# J50 — Partner in Performance

> Partner in Performance (iPhone/iPad app by Jack Jasinski.)

- Source: https://appshunter.io/ios/app/j50/id6758935260 (this page in markdown: same URL + `.md`)
- Developer: [Jack Jasinski](https://appshunter.io/developer/1875859292)
- Category: Sports, Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 381 MB
- Languages: American English, Arabic, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek, Hebrew and 17 more
- Released: 2026-02-23
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/j50/id6758935260/reviews.md

## What is J50?

The one stop shop to train and prepare for your next level of lacrosse. Academy training, small group, 1on1, and at home training all in one place. 

Founded by Pro Lacrosse player Jack Jasinski, J50 sets out to be your partner in performance by providing everything you need to get to that next level.


## Version history (last 3 releases)

### 2.117296.0 — 2026-03-17

Bug fixes, performance improvements

### 2.114732.740 — 2026-03-17

Bug fixes, performance improvements

### 2.114732.738 — 2026-02-23

No release notes.

## Related topics

[j50](https://appshunter.io/ios/topics/j50)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*