# GRSTrainer

> Basketball training app for young athletes with drills, custom workouts, and progress tracking. (iPhone/iPad app by Michael Stienstra.)

- Source: https://appshunter.io/ios/app/grstrainer/id6765877381 (this page in markdown: same URL + `.md`)
- Developer: [Michael Stienstra](https://appshunter.io/developer/1896110053)
- Category: Sports
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 26.4 · 2 MB
- Languages: American English
- Released: 2026-05-27
- Data updated: 2026-08-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/grstrainer/id6765877381/reviews.md

## What is GRSTrainer?

GRS Trainer is a basketball training app for young athletes who want to improve their game.

Train with structured drill programs covering shooting, dribbling, passing, agility, and basketball moves. 

Features:
- Guided drill sessions with timers
- Custom workout builder
- Progress tracking and streaks
- Featured workouts from coaches
- Apple Watch companion app

Designed for young athletes with parental account management.

## Key features

- Structured drill programs
- Custom workout builder
- Progress tracking
- Featured coach workouts
- Apple Watch companion app
- Parental account management


## Frequently asked questions about GRSTrainer

### What sports does GRSTrainer focus on?

GRSTrainer is specifically designed for basketball training. It offers drills and programs to improve shooting, dribbling, passing, agility, and general basketball moves.

### Can I create my own workouts in GRSTrainer?

Yes, GRSTrainer features a custom workout builder that allows you to create personalized training routines tailored to your specific needs and goals.

### Does GRSTrainer track my progress?

Yes, GRSTrainer includes progress tracking features to help you monitor your development over time. It also tracks streaks to encourage consistent training.

### Is GRSTrainer available on Apple Watch?

Yes, GRSTrainer offers an Apple Watch companion app, allowing you to access training features and track workouts directly from your wrist.

### What age group is GRSTrainer suitable for?

GRSTrainer is designed for young athletes and has an age rating of 4+. It also includes parental account management features.

### How often is GRSTrainer updated?

The latest version of GRSTrainer is 1.4, and it was last updated on June 24, 2026. This indicates a recent update, suggesting active development.

### Does GRSTrainer have ads?

No, GRSTrainer does not contain advertisements. The app is free to download and use without any ad interruptions.

### What devices support GRSTrainer?

GRSTrainer is supported on Apple devices including the Apple Watch, iPhone, and iPad, providing flexibility for training on different platforms.

## Version history (last 5 releases)

### 1.10 — 2026-08-18

This update makes saving your sessions and drills more reliable — completed workouts are now confirmed as saved instead of assumed. No other changes.

### 1.9 — 2026-07-29

Auto sessions on the watch now let you go right into open shooting, dribbling, mixed, and other drills.

### 1.8 — 2026-07-11

- Apple Watch: cleaner health screen during workouts
- Apple Watch: drill notes scroll down on timer screen  
- Apple Watch: back button hidden during active workouts
- Apple Watch: "Next" replaces "Done" during drills
- Apple Watch: Resume and End Workout buttons when paused
- Apple Watch: custom workouts no longer add unwanted warmup drills
- Lacrosse and agility sessions now log correctly to Apple Health

### 1.7 — 2026-07-08

- Lacrosse sessions now logged as lacrosse workouts in Apple Health
- Agility sessions logged as strength training in Apple Health
- Apple Watch: swipe left for drill description and coaching notes
- Apple Watch: swipe down for heart rate, zone detail, and activity rings
- Apple Watch: End Workout button available when session is paused

### 1.6 — 2026-07-02

- Lacrosse training mode on Apple Watch — wall ball, shooting, 
  passing, ground balls, and footwork drills
- My Sessions now filtered by sport on Apple Watch

## More apps by Michael Stienstra

- [GRS Trainer Watch](https://appshunter.io/ios/app/grs-trainer-watch/id6785298152)

All apps by Michael Stienstra: https://appshunter.io/developer/1896110053

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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 2026-08-22.*