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Countdown Timer Pro: Event Tracker & Deadline Reminder

Chrome extension by ZEMIL · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 24 users, barely installed.

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

What the developer says, and 2 screenshots

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

Users
24
Rating
5.0 (1 ratings)
Users, last 14 days
-1
Rating, last 30 days
Not watched long enough to say
Version
1.0.0
Updated in the store
2025-07-16
Published
2025-07-16
Manifest
V3
Browser access
2 permissions

How it has moved

Users
-1 since 01.09
23-26 · 5 readings
  1. 2026-09-0125
  2. 2026-09-0226
  3. 2026-09-0523
  4. 2026-09-0624
  5. 2026-09-1424
Rating
unchanged since 01.09
reviewsrating 5.00 · 5 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-14reviews1rating5.00
Users
-1 since 01.09
23-26 · 5 readings
  1. 2026-09-0125
  2. 2026-09-0226
  3. 2026-09-0523
  4. 2026-09-0624
  5. 2026-09-1424
Rating
unchanged since 01.09
reviewsrating 5.00 · 5 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-14reviews1rating5.00

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.

  • See the address and title of every tab you have open tabs
  • 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

ZEMIL publishes 5 listings we track, 1k users between them. Listed website: lifeecalendar.com.

  1. Mic Check Pro — Instant Microphone Test for Chrome ZEMIL · Productivity · Tools · published 2025-04-11 1k users ★ 5.0
  2. Webcam Test Pro - Check camera online for chrome ZEMIL · Productivity · Tools · published 2025-06-01 311 users
  3. Product Hunt Extension: Helper ZEMIL · Productivity · Workflow · published 2023-04-17 52 users ★ 5.0
Show 1 more from this publisher
  1. Life Calendar by lifee - Visualize Your Time in Weeks ZEMIL · Productivity · Tools · published 2025-07-01 28 users ★ 5.0

Like this one

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

  1. Days to go - Countdown Describes nearly the same job, smaller audience 362 users
  2. CountDown Timer Describes nearly the same job, smaller audience 7k users ★ 4.6
  3. Days Until – Deadline Countdown Describes nearly the same job, smaller audience 111 users ★ 5.0
  4. Special Day Countdown Describes nearly the same job, smaller audience 14 users
  5. あと何日？ - Days Left Counter Describes nearly the same job, smaller audience 3 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.