The free FantasyPros alternative

Margin prices every lineup, trade and waiver decision for your own league, and shows the number that decides your week: your actual win probability. The core app is free.

Margin: free, or Pro at $5 a month or $30 a season

As of Oct 2026
FeatureMargin planDetails
Your win probability this weekFreeYour matchup simulated 10,000 times, with both teams' ranges.
The lineup that wins your matchup most oftenFreeYour win chance as set and with the change, from the same games.
Start/sit calls as probabilitiesFreeA 45–55% call is labelled a coin flip, never a pick.
Trade analyzer for your leagueFreeAny trade between any two teams, priced in both teams' playoff and title odds.
Trade finderFreeTrades that make both teams better, with both sides' gain.
Waiver pickups and FAAB valuesFreeWhat each free agent is worth to every team in your league, and a bid.
Playoff and title oddsFreeEvery team's chances, from the rest of the season simulated.
Live win probability on game dayFreeYour odds move as the games are played.
Weekly recap, report cards and power rankingsFreeShareable, for the whole league.
An AI assistant that answers from your league's numbersFree, monthly creditAsk Margin: free with a monthly credit on fast models; Pro adds a larger credit and stronger models, or bring your own key. Coach AI is part of FantasyPros HOF ($8.99 a month billed annually, $22.99 monthly).
Waiver plannerProBids that should win, with backup claims, for the next waiver run. The Waiver Planner is part of FantasyPros HOF ($8.99 a month billed annually, $22.99 monthly).
Sunday lineup alertsProA push when a lineup change gains a point or more of win chance.
PlatformsFreeSleeper and ESPN (Yahoo coming soon)

See your odds in 10 seconds

FantasyPros is a trademark of its owner; Margin is not affiliated.