Golf Swing Trainer with 30 Weight Combinations and a One-Year App Membership for Guided Speed Training

This golf swing trainer pairs adjustable training weight with guided workouts to give your speed practice a clear structure. Five milled weights create 30 combinations between 0g and 300g, while the included one-year TheStack App membership provides personalized programs, timed sessions and speed tracking.

TheStack offers a 41.5-inch Adult version and a 38.5-inch Junior version. The weight case also serves as a phone stand, keeping your workout screen convenient to view. Training requires a separate speed device that measures swings without ball impact; speed radar is not included.

The app supports iOS 15.0 or newer, plus Android and Chrome Web in beta. iOS provides Speed, Wedging, Putting and the Learning Library; Android and Chrome Web beta provide Speed and the Learning Library. One login supports up to twenty local users, and Family Sharing allows family members to train on separate devices.

Features

• Five milled training weights offer 30 combinations from 0g to 300g.
• One-year app membership provides adaptive speed training and personalized programs.
• Guided workout timer organizes repetitions, sets and rest intervals.
• Custom speed metrics help you follow your training progress.
• Weight storage case doubles as a phone stand.
• Bluetooth data entry works with integrated devices; voice entry supports non-integrated devices.
• Up to twenty local users can train and track sessions under one login.

Specifications

• Product type: Golf Swing Trainer
• Weight system: 5 milled weights; 30 combinations between 0g and 300g
• Adult Version training club length: 41.5 inches
• Junior Version training club length: 38.5 inches
• Included app membership: 1 year
• iOS requirement: iOS 15.0 or newer
• iOS content: Speed, Wedging, Putting and Learning Library
• Android and Chrome Web beta content: Speed and Learning Library
• Local user support: Up to twenty users under one login
• Case function: Weight case and phone stand
• Required additional equipment: Speed device capable of measuring swings without ball impact
• Speed radar: Not included

Frequently Asked Questions

How do the Adult and Junior golf swing trainers differ?

The Adult training club measures 41.5 inches, while the Junior training club measures 38.5 inches. Both versions use the five-weight system and include a one-year app membership.

Do I need a separate radar to use the speed training system?

You need a separate speed device capable of measuring swings without ball impact. Speed radar is not included; check device compatibility before choosing one.

How adjustable is the golf swing trainer's weight?

The golf swing trainer uses five milled weights to provide 30 combinations between 0g and 300g. This gives you a range of training loads for your guided sessions.

Which training content can I access on my phone or computer?

The included membership provides Speed, Wedging, Putting and the Learning Library on iOS 15.0 or newer. Android and Chrome Web are in beta and provide Speed and the Learning Library.

Can family members track their own training?

The app supports training and tracking for up to twenty local users under one login. Family Sharing also lets family members train on separate devices.