Comparison

The Stack System vs Peak Golf Institute

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

Peak Golf Institute

Features
Read full description

Download the Peak Golf Institute App today to plan and schedule your appointments! From this mobile App, you can view schedules and book appointments as well as view the studio's location. Optimize your time and maximize the convenience of booking your appointments from your device! Download this App today!

Screenshots

The Stack System4 screens
Peak Golf Institute3 screens

Verdict

The call

The clearest difference is in-app purchases: Peak Golf Institute at none against The Stack System's 8. Peak Golf Institute also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.2). The Stack System's advantage is update cadence (monthly vs every 6 months) and chart position (#88 vs unranked). On price and ads 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. Peak Golf Institute asks for nothing beyond the download.

UpkeepUpdate frequency

The Stack System ships an update monthly, Peak Golf Institute every 6 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 6 level
The Stack System versus Peak Golf Institute: the parameters behind the verdict, then further details
ParameterThe Stack SystemPeak Golf Institute
PriceFreeFree
Rating4.9 (7.1K ratings) — better—
Positive reviews86.3% of reviews—
Number of ratings7.1K — better—
Update frequencyMonthly — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
Best chart rank#88 — better—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.214.0 — better
Further details — not scored
Size222 MB188 MB
Age rating4+4+
DeveloperThe Stack System, LPPPA, llc

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

Peak Golf Institute

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

Peak Golf Institute

No in-app purchases

Questions

Is The Stack System free?
The Stack System is free to download, with in-app purchases available.
Is Peak Golf Institute free?
Peak Golf Institute is free to download, with no in-app purchases.
Do The Stack System or Peak Golf Institute have ads?
Neither The Stack System nor Peak Golf Institute shows ads.
Which is updated more often, The Stack System or Peak Golf Institute?
The Stack System ships an update monthly, and Peak Golf Institute every 6 months. Most recently, The Stack System was updated on October 24, 2026 and Peak Golf Institute on October 9, 2026.

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