Sports prediction games
Apps that let friends, offices and fans predict football (especially World Cup 2026) and other sports results in private pools and leaderboards, alongside some ML match predictors, bet trackers and prediction-market arbitrage tools.
Built for: Football fans, friend and office groups, sports bettors
Projects since May 04
225
Different builders
215
Last 4 weeks vs 8 before
-15%
AI is the core
12%
Projects per week
Mostly web app (72%), mobile app (16%), developer tool or library (2.7%) · from r/SideProject, r/vibecoding, r/SaaS, r/IMadeThis
Latest
- Povaamo — Lets users trade play-money positions on prediction markets about Finnish events such as elections, hockey, TV and electricity prices.“Finland's first prediction market, built solo.”
- BetSuite — Scans sportsbooks for odds discrepancies that allow risk-free arbitrage bets.“I spent a year building a desktop app that finds sports betting arbitrage, and today I launched a free community for it”
- Predict in Football — Lets users predict match win, draw or loss with a swipe and compete with friends.“I made a simple football prediction game ⚽”
- Playoff Pick'Ems — Runs private playoff bracket pick'em pools where friends predict series winners and game counts and get scored automatically.“My pick'em side project now supports MLB playoff bracket pools”
- Analyzes sports matches using statistical data and presents predictions or breakdowns as subscription-based visual results.“1 year building a sports analytics app: ditched CPA for subscriptions. Should I rush the App Store launch, and how do you get organic traffic?”
- Based On Actual Math — Predicts college football game outcomes and simulates seasons 10,000 times to estimate every FBS team's playoff odds.“[Based On Actual Math] - Free college football prediction model with predictive ratings and 10,000-season playoff simulations”
- Lets football fans make predictions on matches across 249 leagues and earn points for correct answers.“I spent 3 months building a football prediction game… and almost nobody showed up.”
- tomorrowticket — Lets users publish dated predictions for a chosen year up to 2100 and checks them when that year arrives.“I made a public board of predictions about the future.”
- The Under Over Club — Publishes football betting picks with odds, model probabilities, reasoning, and a public results page.“I built a football picks site and would appreciate honest feedback”
- Prognozza — Provides football match analysis and lets players compete in prediction leagues, one-on-one or in groups.“We’re building Prognozza, a football prediction app with PvP leagues. Now we want to build the community around it.”
- Scans live sportsbook odds against historical stats to suggest prop and parlay picks, and tracks the user's bets and ROI.“Any thoughts on this? Sports betting research tool app”
- Tennoro — Predicts the likely winner of tennis matches from player and match statistics and tracks the predictions' performance over time.“J’ai créé Tennoro : un projet data pour essayer de prédire le vainqueur d’un match de tennis”
- BlindSpread — Lets users guess NFL point spreads and totals before the Vegas line is revealed, then scores how close their guesses were.“I made BlindSpread, guess NFL spreads blind before the Vegas line shows up”
- PROBLAY — Runs probability models on NFL player props, freezes predictions before games, and grades them afterward in a public results system.“I built an NFL analytics platform as a non-developer. The hardest part wasn't the code.”
- StockBaller — Simulates a football player token portfolio and matchday score predictions using live player stats, with no seasonal resets.“StockBaller – Free-to-play football portfolio simulator & matchday predictor with no seasonal resets”
- OddsIQ — Provides player prop betting research and analytics built on a sports betting data API.“I had access to a sports betting data API, so I built an app around it”
- F1 Fantasy optimizer — Uses race prediction forecasts to suggest picks for an F1 Fantasy team.“Redesigning my F1 Fantasy optimizer — UI/UX feedback”
- SureStake — Calculates matched betting stakes by hedging bookmaker promo bets against betting exchange odds.“Built a matched betting SaaS for the Australian market”
- SKEW — Tracks Pinnacle sports betting odds movement and calculates fair odds, market limits, and closing line value, with alerts when markets match user criteria.“Looking for feedback from bettors/analysts on a Pinnacle odds-movement terminal”
- TheVidMarket — Lets users vote on whether YouTube videos will be popular, with community votes ranking videos on a leaderboard for 48 hours.“I wanted to explore if a community could predict what's going to be popular in social media, so I built a "prediction market" for YouTube videos.”
Most discussed
- sportspooling — Lets groups create prediction pools for World Cup matches and rank players on a live leaderboard.“World Cup 2026 prediction pool website to play with friends and coworkers”
- Playoff Pick'Ems — Runs bracket pools where members predict World Cup group standings and knockout winners, and scores them into a combined leaderboard.“I built a web app for World Cup Pick’em / bracket pools”
- playgoalcomp — Lets friends run private pools where they predict tournament match scores and goal scorers and earn points under a customizable scoring system.“Built a free world cup prediction game you can play with your mates”
- Runs seven AI models as virtual sports bettors that predict 2026 World Cup match results and then decide whether to bet on odds.“I made 7 of the best AI models predict and bet on every 2026 World Cup match.”
- what-the-cup — Lets groups predict non-score events around World Cup games, such as broadcast moments and incidents, and supports custom admin-defined questions.“Built a World Cup prediction game in 2 weeks for everyone who hates being left out of the office pool”
- SoccerOracle — Predicts win, draw and loss probabilities and over/under goal probabilities for today's soccer matches, and generates a written pre-match analysis.“Built a free AI soccer predictor that shows win probabilities for today's matches — be honest, is this useful?”
- Free World Cup 2026 Bracket Builder — Lets users predict World Cup 2026 group and knockout results and share brackets with friends on a leaderboard.“Free World Cup 2026 Bracket Builder — predict every match, share with friends, compete on a leaderboard”
- Lets football fans make predictions on matches across 249 leagues and earn points for correct answers.“I spent 3 months building a football prediction game… and almost nobody showed up.”
- tactica. — Generates football match predictions with explained case files and tracks model performance separately from the user's own betting record.“My side project started as a football model. It somehow turned into all of this.”
- Called It. — Lets users publicly post predictions that cannot be edited or deleted and tracks their accuracy score over time.“Tired of people backtracking on their predictions, so I built this”