Focus4 icon

Focus4

by extrastu · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

专注计时器 - 提高工作效率

Users
3
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#337K
#263K among extensions
Version
1.0.1
updated 5 Apr 2025

Users

monthly, 2 years
023Apr 2025Feb 2026Oct 2026
Latest, 16 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
001Apr 2025Feb 2026Oct 2026
Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Focus4

Focus4，不只是计时器，更是你的效率助手。立即开启专注模式，让每一秒都更有价值！ version to 1.0.1; - add tabs permission and content scripts; - implement embedded timer component with matrix effects

Growth

WindowUsersChangeRatingsRating
7 days−1−25.0%00.00
30 days−1−25.0%00.00
6 months+2+200.0%00.00
1 year+3–00.00

Version history

2 versions recorded
1.0.15 Apr 2025
1.0.03 Apr 2025

Details

Category
Tools
First seen
3 Apr 2025
Size
778 KB
Languages
en
Pricing
Free
Extension ID
hmomopkndlhmeanadeidodhljokbebma

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
storagenotificationsalarmstabs

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