JAM vs GrassRoster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JAM
This sports community app connects you with other players and games. Easily find pickup matches, join teams, and manage your upcoming sports activities. It makes playing sports more accessible and social.
- Find sports players
- Join pickup matches
- Connect with athletes
- Manage upcoming games
- Discover sports activities
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JAM is a sports community app that helps you find players, join games, and connect with people who love sports. Whether you need a few more players, are looking for a team, or simply want to play, JAM makes it easier to find and join your next game. Discover games, join pickup matches, connect with players, and manage your upcoming games, all in one place. You don't need to already have a full team to get started. JAM makes playing sports more accessible, social, and convenient. Find your game. Join the match. Play together.
GrassRoster
This app streamlines soccer club and team management for coaches, staff, parents, and players. It offers features for organizing rosters, scheduling events, tracking player development, and facilitating team communication, all in one place.
- Club and team roster management
- Integrated scheduling for practices and games
- Player development tracking (KPIs, goals, notes)
- Team and club messaging system
- Family account management with permissions
- RSVP functionality for events
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GrassRoster is the all-in-one app for soccer clubs — built for coaches, staff, parents, and players to manage the club, develop athletes, and stay connected. GROW. PERFORM. ACHIEVE. CLUB & TEAM MANAGEMENT Organize your club from your phone. Browse teams and clubs, view rosters and staff, manage invitations, and keep club and team settings up to date — including seasons, leagues, and billing setup. SCHEDULES & RSVPs See practices, games, and tournaments in one schedule. Open event details for location, opponents, uniforms, attachments, and media. RSVP so coaches know who’s coming, and follow participation when it matters. PLAYER DEVELOPMENT Track KPIs, goals, participation, and coach notes so progress isn’t stuck in a spreadsheet. Parents and coaches can follow development across the season in one place. TEAM & CLUB MESSAGING Stay in the loop with team and club chat built for soccer families. Get notified about new messages and schedule updates so nothing important gets missed. FAMILY & ACCOUNT Parents can manage family players, co-guardian invites, and permissions. Secure your account with password controls and optional Face ID / biometric unlock, and tune which notifications you receive. WHO IT’S FOR • Club admins and staff running day-to-day operations • Coaches managing teams, schedules, and player progress • Parents staying on top of games, practices, and communication • Players and families who want everything soccer in one app Whether you run one team or a full club, GrassRoster keeps operations, development, and communication together — so you can spend less time chasing updates and more time on the field. Need help? Contact info@grassroster.com
Screenshots
Verdict
The clearest difference is update cadence: JAM at every 2 days against GrassRoster's every 4 days. GrassRoster's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for JAM against 5.0 for GrassRoster. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
JAM ships an update every 2 days, GrassRoster every 4 days. Both last shipped on October 31, 2026.
| Parameter | JAM | GrassRoster |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 2 days — better | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 79 MB | 67 MB |
| Age rating | 9+ | 4+ |
| Developer | Milan Rana Magar | Manuel Peguero |
Customer experience
JAM
GrassRoster
In-app purchases
JAM
No in-app purchases
GrassRoster
No in-app purchases
