The Stack System vs P4S Golf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
P4S Golf
This app helps clients of a specific golf training program track healthy habits and activity. It sends push notifications and allows integration with Apple Health for automatic data syncing.
- Habit compliance tracking
- Push notifications for prompts
- HealthKit integration
- Automatic activity and steps data import
- Coach-assigned healthy habits
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The P4S Golf - Member App app is designed for clients of trainers who have enrolled in the P4S Golf - Member App program. The app will send push notifications and prompt clients to answer yes/no question in regards to comply with healthy habits sent by your coach. WHO CAN USE THE APP Clients can only use the app if they are working with a P4S Golf - Member App coach. If you are a P4S Golf - Member App client, please contact your coach to receive your invite and login credentials to be able to use this app. The P4S Golf - Member App app allows access to HealthKit, allowing clients to automatically pull in their activity and steps data from Apple Health to their app.
Screenshots
Verdict
The clearest difference is review sentiment: The Stack System at 86% against P4S Golf's 0%. The Stack System also leads on rating (4.9 vs 1.7) and ratings volume (7K vs 3). P4S Golf's advantage is in-app purchases (none vs 8) and device support (3 vs 1). On price, ads and iOS requirement 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
Both are free to download. The Stack System sells 6 in-app purchases, starting at $9.99 per 7 days. P4S Golf asks for nothing beyond the download.
The Stack System holds the better App Store score, 4.9 against 1.7. That said, the two scores are not equally well evidenced: The Stack System has 7K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 86% of The Stack System's written reviews are positive against 0% of P4S Golf's.
The Stack System ships an update monthly, P4S Golf every 2 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.
| Parameter | The Stack System | P4S Golf |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (7K ratings) — better | 1.7 (3 ratings) |
| Positive reviews | 86.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 7K — better | 3 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Best chart rank | #140 — better | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 221 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | The Stack System, LP | NEW KINETIC SOLUTIONS LLC |
Customer experience
The Stack System
P4S Golf
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
P4S Golf
Not enough reviews yet to summarise bugs or requests.
In-app purchases
The Stack System
- Stack Putting 1 Week$9.997 Days
- Stack Putting 1 Wk$9.997 Days
- TheStack Speed Training3 Days trial$14.997 Days
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- TheStack Scoring Membership3 Months trial3 variants$99.001 Year
- TheStack Speed Membership$99.001 Year
- TheStack Premium Membership1 Year trial$129.001 Year
P4S Golf
No in-app purchases









