Golf Swing Speed Trainer TheStackTM - Proven Speed and App Coaching

In this review the Golf Swing Speed Trainer TheStackTM is evaluated for golfers serious about measurable distance gains. The bottom line: this system is best for players who want a structured, data-driven way to increase clubhead speed because it combines adjustable weighted training with an award-winning iOS app and proven results from millions of swings. TheStackTM is not a casual toy; it requires an Apple device and a separate radar to track non-contact swing speed, but for committed players it delivers a focused overload/overspeed program backed by research.

Key Features

• Trusted by pros: Used by top players and coached by leading instructors, the system provides confidence that the training methods are tour-proven.
• Proven speed gains: Large-scale analysis of millions of swings indicates average speed increases, which makes progress measurable rather than anecdotal.
• 30 weight options: Thirty adjustable weight combinations allow precise overload and overspeed training tailored to individual needs and progression.
• Award-winning app: The included iOS app delivers timed sessions, performance tracking, and comparison features to keep training structured and motivating for a year.
• Putting practice included: The full-featured Stack Putting app provides guided putting sessions and insights to improve short game tendencies.
• Expert content: More than 60 videos on swing mechanics and speed drills, curated by a golf biomechanics expert, clarify what to practice and why.

Who It's For

TheStackTM suits golfers who are focused on adding measurable clubhead speed and distance, including amateurs working with coaches and competitive players seeking a repeatable training regimen. The combination of adjustable weights and a coached app makes it especially useful for players who appreciate data and deliberate practice.

It is less appropriate for casual players who do not own a compatible Apple device or a radar speed device, and those looking solely for a simple swing aid without tracking and progressive overload should look elsewhere.

Pros & Cons

Pros

• Proven, research-backed approach that reports average speed gains across many users.
• Thirty weight combinations let users fine-tune overload and overspeed progression.
• Included one-year app membership with timed sessions, tracking, and comparison tools.
• Comprehensive instructional videos and a dedicated putting app extend practice value beyond speed work.

Cons

• Requires an Apple device with iOS 15.0 or later and a separate radar device, which adds to total setup cost.
• The system is focused on speed training and may be more complex than some players need for casual practice.

Specifications

Brand	The Stack System
Weight options	30 adjustable combinations
App	Award-winning iOS app with 1-year membership included
Instructional content	60+ expert videos on mechanics and speed drills
Data source	Analysis of over 35 million swings from 55,000+ users
Requirements	Apple device with iOS 15.0+ and a separate radar speed device

Our Verdict

TheStackTM is a strong choice for golfers who want a measurable, coached path to more clubhead speed and distance; the combination of extensive weight options, a performance app, and expert content makes it good value for committed players willing to add a radar and use an iOS device. For those priorities it delivers structured progression and real-world, research-backed gains.

Frequently Asked Questions

Do I get the app with purchase?
Yes, a one-year membership to the award-winning iOS Stack app is included with the system.

Is a radar device included?
No, a separate radar device capable of measuring non-contact swing speeds is required and must be purchased separately.

Will this help putting?
Yes, the Stack Putting app is included and offers guided putting sessions and insights to improve your short game tendencies.