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COAT Calendar Helper

Chrome extension by Martin Greenwood · Productivity · Communication

A Chrome extension in Productivity · Communication with 189 users, barely installed. Audience over the last 30 days: +186.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 3 screenshots

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

Users
189
Rating
not rated yet
Users, last 30 days
+186
Version
0.3.1
Updated in the store
2026-09-23
Published
2026-09-09
Manifest
V3
Browser access
1 permission

How it has moved

Users
+186 since 03.10
3-205 · 18 readings
  1. 2026-10-0412
  2. 2026-10-08165
  3. 2026-10-09191
  4. 2026-10-10194
  5. 2026-10-13193
  6. 2026-10-17192
  7. 2026-10-18191
  8. 2026-10-19189
  9. 2026-10-20188
  10. 2026-10-21196
  11. 2026-10-22200
  12. 2026-10-23202
  13. 2026-10-24205
  14. 2026-10-25203
  15. 2026-10-29199
  16. 2026-10-30197
  17. 2026-11-01189
  18. 2026-11-02189
Users
+189 since 10.09
0-205 · 22 readings
2026-09-10: appeared in the store2026-09-10: released 0.1.22026-09-18: released 0.2.02026-09-23: released 0.3.02026-09-23: released 0.3.1
  1. 2026-09-100appeared in the storereleased 0.1.2
  2. 2026-09-251
  3. 2026-09-264
  4. 2026-09-283
  5. 2026-10-0412
  6. 2026-10-08165
  7. 2026-10-09191
  8. 2026-10-10194
  9. 2026-10-13193
  10. 2026-10-17192
  11. 2026-10-18191
  12. 2026-10-19189
  13. 2026-10-20188
  14. 2026-10-21196
  15. 2026-10-22200
  16. 2026-10-23202
  17. 2026-10-24205
  18. 2026-10-25203
  19. 2026-10-29199
  20. 2026-10-30197
  21. 2026-11-01189
  22. 2026-11-02189

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 0.3.1
  2. Version 0.3.0
  3. Version 0.2.0 · Asked for more permissions (1, was 0)
Show the remaining 1
  1. Version 0.1.2

What changed recently

  1. Package size changed
  2. Released version 0.3.1 (was 0.3.0)
  3. Package size changed
Show the remaining 9
  1. Store description rewritten
  2. Released version 0.3.0 (was 0.2.0)
  3. Package size changed
  4. Asked for more permissions (1, was 0)
  5. Store description rewritten (64 → 72 characters)
  6. Released version 0.2.0 (was 0.1.2)
  7. Package size changed
  8. Store description rewritten
  9. Released version 0.1.2 (was 0.1.1)

Older entries and the full day by day series are in the app.

The publisher

Martin Greenwood. Listed website: martingreenwood.com.

Like this one

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

  1. Calendar Agenda Assistant Describes nearly the same job, smaller audience 9 users
  2. Teample Google Calendar Describes nearly the same job, smaller audience 4 users
  3. Google Calendar Templates Describes nearly the same job, smaller audience 391 users ★ 5.0
  4. SynqUp - Create Better Meetings with AI - Calendar Addon Describes nearly the same job, smaller audience 19 users ★ 5.0
  5. Ada Calendar Describes nearly the same job, smaller audience 91 users ★ 4.5

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.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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HTML

<a href="https://extops.dev/extensions/glhibpfmimnfonancddpomlcfcaecnjn"><img src="https://extops.dev/extensions/glhibpfmimnfonancddpomlcfcaecnjn/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built