---
title: "Check Competitor Stock Levels - Inventory Spy – Chrome extension stats, history and permissions"
description: "7,000 users, rated 3.30 by 33 people. Version 3.0.1, updated 2024-07-29. Requests 3 permissions."
url: "https://extensiontracker.com/extension/jnflnneeofinkbkcdcmbagjloaiaagjn"
---

# Check Competitor Stock Levels - Inventory Spy

Live in the Chrome Web Store.

- Users: 7,000
- Rating: 3.30 from 33 ratings
- Last checked: 2026-09-27 03:54 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #8,855 of 264,703 live extensions
- Rank in Workflow & Planning: #2,799 of 44,474

## The listing

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

Summary from the listing:

> Spy how many products remain on any Amazon Product’s offer listing page. Check your competitor’s stock!

- Extension ID: `jnflnneeofinkbkcdcmbagjloaiaagjn`
- Developer: [rebelsoftwarellc](https://extensiontracker.com/developer/ua859bc9616c409c8b214af6d9746dcf3)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2017-01-29
- Last updated: 2024-07-29
- Version: `3.0.1`
- Size: 34.87 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `rebelsoftwarellc.com`
- Support page: `https://rebelsoftwarellc.com`
- Chrome Web Store: <https://chromewebstore.google.com/detail/check-competitor-stock-le/jnflnneeofinkbkcdcmbagjloaiaagjn>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fjnflnneeofinkbkcdcmbagjloaiaagjn>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 7,000 | 3.30 | 33 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites where it runs scripts

- `*://*.amazon.sg/*`: amazon.sg and its subdomains
- `*://rebelsoftwarellc.com/*`: rebelsoftwarellc.com
- `*://www.amazon.ca/*`: www.amazon.ca
- `*://www.amazon.cn/*`: www.amazon.cn
- `*://www.amazon.co.jp/*`: www.amazon.co.jp
- `*://www.amazon.co.uk/*`: www.amazon.co.uk
- `*://www.amazon.com.au/*`: www.amazon.com.au
- `*://www.amazon.com.br/*`: www.amazon.com.br
- `*://www.amazon.com/*`: www.amazon.com
- `*://www.amazon.de/*`: www.amazon.de
- `*://www.amazon.es/*`: www.amazon.es
- `*://www.amazon.fr/*`: www.amazon.fr
- `*://www.amazon.in/*`: www.amazon.in
- `*://www.amazon.it/*`: www.amazon.it
- `*://www.amazon.mx/*`: www.amazon.mx
- `*://www.amazon.nl/*`: www.amazon.nl

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser

## 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 2026-09-27 03:54 UTC; next check around 2026-10-04.

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

## Cite this page

Extension Tracker. “Check Competitor Stock Levels - Inventory Spy” (jnflnneeofinkbkcdcmbagjloaiaagjn). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/jnflnneeofinkbkcdcmbagjloaiaagjn. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_jnflnneeofinkbkcdcmbagjloaiaagjn,
  title   = {Check Competitor Stock Levels - Inventory Spy (jnflnneeofinkbkcdcmbagjloaiaagjn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/jnflnneeofinkbkcdcmbagjloaiaagjn},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/jnflnneeofinkbkcdcmbagjloaiaagjn>. 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. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.