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SubstackCRM

Chrome extension by Orel Zilberman · Productivity · Communication

A Chrome extension in Productivity · Communication with 10 users, barely installed.

Specific sites only: 3 match patterns.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
10
Rating
not rated yet
Users, last 17 days
unchanged
Version
1.0.9
Updated in the store
2026-07-07
Published
2026-06-25
Manifest
V3
Browser access
4 permissions, 3 site patterns

How it has moved

Users
unchanged since 31.08
9-11 · 6 readings
  1. 2026-08-3110
  2. 2026-09-049
  3. 2026-09-0610
  4. 2026-09-0811
  5. 2026-09-0910
  6. 2026-09-1610
Users
unchanged since 31.08
9-11 · 6 readings
  1. 2026-08-3110
  2. 2026-09-049
  3. 2026-09-0610
  4. 2026-09-0811
  5. 2026-09-0910
  6. 2026-09-1610

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 3 match patterns.

  • https://*.substack.com/*
  • https://*.substackcrm.com/*
  • https://substack-crm.s3.us-east-1.amazonaws.com/*
  • Read and change cookies on the sites it can access cookies
  • Watch the network requests your browser makes webRequest
  • Schedule work to run later alarms
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Orel Zilberman publishes 3 listings we track, 1k users between them.

  1. WriteStack: Substack Notes Scheduler & Analytics Orel Zilberman · Productivity · Tools · published 2025-03-23 1k users ★ 4.4
  2. SubSync Orel Zilberman · Productivity · Developer · published 2026-08-07 5 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. Clipatize Nurture Describes nearly the same job, smaller audience 7 users
  2. SubflowAI Describes nearly the same job, smaller audience 139 users ★ 5.0
  3. Substack Notes Scheduler Describes nearly the same job, smaller audience 34 users
  4. AI Subflow - Substack Connect Describes nearly the same job, smaller audience 6 users
  5. Substack Notes Scheduler Describes nearly the same job, smaller audience 6 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.