Last updated September 29, 2026. Facts about both products were checked against rithmm.com, outlier.bet and their App Store listings; sources are listed at the bottom.

Quick Answer

Rithmm and Outlier solve different problems. Rithmm is model-first: it projects props and game lines, shows an Edge against the live price, and lets you build or copy models ($29.99 to $99.99 a month). Outlier is a research and odds tool whose Pro tier ($79.99 a month) adds a +EV feed, arbitrage and middles.

Both run on web, iOS and Android, both offer a 7-day free trial with a payment method on file, and neither publishes a graded public record of its own picks. Pick Rithmm if you want a model to tell you what it thinks. Pick Outlier if you already know what you like and want the best number and price-based edges.

Rithmm Vs Outlier At A Glance

DecisionRithmmOutlier
What it isAI prediction platform: model win probability vs the book’s implied probability (“Edge”)Research and odds platform: trends, props, line movement, odds comparison, +EV and arbitrage feeds
Starting pointA model: follow Rithmm’s recommendations, build your own, or copy a community modelA market: browse trending insights, thousands of props and games, then compare prices
Sports named on its own pagesNFL, NBA, MLB, WNBA, college football, college basketball, PGA golf and World Cup soccerNFL, NBA, NHL, MLB and WNBA on its App Store listing; its NFL page mentions “seven more leagues” without naming them
Monthly priceCore $29.99, Pro $49.99, Premium $99.99Premium $19.99, Premium+ $29.99, Pro $79.99
Annual priceCore $239.99, Pro $449.99, Premium $999.99Premium $199.99, Premium+ $299.99, Pro $359.99
Free trial7 days on every plan; first-time users only; credit card required7 days; its terms say trials are for first-time users and require a valid payment method
Free without a trialSample AI picks on rithmm.com, no accountFree NFL picks page (3 Insights and 3 Popular Bets per sportsbook, no account, no card) and free betting calculators
+EV, arbitrage, middlesNot advertisedEV+ bet indicators from Premium+; Positive EV feed, sharp book odds, arbitrage and middles on Pro
Custom modelsYes; the advanced model builder and player-impact adjustments are Premium featuresNot advertised; you can set filters that “match your model” and get real-time alerts
AI analystScout, on Pro and PremiumNot advertised
Books comparedDraftKings, FanDuel, BetMGM, Caesars, BetRivers, Hard Rock, Kalshi, Polymarket, Novig and moreFanDuel, DraftKings, BetMGM, Caesars, bet365, ESPN BET, Fanatics, BetRivers, plus prediction markets
Public graded record of its own picksNot published (tracking and a model leaderboard live inside the app)Not published (props show a player’s hit rate against the line, which is not a record of Outlier’s calls)

How Rithmm Works

Rithmm scores games and player props with predictive models, converts each projection into a win probability and compares it with the sportsbook’s implied probability. The gap is what Rithmm calls Edge. Its own page is careful about what that means: Edge is a reason to look closer, not a guarantee the bet wins.

You can follow Rithmm’s recommended bets and Smart Signals, build a model by weighting factors such as pace, defensive rating or usage without writing code, or copy a model from the community leaderboard. Pro and Premium add Scout, an AI analyst you can ask about a game, player, bet or model in plain language. Premium adds the advanced model builder, NBA and NFL player-impact adjustments and export of tracked bets.

How Outlier Works

Outlier starts from the market rather than a model. Its base Premium plan covers trending insights, thousands of props and games, advanced data and visuals, odds comparison and line-movement tracking, injury reports and real-time alerts. An NFL prop, for example, shows the game log against the line and hit rates over the last 5, 10 and 20 games, the season, and home and head-to-head splits.

The price-driven tools sit higher up. Premium+ adds real-time odds movement charts and EV+ bet indicators. Pro adds the Positive EV feed, sharp book odds, boost analysis, middle betting and an arbitrage feed. Odds are deep-linked, so a tap lands on the bet slip at the sportsbook with the market already selected.

Verdict: Which Should You Use?

Choose Rithmm if you want a stated probability for a prop or game line, want to shape the model yourself, or want an AI analyst to explain a pick and the case against it. Core at $29.99 a month is the sensible test; Premium only makes sense if you will use the advanced builder or exports.

Choose Outlier if you already do your own handicapping and mainly need research speed and the best price, or if +EV, arbitrage and middles are the strategy. Be aware that the full +EV and arbitrage toolset is on Pro at $79.99 a month or $359.99 a year; the $19.99 Premium plan does not include it.

Using both can make sense: a model’s probability is only useful at a good price, and a good price is only useful on the right side. What neither product publishes is a graded record of its own recommendations with a sample size and a date, so treat the free trial as a chance to log every pick, line and result yourself.

Rithmm Vs Outlier FAQ

Is Rithmm or Outlier better for player props?

It depends on the job. Rithmm gives a model win probability and Edge for each prop and lets you build your own model. Outlier gives research on the prop (game logs, hit rates, line movement) and, on its higher tiers, flags +EV prices. Rithmm answers “which side”; Outlier is stronger on “which price”.

Which is cheaper, Rithmm or Outlier?

Outlier’s entry plan is cheaper: Premium is $19.99 a month versus $29.99 for Rithmm Core. At the top end, Outlier Pro is $79.99 a month ($359.99 a year) and Rithmm Premium is $99.99 a month ($999.99 a year). Prices as listed on each company’s site on September 29, 2026.

Do Rithmm and Outlier have free trials?

Yes, both offer 7 days. Rithmm says its trial is for first-time users and requires a credit card. Outlier’s terms say trials are intended for first-time users and require a valid payment method, and the subscription starts automatically unless you cancel before the trial ends.

Do Rithmm or Outlier publish a track record?

Neither publishes a graded public record of its own picks with a sample size and date. Rithmm tracks results inside the app and ranks models on a leaderboard. Outlier shows each prop’s historical hit rate against the line, which describes the player, not Outlier’s recommendations.

Sources

All pages checked September 29, 2026. Prices and features change; the vendor’s checkout is the authority.

PropsBot is not affiliated with Rithmm or Outlier. Model output is research, not a guarantee. 21+.