---
title: "The Jack Westin MCAT® Chrome Extension – Chrome extension stats, history and permissions"
description: "40,000 users, rated 3.72 by 117 people. Version 2.6.1, updated 2026-11-12. Requests 6 permissions."
url: "https://extensiontracker.com/extension/jgglfdpjpddcdaeapbcfgckfheabbdpi"
---

# The Jack Westin MCAT® Chrome Extension

Live in the Chrome Web Store.

- Users: 40,000
- Rating: 3.72 from 117 ratings
- Last checked: 2026-11-13 05:44 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #2,796 of 292,125 live extensions
- Rank in Workflow & Planning: #956 of 49,295

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> This extension allows users who have purchased AAMC practice material to view the Jack Westin tutor solution on the AAMC website.

- Extension ID: `jgglfdpjpddcdaeapbcfgckfheabbdpi`
- Developer: [Jack Westin Team](https://extensiontracker.com/developer/u434aba16c4f39a4b596ae2c255ec6694)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2019-08-06
- Last updated: 2026-11-12
- Version: `2.6.1`
- Size: 1.74 MiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `https://www.jackwestin.com/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/the-jack-westin-mcat%C2%AE-chr/jgglfdpjpddcdaeapbcfgckfheabbdpi>
- View its code or download CRX: <https://crxpeek.com/extension/jgglfdpjpddcdaeapbcfgckfheabbdpi>
- Search Google for the ID: <https://www.google.com/search?q=%22jgglfdpjpddcdaeapbcfgckfheabbdpi%22&tbs=li:1>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-13 | 40,000 | 3.72 | 117 |
| 2026-11-12 | 40,000 | 3.72 | 117 |
| 2026-11-05 | 40,000 | 3.72 | 117 |
| 2026-10-29 | 40,000 | 3.72 | 117 |
| 2026-10-22 | 40,000 | 3.72 | 117 |
| 2026-10-15 | 40,000 | 3.72 | 117 |
| 2026-10-08 | 40,000 | 3.83 | 117 |
| 2026-10-01 | 40,000 | 3.83 | 117 |
| 2026-09-27 | 40,000 | 3.83 | 117 |

## What changed

Every change found on a check, newest first.

- 2026-11-13: New version `2.6.1`, replacing `2.6.0`.
- 2026-11-12: New version `2.6.0`, replacing `2.5.12`.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-27.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://*.google-analytics.com/*`: google-analytics.com and its subdomains
- `https://*.jackwestin.com/*`: jackwestin.com and its subdomains
- `https://www.mcatofficialprep.org/*`: www.mcatofficialprep.org

### Sites where it runs scripts

- `https://*.jackwestin.com/*`: jackwestin.com and its subdomains
- `https://jackwestin.com/*`: jackwestin.com
- `https://www.mcatofficialprep.org/*`: www.mcatofficialprep.org

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-11-13 05:44 UTC; next check around 2026-11-20.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “The Jack Westin MCAT® Chrome Extension” (jgglfdpjpddcdaeapbcfgckfheabbdpi). Chrome Web Store data, last checked 2026-11-13. https://extensiontracker.com/extension/jgglfdpjpddcdaeapbcfgckfheabbdpi. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_jgglfdpjpddcdaeapbcfgckfheabbdpi,
  title   = {The Jack Westin MCAT® Chrome Extension (jgglfdpjpddcdaeapbcfgckfheabbdpi)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-13},
  url     = {https://extensiontracker.com/extension/jgglfdpjpddcdaeapbcfgckfheabbdpi},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/jgglfdpjpddcdaeapbcfgckfheabbdpi>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.