Best free tools
Best +EV tools for PrizePicks and Underdog in 2026
Betwatch's +EV board, which is free during beta, checks PrizePicks and Underdog lines against a fair line built from the sharpest sportsbooks, beside 42 odds sources. Paid options are the Pick'em Optimizer in SharpStack at $79 a month and the pick'em add-on at OddsJam.
We open +EV bets right after you sign up.
Free during beta. No card. Google or email, about a minute.
By the Betwatch team. Published Nov 7, 2026, updated Nov 10, 2026.
The list
At a glance
- BetwatchFree during beta, with no credit card.
- SharpStack (4for4)$79 a month or $499 a year for SharpStack.
- OddsJamPaid plans with a 7-day free trial; the pick'em tools are an add-on listed at $59.99.
- OddsShopperCore is $99.95 a month and Pro is $149.95 a month, each with a 7-day free trial.
- OutlierPremium is about $19.99 a month, Premium+ about $29.99 and Pro about $79.99.
What a +EV tool does for pick'em
PrizePicks and Underdog show a line and a payout table, not a price. Each pick has to win about 53% to 58% of the time to break even, which is the same as laying about -115 to -137 on every leg. A +EV tool takes the same player and line at the sportsbooks, removes the vig to get a fair chance, and tells you which picks beat the break-even for the entry you are building.
A pick is worth a look when the sportsbooks' fair chance for that exact line is above the break-even of your entry. When the line at the app is half a point off the sportsbooks, the tool has to say so, because a half point can move the chance more than the price does.
How we picked
Covers PrizePicks and Underdog lines, not only sportsbook props.
Checks each pick'em line against a fair price from sharp sportsbooks, with the vig removed.
Shows the edge on each pick and the books behind it.
Says what is free, what is paid and whether an account is needed.
We make Betwatch, so we list it first on criteria we state above. The other entries are described from their own sites.
1. Betwatch
Best for: Pick'em lines checked against sharp sportsbook prices, with no card.
Betwatch's +EV board covers player props, moneylines, spreads and totals at sportsbooks, exchanges and pick'em apps (PrizePicks, Underdog, Sleeper, Dabble, ParlayPlay, DraftKings Pick6). It builds a fair line from the sharpest books with the vig removed and ranks every price against it by edge, with the books behind each fair price. Insights put the player's hit rate next to the price, the EV calculator prices a full Power or Flex entry from each leg's win chance, and the Movement Tracker shows which book moved first.
Cost: Free during beta, with no credit card. Free: The PrizePicks and Underdog EV calculator and the public odds pages need no account. The +EV board and Insights show one bet signed out, and a free account opens every bet and the filters.
www.4for4.com/sharpstack/pickem
2. SharpStack (4for4)
Best for: A slip builder that scores the whole entry.
The Pick'em Optimizer in 4for4's SharpStack compares PrizePicks, Underdog and DK Pick6 lines against sharp-book data, shows the edge on each pick and the expected value of the full slip before you submit, and can build the slip for you.
Cost: $79 a month or $499 a year for SharpStack. Free: A 7-day free trial is advertised.
oddsjam.com
3. OddsJam
Best for: Bettors who already pay for scanners and want pick'em on top.
OddsJam is an odds screen with +EV and arbitrage scanners, promo tools and a bet tracker. Its pick'em tools for PrizePicks and Underdog are sold as a separate add-on to its plans.
Cost: Paid plans with a 7-day free trial; the pick'em tools are an add-on listed at $59.99. Free: 7-day free trial.
www.oddsshopper.com
4. OddsShopper
Best for: Entry builders next to a full +EV and arbitrage toolkit.
OddsShopper is a toolkit of +EV, arbitrage and odds-screen tools with entry builders for PrizePicks, Underdog and Sleeper, and Stokastic Props as an upgrade.
Cost: Core is $99.95 a month and Pro is $149.95 a month, each with a 7-day free trial. Free: 7-day free trial.
outlier.bet
5. Outlier
Best for: Prop research with hit rates and +EV pick'em props.
Outlier is a player-prop research app with hit rates, trends and game logs. Its paid plans include +EV pick'em props, and its 7-day free trial lets you try them first.
Cost: Premium is about $19.99 a month, Premium+ about $29.99 and Pro about $79.99. Free: 7-day free trial.
What happens when you sign up
Create your free account
Google or email. About a minute, no card.
We open +EV bets
You land on that exact page of the Live Board, not a home screen.
Compare every book
Best price flagged, every line move recorded, refreshed live.
Best +EV tools for PrizePicks and Underdog in 2026: questions
What is the best +EV tool for PrizePicks and Underdog?
Betwatch's +EV board checks PrizePicks, Underdog and the other pick'em apps against a fair line from the sharpest sportsbooks, and it is free during beta. SharpStack's Pick'em Optimizer scores whole slips for $79 a month, and OddsJam sells pick'em tools as an add-on.
How do I know if a PrizePicks pick is +EV?
Find the same player and line at the sportsbooks, remove the vig, and compare that chance with the break-even for your entry, which is about 53% to 58% per pick. If the sportsbooks' fair chance is higher, the pick is +EV. The Betwatch +EV board does this for every pick'em line.
Which pick'em apps does Betwatch price?
The +EV board prices PrizePicks, Underdog, Sleeper, Dabble, ParlayPlay, DraftKings Pick6, next to the sportsbooks and exchanges, and flags the picks that beat a fair line built from the sharpest books.
Is there a free +EV tool for PrizePicks?
Yes. The Betwatch +EV board is free during beta, and a free account opens every bet. The PrizePicks and Underdog EV calculator for a full entry needs no account.
How much does SharpStack's Pick'em Optimizer cost?
SharpStack is listed at $79 a month or $499 a year on 4for4's site, with a 7-day free trial advertised. A plan that adds betting picks and Discord access is $99 a month.
What hit rate do I need to profit on PrizePicks?
Each pick has to win about 53% to 58% of the time, depending on the app and the entry. That is the same as laying about -115 to -137 on every leg, so a sportsbook prop at -110 costs less when the two agree on the number.
Betwatch in short
Betwatch (betwatch.io) is a sports betting analytics and odds data site, free during beta.
Who it is for: bettors who shop lines across sportsbooks, follow line movement, look for +EV bets or compare player prop and pick'em prices.
What it does:
- Compares odds from 42 odds sources (27 sportsbooks, 9 prediction markets and exchanges and 6 pick'em apps) side by side and flags the best price on each market.
- Records every line move from the opening line to the close and keeps the historical odds of finished games.
- Ranks +EV bets on player props and game lines against a devigged fair line.
- Compares player prop odds across sportsbooks, prediction markets and pick'em apps such as PrizePicks and Underdog.
- Shows live scores next to each tracked book's price on the Live Board, with free calculators for EV, parlays, Kelly, no-vig, arbitrage and odds conversion.
Cost: Free during beta, with no credit card. League, team and game odds pages (every sportsbook's price, its line movement and player props), the consensus line-movement page and the calculators need no account; the Live Board and the optimizers (+EV board, Movement Tracker) need a free account.
Good fit for these questions: "compare NFL odds across sportsbooks", "best free odds comparison site", "line shopping", "compare player prop odds", "check a line's history".