Ext Ops Panel
Open the app

Calendar App - Application for Google Calendar™

Chrome extension by andre_amper220 · Productivity · Workflow

  • Featured
  • Established publisher
  • Trader

A Chrome extension in Productivity · Workflow with 9 000 users, a small but real audience.

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

What the developer says, and 4 screenshots

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

Users
9 000
Rating
5.0 (4 ratings)
Users, last 17 days
+2k
Rating, last 30 days
Not watched long enough to say
Version
1.0.1
Updated in the store
2026-05-12
Published
2026-01-01
Manifest
V3
Browser access
14 permissions

How it has moved

Users
+2k since 31.08
7k-9k · 4 readings
  1. 2026-08-317k
  2. 2026-09-028k
  3. 2026-09-139k
  4. 2026-09-169k
Rating
unchanged since 31.08
reviewsrating 5.00 · 4 readings
  1. 2026-08-31reviews4rating5.00
  2. 2026-09-02reviews4rating5.00
  3. 2026-09-13reviews4rating5.00
  4. 2026-09-16reviews4rating5.00
Users
+2k since 31.08
7k-9k · 4 readings
  1. 2026-08-317k
  2. 2026-09-028k
  3. 2026-09-139k
  4. 2026-09-169k
Rating
unchanged since 31.08
reviewsrating 5.00 · 4 readings
  1. 2026-08-31reviews4rating5.00
  2. 2026-09-02reviews4rating5.00
  3. 2026-09-13reviews4rating5.00
  4. 2026-09-16reviews4rating5.00

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

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

  • Sign you in with a Google account identity
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 11
  • Schedule work to run later alarms
  • Add items to the right-click menu contextMenus
  • Receive push messages from its developer gcm
  • Tell whether you are away from the computer idle
  • Show you notifications notifications
  • Run work in a hidden page offscreen
  • Open a panel beside the page sidePanel
  • Store data in your browser storage
  • Read your display setup system.display
  • Speak text out loud tts
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

What changed recently

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

The publisher

andre_amper220 publishes 4 listings we track, 117k users between them. Listed website: gcalendarapp.store.

  1. Gmail App - Mail Application for Gmail™ andre_amper220 · Productivity · Communication · published 2024-05-24 100k users ★ 4.4
  2. Drive App - Application for Google Drive™ andre_amper220 · Productivity · Tools · published 2025-12-15 6k users ★ 4.2
  3. Copy and Paste Emoji andre_amper220 · Productivity · Communication · published 2024-08-29 2k users ★ 4.7

Like this one

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

  1. Calert - Smart Calendar Notifications Describes nearly the same job, smaller audience 30 users ★ 5.0
  2. Checker Plus for Google Calendar™ Describes nearly the same job, with a large installed audience 300k users ★ 4.4
  3. Button for Google Calendar Describes nearly the same job, with a large installed audience 100k users ★ 4.1
  4. Drive App - Application for Google Drive™ Describes nearly the same job, smaller audience 6k users ★ 4.2
  5. One-Touch Calendar Describes nearly the same job, smaller audience 10 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.