---
title: "WriteStack: Substack Notes Scheduler & Analytics – Chrome extension stats, history and permissions"
description: "1,000 users, rated 4.43 by 7 people. Version 1.5.20, updated 2026-09-27. Requests 7 permissions."
url: "https://extensiontracker.com/extension/emdlbnkhjpfcooclfbodmhkhkohcjaoa"
---

# WriteStack: Substack Notes Scheduler & Analytics

Live in the Chrome Web Store.

- Users: 1,000
- Rating: 4.43 from 7 ratings
- Last checked: 2026-09-28 05:38 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #17,733 of 264,703 live extensions
- Rank in Tools: #4,498 of 103,498

## The listing

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

Summary from the listing:

> Schedule Substack Notes in advance, batch your writing, queue posts, and see which notes actually grow your Substack.

- Extension ID: `emdlbnkhjpfcooclfbodmhkhkohcjaoa`
- Developer: [Orel Zilberman](https://extensiontracker.com/developer/udcb3b8ba4c9434bc3ea00b31007307e7)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2025-03-23
- Last updated: 2026-09-27
- Version: `1.5.20`
- Size: 1.63 MiB
- Minimum Chrome: 88
- Languages (1): English (United States)
- Website: `writestack.io`
- Chrome Web Store: <https://chromewebstore.google.com/detail/writestack-substack-notes/emdlbnkhjpfcooclfbodmhkhkohcjaoa>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Femdlbnkhjpfcooclfbodmhkhkohcjaoa>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-28 | 1,000 | 4.43 | 7 |
| 2026-09-27 | 1,000 | 4.43 | 7 |

## What changed

Every change found on a check, newest first.

- 2026-09-28: New version `1.5.20`, replacing `1.5.19`.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://*.substack.com/*`: substack.com and its subdomains
- `https://*.writeroom.co/*`: writeroom.co and its subdomains
- `https://*.writestack.io/*`: writestack.io and its subdomains
- `https://writeroom-app-dev.s3.us-east-1.amazonaws.com/*`: writeroom-app-dev.s3.us-east-1.amazonaws.com

### Sites where it runs scripts

- `https://*.substack.com/*`: substack.com and its subdomains

### Browser features

- `alarms`: Run tasks on a schedule
- `cookies`: Read and change cookies on the sites it can reach
- `storage`: Save settings and data in your browser

### Asked for later, if you agree

- `https://*/*`: Every website

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [SubstackCRM](https://extensiontracker.com/extension/combhepmfifencobonbgbnopkoihlecn) | 11 | – | – | Communication |
| [SubSync](https://extensiontracker.com/extension/fjodjibbggenedcaijhmlbpelikjahbj) | 6 | – | – | Developer Tools |

All 3 extensions by [Orel Zilberman](https://extensiontracker.com/developer/udcb3b8ba4c9434bc3ea00b31007307e7).

## 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 2026-09-28 05:38 UTC; next check around 2026-10-05.

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

## Cite this page

Extension Tracker. “WriteStack: Substack Notes Scheduler & Analytics” (emdlbnkhjpfcooclfbodmhkhkohcjaoa). Chrome Web Store data, last checked 2026-09-28. https://extensiontracker.com/extension/emdlbnkhjpfcooclfbodmhkhkohcjaoa. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_emdlbnkhjpfcooclfbodmhkhkohcjaoa,
  title   = {WriteStack: Substack Notes Scheduler & Analytics (emdlbnkhjpfcooclfbodmhkhkohcjaoa)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-28},
  url     = {https://extensiontracker.com/extension/emdlbnkhjpfcooclfbodmhkhkohcjaoa},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/emdlbnkhjpfcooclfbodmhkhkohcjaoa>. 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`.