LeagueSync icon

LeagueSync

by Betsperts Media & Technology Group · Entertainment
FeaturedManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

A supplemental Chrome extension for 4for4.com LeagueSync to sync ESPN leagues.

Users
6,000
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
11
0 in 30 days
Store rank
#13K
#11K among extensions
Version
1.1
updated 17 Sep 2021

Users

monthly, 3 years
1,0003,5006,000Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 6,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
3711Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 11 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 LeagueSync

The LeagueSync Chrome Extension from 4for4 Fantasy Football allows LeagueSync to authenticate with ESPN. This extensions is required to sync your ESPN fantasy league on 4for4.com.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months+1,000+20.0%00.00
1 year+1,000+20.0%00.00

Version history

2 versions recorded
1.116 Sep 2021
1.011 Sep 2021

Details

Category
Entertainment
First seen
11 Sep 2021
Size
65 KB
Languages
en
Pricing
Free
Support
support.4for4.com
Extension ID
ilcnmagcflfonapkhnpioknnnjeomhad

Permissions and risk

Minimal riskimpact 1, likelihood 0
Permissions
storagecookies
Site access
*://*.espn.com/*/**://*.4for4.com/**://*.pre.4for4.com/**://localhost/*

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