PERFBOOK
First seen by this census 09/05/2026 — the store does not publish a creation date
Last updated 05/20/2026
Tracked since 09/05/2026
Compare with another extension
Category: Sports
Description
PERFBOOK is your data centralization tool.
Organize, track and optimize your teams' performance.
PERFBOOK is the cornerstone of communication between the members of your team, bringing together all the tools you need to analyze and manage the performance of your pro and amateur athletes.
Focus on the action, we'll simplify the rest!
Alternatives to PERFBOOK
| Name | Ratings | Rating | |
|---|---|---|---|
ESPN: Live Sports & Scores
by Disney Electronic Content, Inc.
|
4,154,241 | 4.6 | compare |
FanDuel Sportsbook & Casino
by FanDuel Limited
|
2,245,308 | 4.8 | compare |
ESPN Fantasy Sports & More
by Disney Electronic Content, Inc.
|
2,063,675 | 4.8 | compare |
MLB Ballpark
by Major League Baseball Advanced Media
|
1,348,970 | 4.6 | compare |
DraftKings: Sports & Casino
by DRAFTKINGS LLC.
|
1,255,272 | 4.8 | compare |
MLB
by Major League Baseball Advanced Media
|
932,428 | 4.7 | compare |
Yahoo Fantasy Sports: NFL, MLB
by Yahoo Inc.
|
905,963 | 4.8 | compare |
GameChanger
by GameChanger Media, Inc.
|
896,859 | 4.9 | compare |
theScore: Sports News & Scores
by Score Media and Gaming Inc.
|
849,901 | 4.8 | compare |
CBS Sports: Live Scores & News
by CBS Mobile
|
835,163 | 4.7 | compare |
Growth
Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.
| Per | Growth | Growth % | Actual change | Measured over |
|---|---|---|---|---|
| day | Not enough history yet | |||
| week | Not enough history yet | |||
| month | Not enough history yet | |||
| year | Not enough history yet | |||
History
Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.