• LeagueSync - Fantasy Football 1
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LeagueSync - Fantasy Football

LeagueSync allows you to quickly import your fantasy football league roster and settings. Then we'll do the hard work and give you your optimal lineup and top available waiver wire adds for both the current week and the rest of the season.

Find sneaky starts and high-upside players quickly before your opponents do. It's never been easier to dominate your league:

-Import your roster and scoring settings, we'll scan the wavier wire and show you the best possible lineup.
-View rankings and weekly projections for each of your players.
-Set the highest scoring lineup possible every week.
-Choose from players with the safest floor or the highest upside.
-Optimize your lineup with or without the waiver wire.
-View your league's wavier wire.
-Make waiver wire decisions for the current week and rest of the season.
-Get detailed information on every player (current week projections, matchup rating, season stats, etc.)
-Access 4for4's premium content.
-Read breaking news for your team.
-Supports all league types and offensive positions (custom scoring, multiple FLEX, yardage bonuses, etc.)
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Created by 4for4 Fantasy Football, home of the most accurate in-season rankings since 2012, per FantasyPros Expert Accuracy.
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This app supports adding unlimited leagues from ESPN, Yahoo, CBS and MyFantasyLeague.
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Get a one week FREE TRIAL and unlock the ability to optimize your lineup using your leagues waiver wire, view matchup rankings and much more!

Category : Sports

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Reviews (29)

Joh. D. Nov 6, 2019     

I've been a 4for4 subscriber for years and had great success. This app takes a lot of the work out of not just finding the optimal lineup but also finding the optimal players off the waiver wire to stay as strong as possible for the rest of the season. I used to do it all manually. I recommend purchasing a season long subscription through their website vice the app since they frequently have sales that make it significantly cheaper than the weekly price in the app.

N. Sep 3, 2019     

My Yahoo league won't sync, and no the bug is not fixed. Several attempts made, uninstalled the app, reinstalled. Same thing. 02/09/19 Update: Did it all again with a restart of my phone in the middle. Can confirm it did sync. Will revise after i had a chance to play with it a bit.

Jos. H. Sep 4, 2019     

It would be rated much higher but it seems incapable of importing correct scoring settings from any league that I try. Update: Developer was very quick to respond and helpful. Initial reaction is that it seems to be working well now.

Chr. C. Sep 3, 2021     

Unfortunately, the development company we have used for several years to develop the 4for4 LeagueSync App has abruptly closed its doors and is no longer supporting the 4for4 iOS and Android apps. We are working towards a solution, but cannot make any guarantees about the app's availability for this season. We can say that in the future, we will work towards rebuilding an even better app to meet the needs of our subscribers. This is as disappointing for us as it is for you. This was their repl

Tyl. P. Nov 13, 2021     

This is my third year with 4for4. I love their web content, but this year the mobile app doesn't work at all. It just hangs at the loading screen and nothing works. Definitely not getting full value on my subscription. 😞

Jam. R. Sep 23, 2019     

Far too expensive for the services provided. Nothing unique is offered from this service. Also took the "optimal lineup" advice for 2 teams across 3 weeks and I was worse off for it. Lineups are always a gamble, but I'm not going to pay for free information and poor insights.

Tar. M. Sep 14, 2019     

iniitally worked great after the Yahoo fix but now the MFL link seems broken too. My current lineup looks good but the suggested optimal lineup simply recommends great players off of other teams as if they are on the waiver wire. 9/14/19: Update: Thanks for the fix guys, works great again!

Dou. Z. Sep 29, 2021     

Can't share an experience because the app won't open on my phone (Samsung). Starting icon keeps spinning, won't open to the start screen.

Amd. D. A. Aug 31, 2019     

This app doesnt even let me log in. It tells me to sync my league and when i select the league and log in, it just takes me back to the login screen asking to log in again.

Chi. S. Aug 14, 2021     

I got a subscription and downloaded the app a few days ago and I've never been able to get the app to load. Wifi, data doesnt matter. Nothing.

Kyl. A. Sep 15, 2021     

Will not load. App worked great last season, but I have not been able to get past the load screen while trying to use this season.

Kat. F. Aug 6, 2021     

Never opened!!! New phone, Android 11... Will not open the app. Seems like a trend. I paid for a subscription too. Wish I hadn't now.

Rob. S. Sep 9, 2021     

It was very good for 2020. This year, not good. They apparently lost their devs. I don't know why they don't just pull the app from the app store if they aren't going to be working on this. They need to pull this all that they KNOW does not function.

Jar. R. Sep 4, 2019     

Endless Loop trying to sync yahoo league. After signing in to yahoo app doesnt recognize the login and prompts to login again

Pau. M. Sep 9, 2021     

App does not load at all. Gets stuck while loading. Hope they get it fixed before season starts!

Ton. V. Aug 31, 2021     

App won't load. Apparently 4for4 has abandoned this app. So I'll get even less value for my subscription. I think this will be my last year with 4for4.

Kev. S. Aug 22, 2020     

Clean looking app. Only problem is the cheat sheet isn't populating when I select it. Am I missing something? Thanks.

Sam. K. Sep 9, 2021     

If the app isn't going to be working this season, can we get a refund on our subscription? The Draft Hero software also did not work well for me for my yahoo leagues.

Mig. J. E. Jul 25, 2021     

This app STAYS acting up. Terrible considering people pay a subscription for their content and cant even access it via phone app.

Tre. A. Sep 11, 2021     

4.5 stars back in the day, but sounds like the dev pulled out and left 4for4 hanging. Anxiously looking forward to the replacement

Kyl. K. Sep 5, 2019     

Would be neat if you could sync multiple Yahoo leagues without having to login multiple times.

Dal. D. Aug 28, 2021     

Not working on Galaxy s20+. Just tried losing and never opens. Was great last year. 😒

Jac. F. Nov 17, 2020     

Full of bugs. Doesn't display properly. Near useless.

Phi. L. Sep 4, 2021     

Doesn't even fully load on latest android as of 9/4/2021, pixel 3. Keeps spinning....

She. A. Aug 23, 2019     

Couldnt sync my yahoo league after 4 attempts. So just gave up and uninstalled the app

Nat. T. Aug 30, 2021     

App won't work. Paid for subscription.

jos. b. Jul 23, 2021     

can't get out of loading screen. won't load up

Bra. M. Sep 4, 2019     

Just in time for fantasy football season, thank you

Goo. U. Sep 9, 2020     

Right now it keeps syncing to someone else's team in my league instead of mine