I KNOW BALL
Fantasy and Sports Predictions
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
I KNOW BALL was built for sports fans, and it doesn't scrape your data, shove ads in your face, or try to turn you into a degenerate gambler. This app enhances your sports watching experience, and brings your community together with a variety of exciting contests across all major sports. This is a full-fledged fantasy football platform and much more — public picks, survivor pools, brackets, daily fantasy, props, parlays, and many creative, super fun league formats. This is a points-based, reputation-on-the-line, fantasy and sports prediction app that you and your friends need. Complete with a sports-centric social feed where you can create posts, predictions, and polls. You can link your socials so people can follow you everywhere. And if you know ball, everyone will know it.
No real money. No betting. All status and reputation.
FANTASY FOOTBALL
Full season-long customizable fantasy leagues with live drafts, weekly matchups, trades, player details, waivers, playoffs. Traditional and salary cap leagues are available. This is complete fantasy football experience on mobile, and the aesthetic of it all is stunning.
MAKE PICKS WITH REAL ODDS
Every game features live Vegas odds. Pick favorites for safe, smaller rewards — or back underdogs for big rewards. The scoring system rewards genuine knowledge. And honestly, even if you don't know anything, take a guess on who's going to win, and you'll find yourself enjoying watching the game much more. For you to be interested in a game, there has to be some personal stake, and a public pick on IKB is just that.
18 CONTEST FORMATS
Pick'em leagues. Survivor pools. Brackets. Daily fantasy for NBA, WNBA, NFL, and MLB. Sacks contests. Interceptions contests. HR Derby. 3-Point contests. TD Survivor. Squares. Props. Parlays. Futures. If you know sports, there's a format for you.
EARN YOUR STATUS
Every result feeds your global score. Climb from Rookie to GOAT.
COMPETE WITH YOUR PEOPLE
Create leagues with friends, coworkers, or rivals. Commissioner controls let you customize everything — duration, format, scoring, roster size, draft settings.
THE SOCIAL HUB
Post predictions, flex your called shots, react to your squad's picks, and send direct messages. When you nail a prediction nobody else had, there's proof forever. Upload photos and videos too. Share your sports takes and build a following. If you don't know sports well yet, this is the perfect place to learn from the experts.
GLOBAL LEADERBOARD
See where you stand — not just against friends, but against everyone. Filter by sport. Who knows NFL best? Who knows NBA best? Find out on I KNOW BALL. It might be you.
EVERY MAJOR SPORT
NFL. NBA. MLB. NHL. MLS. WNBA. College football. College basketball. UFL.
YOUR SPORTS STORY
Every pick, every roster, every trade lives on your record. Hot streaks, bold underdog calls, championship runs — they all stack up over time. Look back any time and see the story of your season.
SUBSCRIPTION
I KNOW BALL Monthly — $0.99/month, auto-renewing
I KNOW BALL Annual — $9.99/year, auto-renewing
Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your iPhone Settings → Apple ID → Subscriptions.
Win Leagues. Pick Winners. Prove you know ball.
Terms of Use (EULA): https://iknowball.club/terms
Privacy Policy: https://iknowball.club/privacy
more I’m not really a sports fan. It actually enjoy using this. Sports pool with friends? Use this.
I’m not really a sports fan. It actually enjoy using this. Sports pool with friends? Use this.
Wayyy better than Yahoo or any other fantasy apps!
Wayyy better than Yahoo or any other fantasy apps!
OMG!!! THIS IS THE BEST SPORTS APP EVER!!! But no really, it’s so good. It’s the best fantasy app by far and a great alternative to actually being real money on sports.
OMG!!! THIS IS THE BEST SPORTS APP EVER!!! But no really, it’s so good. It’s the best fantasy app by far and a great alternative to actually being real money on sports.
Great app. Intuitive and fun to partake in.
Great app. Intuitive and fun to partake in.
NFL Week 1 polish. Fantasy football is looking great and functioning smoothly.
1.2.13 3d ago
Fantasy football league optimizations.
1.2.11 6d ago
Squashed bugs in the fantasy football draft room, and optimized several features.
1.2.10 Sep 7
Optimizations and polishes in preparation for the NFL season!
1.2.9 Sep 4
Optimizations everywhere with special attention to polishing NFL-related contests.
1.2.7 Aug 31
Optimizations everywhere, and expanded the available player list in salary cap fantasy football leagues.
1.2.6 Aug 28
Optimizations everywhere, and we squashed a bug that was getting users stuck in a modal.
1.2.5 Aug 26
Optimizations everywhere, and the addition of a comprehensive sports scoreboard.
1.2.4 Aug 22
• Revamped landing page with live scoreboard and in-depth stat leaders from across all major sports
• Various UI polishes and fixes
1.2.0 Aug 15
Predictions come full circle.
• "Called It" posts now feature a big banner, the elapsed time since your original prediction, and the full original post embedded — including images and videos.
• Big predictions surface in the All of IKB feed so the whole community can celebrate them.
DFS upgrades:
• Pre-game roster views now show each player's matchup (e.g., "MIN @ TOR") so you can size up your lineup at a glance.
• Newly-created DFS leagues open on the first day instead of the last.
• Injury tags now render reliably across all statuses (Doubtful, Day-to-Day, etc.).
Futures:
• Each sport section shows an X/Y progress counter so you know how many markets you've picked.
• Added futures markets (NFL Division Winners, WNBA champion).
Fantasy Draft Prep:
• Saved Rankings header is easier to spot and switch between.
• Player list now includes the full draftable pool — every real starter, sleeper, and late-round flier.
Plus:
• YouTube video embeds now play reliably — tap to start.
• Fixed a rare champion-card mismatch on soccer bracket wins.
1.1.3 Aug 6
Bug fixes and polish:
• Videos in posts now play on mobile
• Fantasy draft: deeper player pool + rename saved rankings (which may differ based on roster/scoring settings)
• Survivor: cleaner pre-pick flow
• Prop cards + commissioner tools polished up
Fantasy Football Optimization
- Fantasy scoring integrity
- Individual defensive player (IDP), kicker, and quarterback scoring audited end-to-end.
New Props tab
- Pick any player prop across the sports you follow. Tap a sport, pick a market (Points, Rebounds, HR, Pass Yds…), and see the day's players laid out with headshots and live odds.
Embed YouTube videos and X posts directly in your Hub posts. Paste a link or the copied embed code — we render it inline.
Daily fantasy lineup locks
- Players are now properly locked once their game has started, on both MLB DFS and NFL DFS.
- MLB doubleheader case fixed: a team that plays twice in a day now locks correctly at the first game's first pitch.
Playoff Bracket Improvements
- NFL, NCAAF, and UFL playoff bracket modals now show top passer, rusher, receiver, and tackler per team with headshots and stat lines.
- Missing headshots fall back to initials circles instead of blank space.
Draft prep
- Player pool caps raised to comfortably support 20-team leagues.
- WR default in your board's roster set to 3 to match how most leagues actually play.
Fantasy trade cap enforcement
- When a trade would put your roster over the cap (1-for-2, 2-for-3, any ratio) you'll now be prompted to pick who to drop before the trade proposes or accepts, with
your choices held through commissioner review.
Commissioner Tools
- New "Commish" tab on your leagues with tools to force a manager's lineup, add or drop a player on someone's behalf, message the IKB admin about league issues, and
jump to League Settings. Every action is logged and the affected manager is notified.
Posts and league threads
- Attach images to messages in league threads.
- Post videos recorded on iPhone (.mov) now play back reliably in the feed thanks to a new transcoding pipeline. When you upload, you'll see a brief processing state on your own posts while the video is prepped for the feed.
Polish
- Settings profile picture bigger and centered; icon picker trimmed and hidden when a real photo is set.
- Backdrop picker widens on desktop.
1.1.2 Jul 21
Fantasy Football Optimization
- Fantasy scoring integrity
- Individual defensive player (IDP), kicker, and quarterback scoring audited end-to-end. Fixed a class of silent zeros that could affect matchup totals in leagues using these positions.
- Waiver wire is now transactional: if the "add" side of a drop-and-add claim fails, the drop is automatically rolled back so you're never left one player short.
- Available Players PTS column now reflects your league's actual scoring rules, not Sleeper's stock formula.
New Props tab
- Pick any player prop across the sports you follow. Tap a sport, pick a market (Points, Rebounds, HR, Pass Yds…), and see the day's players laid out with headshots and live odds.
Embed YouTube videos and X posts directly in your Hub posts. Paste a link or the copied embed code — we render it inline.
Daily fantasy lineup locks
- Players are now properly locked once their game has started, on both MLB DFS and NFL DFS.
- MLB doubleheader case fixed: a team that plays twice in a day now locks correctly at the first game's first pitch.
Playoff Bracket Improvements
- NFL, NCAAF, and UFL playoff bracket modals now show top passer, rusher, receiver, and tackler per team with headshots and stat lines.
- Missing headshots fall back to initials circles instead of blank space.
Draft prep
- Player pool caps raised to comfortably support 20-team leagues.
- WR default in your board's roster set to 3 to match how most leagues actually play.
Fantasy trade cap enforcement
- When a trade would put your roster over the cap (1-for-2, 2-for-3, any ratio) you'll now be prompted to pick who to drop before the trade proposes or accepts, with
your choices held through commissioner review.
Commissioner Tools
- New "Commish" tab on your leagues with tools to force a manager's lineup, add or drop a player on someone's behalf, message the IKB admin about league issues, and
jump to League Settings. Every action is logged and the affected manager is notified.
Posts and league threads
- Attach images to messages in league threads.
- Post videos recorded on iPhone (.mov) now play back reliably in the feed thanks to a new transcoding pipeline. When you upload, you'll see a brief processing state on your own posts while the video is prepped for the feed.
Rotation and background fix
- Fixed a bug where rotating the phone between landscape and portrait left the app zoomed in, and where returning from background occasionally rendered a half-height
view.
Polish
- Settings profile picture bigger and centered; icon picker trimmed and hidden when a real photo is set.
- Backdrop picker widens on desktop.
- Pick'em league creation now uses the compact "League Length" picker matching the NFL single-stat contests.
- "Fantasy Football Draft Preparation" now spelled out on the Leagues page.
1.1 Jul 16
WNBA Fantasy Optimization
-DFS pricing calibration
Fantasy Football Optimization
- Fantasy scoring integrity
- Individual defensive player (IDP), kicker, and quarterback scoring audited end-to-end. Fixed a class of silent zeros that could affect matchup totals in leagues using these positions.
- Waiver wire is now transactional: if the "add" side of a drop-and-add claim fails, the drop is automatically rolled back so you're never left one player short.
- Available Players PTS column now reflects your league's actual scoring rules, not Sleeper's stock formula.
Daily fantasy lineup locks
- Players are now properly locked once their game has started, on both MLB DFS and NFL DFS.
- MLB doubleheader case fixed: a team that plays twice in a day now locks correctly at the first game's first pitch.
Survivor pools
- After you pick today, you'll see a clean "You've picked today" completion card instead of tomorrow's pick form appearing prematurely. Tap "Pre-pick tomorrow" if you want to lock in early.
- Commissioner changes to the lives-per-member setting now propagate to existing members.
World Cup + brackets
- Bracket modal for World Cup single-game matchups shows the score cleanly, hides seed labels (WC has no seeding), and handles admin-entered scores for penalty-decided matches.
- NFL, NCAAF, and UFL playoff bracket modals now show top passer, rusher, receiver, and tackler per team with headshots and stat lines.
- Missing headshots fall back to initials circles instead of blank space.
Draft prep
- Player pool caps raised to comfortably support 20-team leagues.
- WR default in your board's roster set to 3 to match how most leagues actually play.
Fantasy trade cap enforcement
- When a trade would put your roster over the cap (1-for-2, 2-for-3, any ratio) you'll now be prompted to pick who to drop before the trade proposes or accepts, with
your choices held through commissioner review.
Commissioner Tools
- New "Commish" tab on your leagues with tools to force a manager's lineup, add or drop a player on someone's behalf, message the IKB admin about league issues, and
jump to League Settings. Every action is logged and the affected manager is notified.
Posts and league threads
- Attach images to messages in league threads.
- Post videos recorded on iPhone (.mov) now play back reliably in the feed thanks to a new transcoding pipeline. When you upload, you'll see a brief processing state on your own posts while the video is prepped for the feed.
Rotation and background fix
- Fixed a bug where rotating the phone between landscape and portrait left the app zoomed in, and where returning from background occasionally rendered a half-height
view.
Polish
- Settings profile picture bigger and centered; icon picker trimmed and hidden when a real photo is set.
- Backdrop picker widens on desktop.
- Pick'em league creation now uses the compact "League Length" picker matching the NFL single-stat contests.
- "Fantasy Football Draft Preparation" now spelled out on the Leagues page.
1.0.9 Jul 11
Fantasy Football Optimization
- Fantasy scoring integrity
- Individual defensive player (IDP), kicker, and quarterback scoring audited end-to-end. Fixed a class of silent zeros that
could affect matchup totals in leagues using these positions.
- Waiver wire is now transactional: if the "add" side of a drop-and-add claim fails, the drop is automatically rolled back so
you're never left one player short.
- Available Players PTS column now reflects your league's actual scoring rules, not Sleeper's stock formula.
Daily fantasy lineup locks
- Players are now properly locked once their game has started, on both MLB DFS and NFL DFS.
- MLB doubleheader case fixed: a team that plays twice in a day now locks correctly at the first game's first pitch.
Survivor pools
- After you pick today, you'll see a clean "You've picked today" completion card instead of tomorrow's pick form appearing
prematurely. Tap "Pre-pick tomorrow" if you want to lock in early.
- Commissioner changes to the lives-per-member setting now propagate to existing members.
World Cup + brackets
- Bracket modal for World Cup single-game matchups shows the score cleanly, hides seed labels (WC has no seeding), and handles
admin-entered scores for penalty-decided matches.
- NFL, NCAAF, and UFL playoff bracket modals now show top passer, rusher, receiver, and tackler per team with headshots and
stat lines.
- Missing headshots fall back to initials circles instead of blank space.
Draft prep
- Player pool caps raised to comfortably support 20-team leagues.
- WR default in your board's roster set to 3 to match how most leagues actually play.
Polish
- Settings profile picture bigger and centered; icon picker trimmed and hidden when a real photo is set.
- Backdrop picker widens on desktop.
- Pick'em league creation now uses the compact "League Length" picker matching the NFL single-stat contests.
- "Fantasy Football Draft Preparation" now spelled out on the Leagues page.
- Various small copy tightening.
1.0.8 Jul 9
Fantasy football just leveled up — right in time for kickoff.
- Fantasy playoff brackets optimized
- Full IDP support — draft defensive players into dedicated DL, LB, DB, and S slots
- Dual-position stars like Micah Parsons can slot at either LB or DL — real fantasy football, no compromises
- Schedule your draft right from the Draft tab; every member gets an instant notification
- Offline draft mode improved — run your draft in person around the table, then enter results in the app easily
- Salary Cap fantasy leagues optimized
- Cleaner IR slots, tighter lineup validation, and smoother roster moves throughout
World Cup Bracket display optimization
World Cup straight picks now available
Plus a handful of polishes throughout the app.
1.0.7 Jul 6
Fantasy football just leveled up — right in time for kickoff.
- Full IDP support — draft defensive players into dedicated DL, LB, DB, and S slots
- Dual-position stars like Micah Parsons can slot at either LB or DL — real fantasy football, no compromises
- Schedule your draft right from the Draft tab; every member gets an instant notification
- Offline draft mode improved — run your draft in person around the table, then enter results in the app easily
- Salary Cap fantasy leagues optimized
- Cleaner IR slots, tighter lineup validation, and smoother roster moves throughout
Plus dozens of quality-of-life fixes across the app.
1.0.6 Jul 2
Complete your World Cup Bracket!
Fantasy football is optimized and ready for the season:
-Per-week roster navigation showing projections and opponents for any week
-Salary Cap DFS overhaul — cleaner Edit Roster mode, This Week filter, opponent display
-Bye-week handling: projections zeroed, Thursday morning reminder so you don't miss a swap
-Opponent and bye info now visible on roster, available players, matchup, and player modal
Plus:
-Remind your friends about their past predictions.
-Onboarding tutorial polish — tooltips anchor near what they describe
-More polish and fixes throughout the app
1.0.5 Jun 25
• World Cup 2026 Bracket is live — pick the knockout from R32 through the Final.
• Fantasy Football functions and aesthetics have been optimized.
• Sharing league and bracket invites from inside the app now works perfectly — links open cleanly in iMessage, X, anywhere.
• Pinch-to-zoom fixed.
• Trade and waiver processing improved.
• League win comments + reactions, survivor result polish, bracket tiebreakers, futures pts display — dozens of fixes across the social and fantasy
surfaces.
• Faster, more reliable push notifications.
• Leagues completion logic tightened.
• Push delivery improvements + record book accuracy upgrades.
1.0.4 Jun 23
New: World Cup Bracket — pick the knockout rounds in the 32-country bracket!
Push notifications are more reliable — better badge accuracy and new toggle options in Settings
React and comment on league wins
Add Facebook to your socials
Polish and bug fixes throughout
1.0.3 Jun 18
Push notifications are now fully live. Get reminders to set your lineup, alerts when a starter on your roster is ruled out, and the moment you win a league.
What else:
Survivor settings now show your league's winner bonus tier
Refined prop card layout
Polish + fixes across the app
1.0.2 Jun 14
A round of polish + fixes after the v1.0 launch:
• Player props now show live stat totals during the game.
• Native push notifications now register on first launch.
• Multi-image posts: swipe horizontally to flip through photos, and large images load much faster.
• Featured props drop off the Picks page once their game starts.
• HR Derby and Strikeouts contests show a confirmed-starter badge per picked player.
• Winner bonuses for short-duration contests (HR Derby, Strikeouts, 3-Point) now scale to contest length.
• Bracket game modals show stacked top performers for football games (passing, rushing, receiving, tackles).
• Layout polish: composer reflow, opponent abbreviations, MLB DFS pitcher stat line, bad-beat math.
Keep the feedback coming — admin@iknowball.club.
1.0.1 Jun 11
NFL Week 1 polish. Fantasy football is looking great and functioning smoothly.
more Version 1.2.13 3d ago
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