πFounding League ProgramβFirst 10 leagues get Pro free for 6 monthsLearn more
Your League,
Finally Easy
Score a game with a few taps. Stats and standings update automatically. Let players collect cards that level up with every hit. DiamondOS is the league platform that's actually fun to use β for everyone.
No credit card requiredΒ β’Β Set up in 5 minutes

Four Features Nobody Else Has
We didn't build another scoreboard app. We built the platform you wish existed when you were stuck with clipboards and group texts.
Collectible Player Cards & XP
Your players earn XP with every hit, strikeout, and stolen base. Their cards level up from Rookie to Legendary across 6 tiers. Collect 200+ Diamond Legend cards β all auto-generated from real game performance, no setup needed.
- Cards auto-generate from real game performance β no setup needed
- XP system rewards every at-bat, strikeout, and stolen base
- Six tiers: Rookie β Starter β Champion β Legend β Mythic β Diamond Legend
- Trade cards with other players β every swap goes through the commissioner

The Easiest Scorekeeper in Baseball
Anyone can score a full game β a parent in the stands, a teenager in the dugout. Tap-to-score updates stats, spray charts, and play-by-play in real time. This isn't basic scorekeeping β it's analytics.
- Tap-to-score interface β no training required
- Pitch tracking with live heat maps and pitch-type logging
- Hit location charts update live in the scoring console
- Experimental camera velocity overlay β speed estimates without a radar gun

Live Game Day for Every Fan
Parents and grandparents follow every pitch from anywhere. Real-time play-by-play updates via our live GameCast β free. Want video? Coaches stream directly from their phone. Near-real-time streaming, no special equipment required.
- Live GameCast: real-time play-by-play for every fan β free
- Coaches stream live video direct from their phone
- Near-real-time game streaming β no hardware required
- Share a link and anyone can watch from anywhere


Free for Every League
Unlimited teams, completely free. No trial period. No credit card. Full scorekeeping, stats, schedules, messaging, and player cards. Commissioners, coaches, and managers never pay. Running a league shouldn't cost you anything β so it doesn't.
- Unlimited teams β no card required
- Full scorekeeping, stats, schedules, and messaging included
- Basic player cards for every player on your roster
- No trial period. No expiration. Just free.

Plus Everything Else You Need
Built from the ground up for baseball β not adapted from generic sports software.
Team Management
Rosters, lineups, practice schedules, and substitution tracking β coaches get a dugout command center.
League Administration
Standings, tournaments, umpire scheduling, registrations, and fee collection. Run your league on autopilot.
AI Game Recaps
Automatic post-game summaries β key plays, player performances, written by AI. Share-ready in seconds.
Pitch Tracking
Full pitch count tracking with pitch type breakdown, velocity logging, and arm care alerts for young players.
Real-Time Standings
League standings, division races, and playoff brackets that update automatically after every game.
Player Development
Season-over-season stat trends and opponent scouting reports. Watch players grow with real data.
Built for Real Baseball
Not a generic sports app with baseball stickers slapped on it. Every feature was designed for the game.
Specialized Roles
Commissioner, Manager, Coach, Player, Parent, Umpire, Scorekeeper & Fan β everyone gets their own dashboard.
Diamond Legend Cards
Unique collectible cards with XP evolution across 6 rarity tiers. No two seasons look the same.
Stats Tracked
From basic AVG to advanced wOBA, FIP, ISO, and BABIP. Sabermetrics for your youth league.
Pitch Tracking
Heat maps and pitch-type logging in the live scoring console. Experimental camera velocity overlay β speed estimates without a radar gun.
Game Streaming
Near-real-time game streaming from any phone. Grandparents in Florida can watch every pitch.
Data Migration
Moving from Pointstreak or LeagueLineup? We do the import β rosters, season history, and stats β at no charge.
Built for Every Role
One platform, four powerful views. Everyone gets exactly what they need.
Commissioner
- Full league control
- Season & tournament setup
- Umpire scheduling
- Registration & payments
Player
- Personal stat dashboard
- Diamond Legends card
- Spray chart & trends
- Achievement badges
Parent
- Schedule & game alerts
- Kid's stats at a glance
- Direct coach messaging
- Payment & waiver portal
Join the Diamond Dynasty
βYour league could be here.β
Be one of our founding leagues and help shape the future of youth baseball technology. We're building this with the people who will use it most. Your feedback drives what we build next.
π First 10 leagues get Pro free for 6 months β all we ask is you run your season and tell us how it went
Why Leagues Switch to DiamondOS
We built what other platforms forgot.
Simple, Transparent Pricing
Organizers are free. Players and fans unlock premium features.
Your League
For commissioners, managers, and coaches. Run your whole league β free.
- Unlimited teams β no card required
- Live scorekeeping, box scores & standings
- Season stats, schedules & rosters
- Visual site builder + custom domain
- Basic player cards for every player
- Coaches & managers always free
Diamond Player
Advanced personal stats, multi-season career history, and premium cards.
- Full multi-season career history
- Advanced stats: wOBA, FIP, BABIP, ISO
- AI performance insights
- Premium digital card sets
- Ad-free experience
Diamond Fan+
Live streaming + advanced stats on any player or team.
- Live near-real-time game streaming
- Advanced stats on any player or team
- AI game recaps
- Fan card collection
- Ad-free experience
Don't Take Our Word For It
Try It Yourself
Explore a full demo league with teams, players, and game data β completely free, no account needed. Score a game. Check the spray charts. See the cards. You'll get it.
Explore the Demo LeagueFull league with real data β no signup required