude, Codex or Grok limit by surprise. Live session and weekly usage in the macOS menu bar

Screenshots

gas screenshot 1

How to install gas on a Mac

  1. Get OpenDMG. It is a free app store for open source Mac apps. Download OpenDMG.
  2. Search for gas and press Get. OpenDMG downloads version 1.0.33 from gilador's own GitHub release.
  3. Open it. The download is checked against its SHA-256 fingerprint and its signature is checked on your Mac before it lands in Applications.

Updates to gas show up in OpenDMG and install with one button. No account is needed.

Prefer to do it by hand? The developer's file is on GitHub: gas-1.0.33.dmg (1.5 MB).

What is new in gas 1.0.33

## What's new
- Menu bar size slider from 12 to 18 pt (#18)

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**Install**
1. Download the `.pkg` below and open it.
2. gas is free and open source, so it isn't signed with a paid Apple Developer ID. The first time, macOS asks you to confirm: click **Done**, open **System Settings → Privacy & Security**, and click **Open Anyway**.
3. When you update, macOS asks to let Installer modify apps. Click **Allow**.

Already on gas 1.0.24 or later? It updates itself from inside the app.

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