Comparison

The Stack System vs Golf Ball Tracker

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

Golf Ball Tracker

Upload a golf swing video and get an AI-powered analysis of your ball's trajectory. Track pitch, speed, and launch angle for tee shots, pitch shots, and putts. Improve your game with detailed insights.

Highlights
  • AI golf shot trajectory tracking
  • Analyze pitch, speed, and launch angle
  • Supports tee shots, pitch shots, and putts
  • Object detection for fast-moving balls
  • Computer vision and deep learning analysis
  • Predictive trajectory modeling
Features
Read full description

Special service for amateur golfers Easily and simply upload a swing video and convert it for free! Analyze your shot through various information such as pitch, trajectory, speed, and launch angle of the ball! Artificial intelligence predicts the trajectory of your golf ball. A. Total of 3 golf ball trajectories are supported. 1. Tee Shot The trajectory, pitch, speed, and launch angle of a golf ball such as a drive or tee shot are drawn on the video. 2. Pitch Shot Track the golf ball with the approach shot and draw the trajectory on the video. 3. Putt by putting, the golf ball is tracked according to the putting lie and a trajectory is drawn. B. There are 3 types of artificial intelligence 1. Object Detection The Obect Detection method is applied to track and process small and fast golf balls. 2. Computer Visioning A dataset of golf balls, golfers, etc., was subjected to deep learning through Open CV. 3. Advanced Prediction trajectory. Check the pitch, direction, ball speed, and launch angle on the Super Shot. In order to increase the accurate golf ball trajectory prediction rate, a continuous reinforcement training process has been applied. trajectory right now. Check the pitch, direction, ball speed, and launch angle in Super Shot! [App permission] The access required to deliver the service is as a service: - Camera Use the camera to locate the ball in more detail.

Screenshots

The Stack System4 screens
Golf Ball Tracker4 screens

Verdict

The call

The clearest difference is review sentiment: The Stack System at 87% against Golf Ball Tracker's 23%. The Stack System also leads on rating (4.9 vs 1.3) and ratings volume (7K vs 10). Golf Ball Tracker's advantage is in-app purchases (none vs 8) and iOS requirement (10.0 vs 16.2). On price, update cadence, ads 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. Golf Ball Tracker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

The Stack System holds the better App Store score, 4.9 against 1.3. That said, the two scores are not equally well evidenced: The Stack System has 7K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 87% of The Stack System's written reviews are positive against 23% of Golf Ball Tracker's.

UpkeepUpdate frequency

The Stack System ships an update monthly, Golf Ball Tracker every 2 months. The most recent releases landed on September 24, 2026 and September 27, 2026 respectively.

Scorecard7 real differences · 4 level
The Stack System versus Golf Ball Tracker: the parameters behind the verdict, then further details
ParameterThe Stack SystemGolf Ball Tracker
PriceFreeFree
Rating4.9 (7K ratings) — better1.3 (10 ratings)
Positive reviews87.0% of reviews — better22.7% of reviews
Number of ratings7K — better10
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
Best chart rank#179 — better—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.210.0 — better
Further details — not scored
Size213 MB44 MB
Age rating4+4+
DeveloperThe Stack System, LP리소컨버젼스

Customer experience

The Stack System

All ratings7,009 ratings
Positive98.9%
Neutral0.8%
Negative0.3%
Written reviews138 reviews
Positive87.0%
Neutral5.8%
Negative7.2%

Golf Ball Tracker

All ratings10 ratings
Positive0.0%
Neutral10.0%
Negative90.0%
Written reviews22 reviews
Positive22.7%
Neutral9.1%
Negative68.2%

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

Golf Ball Tracker

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
None

Golf Ball Tracker

No in-app purchases

Questions

Is The Stack System free?
The Stack System is free to download, with in-app purchases available.
Is Golf Ball Tracker free?
Golf Ball Tracker is free to download, with no in-app purchases.
Which has better reviews, The Stack System or Golf Ball Tracker?
The Stack System is rated higher. The Stack System averages 4.9 out of 5 from 7K ratings, while Golf Ball Tracker averages 1.3 from 10 ratings.
Do The Stack System or Golf Ball Tracker have ads?
Neither The Stack System nor Golf Ball Tracker shows ads.
Which is updated more often, The Stack System or Golf Ball Tracker?
The Stack System ships an update monthly, and Golf Ball Tracker every 2 months. Most recently, The Stack System was updated on September 24, 2026 and Golf Ball Tracker on September 27, 2026.

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