# Otis Athletic Labs > 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/otis-athletic-labs/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 · 3 MB - Languages: American English - Released: 2026-05-27 - Data updated: 2026-10-23 - Monetization: free ## What is Otis Athletic Labs? Otis Athletic Labs is a youth sports training platform for players, parents, and coaches. FOR PLAYERS • Guided training sessions in basketball, lacrosse, and agility, with step-by-step drills and timers • Build your own sessions from a drill library • Track your progress: weekly goals, streaks, and skill levels from Rookie to Pro FOR PARENTS • Manage your kids’ accounts from one family dashboard • See their training and progress at a glance • Link an Apple Watch with your family code FOR COACHES • Manage your team and roster • Design plays with the Play Designer, and export them as PDFs • Design & run practices, building your own drills or using ours. • Prepare for games with Game Prep, and track live games with a box score, for soccer and lacrosse • Digital whiteboard for all your other needs ON APPLE WATCH • Start a session in a few taps, in basketball, lacrosse, soccer, agility, football, baseball, softball, or tennis • Live heart rate, effort zone, active time, and calories as you train, with every workout saved to Apple Health • Run your own step-by-step sessions, drill by drill Built for young athletes and all the people who support them along their journey ## Key features - Structured drill programs - Custom workout builder - Progress tracking - Featured coach workouts - Apple Watch companion app - Parental account management ## Is Otis Athletic Labs safe? Not enough ratings yet to assess Otis Athletic Labs. ## Is Otis Athletic Labs legit? Otis Athletic Labs has limited verification signals. The AppsHunter Legitimacy Score for Otis Athletic Labs is 58 out of 100 points across 7 verification signals from App Store and developer data. ## Frequently asked questions about Otis Athletic Labs ### 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) ### 1.12 — 2026-10-12 Otis Labs now has a brand-new Apple Watch app, and a few improvements on iPhone. Apple Watch • A fresh design: pick a sport and a focus and start training in a few taps. iPhone • A new app icon, and the app is now named "Otis Labs" on your Home Screen. ### 1.11 — 2026-09-24 Fixes for offline behavior — the app now tells you when you're offline and reconnects automatically. Fixed confirmation dialogs that weren't appearing. ### 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 ## Apps similar to Otis Athletic Labs | App | Rating | Price | Category | | --- | --- | --- | --- | | [Golf Lawsonia](https://appshunter.io/ios/app/golf-lawsonia/id1521567112) | 4.2 (5) | Free | Sports | | [TheLacrosseApp](https://appshunter.io/ios/app/thelacrosseapp/id6761316756) | 4.8 (266) | Free | Sports | | [Hot Hand: Basketball Tracker](https://appshunter.io/ios/app/hot-hand-basketball-tracker/id6759874615) | 5.0 (13) | Free | Sports | | [Garden State Basketball](https://appshunter.io/ios/app/garden-state-basketball/id1552702588) | 4.9 (92) | Free | Sports | | [RugbyTown USA](https://appshunter.io/ios/app/rugbytown-usa/id1419706918) | 5.0 (13) | Free | Sports | | [Pure Sweat Basketball](https://appshunter.io/ios/app/pure-sweat-basketball/id6451262069) | 4.8 (17) | Free | Sports | ## More apps by Michael Stienstra - [Otis Athletic Labs Watch](https://appshunter.io/ios/app/otis-athletic-labs-watch/id6785298152) All apps by Michael Stienstra: https://appshunter.io/developer/1896110053 --- *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 2026-10-23.*