# JAM vs GrassRoster

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.

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.

## The numbers

| Metric | JAM | GrassRoster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/jam-joinamatch/id6782123565/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/grassroster/id6787816970/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Free | Free |
| Size | 79 MB | 67 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Milan Rana Magar](https://appshunter.io/developer/6782123567) | [Manuel Peguero](https://appshunter.io/developer/6787816972) |

## What reviewers say

### JAM

[App page](https://appshunter.io/ios/app/jam-joinamatch/id6782123565)

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.

**Highlights:** Find sports players, Join pickup matches, Connect with athletes, Manage upcoming games, Discover sports activities

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### GrassRoster

[App page](https://appshunter.io/ios/app/grassroster/id6787816970)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JAM free?

JAM is free to download, with no in-app purchases.

### Is GrassRoster free?

GrassRoster is free to download, with no in-app purchases.

### Which has better reviews, JAM or GrassRoster?

JAM and GrassRoster are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do JAM or GrassRoster have ads?

Neither JAM nor GrassRoster shows ads.

### Which is updated more often, JAM or GrassRoster?

JAM ships an update every 2 days, and GrassRoster every 4 days. Most recently, JAM was updated on October 31, 2026 and GrassRoster on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*