Comparison

The Stack System vs GolfDr™

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

The Stack System

Enhance your golf game with science-based training modules for speed, wedging, and putting. Improve distance, accuracy, and consistency with personalized practice sessions and detailed analytics. Requires compatible hardware.

Highlights
  • Variable inertia speed training for distance
  • Science-based wedge distance control
  • Gamified putting practice and analytics
  • Personalized practice sessions
  • Real-time scoring and insights
  • Customizable training modes
Features
Read full description

The award-winning golf training app trusted by more than 75,000 golfers — built to help you hit longer drives, wedge it closer, make more putts, and understand your game like never before. STACK SPEED TRAINING Creates personalized training programs designed to help you swing faster and drive the ball farther. TheStack hardware is required. STACK STATS (NEW) Tracks your on-course performance and shows where you can improve. Identify strengths and weaknesses with advanced insights across every club, distance, lie, and more. STACK WEDGING Sharpens your distance control from 140 yards and in with gamified combines and real-time feedback powered by Stack Radar. PRACTICE TRACKER Elevates range sessions with structured full-swing practice and shot tracking for every club in your bag using Stack Radar. STACK PUTTING Combines intentional practice with data-driven analytics so you can test equipment, identify tendencies, and make more putts. LEARNING LIBRARY Access 60+ instructional videos from PGA Tour coach Dr. Sasho MacKenzie covering the key concepts, feels, and drills behind efficient swings and faster speeds. MEMBERSHIPS TheStack Premium Membership — $129/year Includes Stack Speed Training, Stack Stats, Stack Wedging, Practice Tracker, Stack Putting, and the Learning Library TheStack Speed Membership — $99/year Includes Stack Speed Training, Stack Wedging, Practice Tracker, Stack Putting, and the Learning Library TheStack Scoring Membership — $99/year Includes Stack Stats, Stack Wedging, Practice Tracker, Stack Putting, and the Learning Library Payment is charged to your Apple account after purchase. Subscriptions auto-renew unless canceled at least 24 hours before renewal. Any unused portion of a free trial is forfeited upon purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

GolfDr™

Features
Read full description

GolfDr™ is a clinician-led golf physical therapy platform designed to help serious golfers stay healthy, move better, and play more golf. Built by golf-specialized physical therapists, GolfDr™ combines expert PT guidance with personalized exercise prescriptions (PERx™) designed specifically for the physical demands of golf. This is not a generic workout app. GolfDr™ is designed for golfers who want professional guidance to protect their body, prevent injury, and extend their playing years. Important Information: GolfDr™ PT services are available while located in supported licensed states. Care provided by licensed physical therapists. GolfDr™ is powered by DrivePT (Drive Health Solutions, LLC). Privacy Policy & Terms: https://golfdr.app/tou-privacy-hipaa/#privacy

Screenshots

The Stack System4 screens
GolfDr™4 screens

Verdict

The call

The clearest difference is update cadence: GolfDr™ at every 10 days against The Stack System's monthly. The Stack System's advantage is chart position (#142 vs unranked) and iOS requirement (16.2 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. The Stack System sells 6 in-app purchases, starting at $9.99 per 7 days and GolfDr™ sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

The Stack System ships an update monthly, GolfDr™ every 10 days. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 8 level
The Stack System versus GolfDr™: the parameters behind the verdict, then further details
ParameterThe Stack SystemGolfDr™
PriceFreeFree
Rating4.9 (7K ratings) — better—
Positive reviews86.3% of reviews—
Number of ratings7K — better—
Update frequencyMonthlyEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
Best chart rank#142 — better—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.2 — better18.6
Further details — not scored
Size221 MB150 MB
Age rating4+17+
DeveloperThe Stack System, LPGolf Doctor

Bugs and requests

The Stack System

Reported bugs

2 issues
  • Putting app not working properly
  • Slope percentage input issue

Requested features

3 requests
  • Calendar integration
  • Music/podcast playback integration
  • Apple Watch support

GolfDr™

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

The Stack System

Subscriptions6
  • Stack Putting 1 Week$9.997 Days
  • Stack Putting 1 Wk$9.997 Days
  • TheStack Speed Training3 Days trial$14.997 Days
Show 3 more
  • TheStack Scoring Membership3 Months trial3 variants$99.001 Year
  • TheStack Speed Membership$99.001 Year
  • TheStack Premium Membership1 Year trial$129.001 Year
2 purchases

GolfDr™

Subscriptions2
  • Monthly$19.991 Month
  • Yearly$199.001 Year

Questions

Is The Stack System free?
The Stack System is free to download, with in-app purchases available.
Is GolfDr™ free?
GolfDr™ is free to download, with in-app purchases available.
Do The Stack System or GolfDr™ have ads?
Neither The Stack System nor GolfDr™ shows ads.
Which is updated more often, The Stack System or GolfDr™?
The Stack System ships an update monthly, and GolfDr™ every 10 days. Most recently, The Stack System was updated on October 13, 2026 and GolfDr™ on September 30, 2026.

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