The Stack System vs Matterhorn Fit
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
Matterhorn Fit
This app helps you manage your fitness performance, recovery, and appointments. It allows you to find nearby facilities, book sessions, and track your progress. You can also manage schedules for multiple family members and purchase services directly through the app.
- Performance and recovery tracking
- Appointment booking and management
- Location finder for facilities
- Multi-family member scheduling
- In-app service and product purchases
- Schedule synchronization
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The Matterhorn Fit app is your all-in-one hub for performance, recovery, and scheduling; designed to keep you moving at your highest level. Whether you're overcoming pain, building strength, or optimizing performance, the app gives you direct access to everything you need to stay consistent and in control of your progress. Find a Location Near You Quickly locate the nearest Matterhorn Fit facility and connect with our team of performance specialists. Book & Manage Appointments Schedule your initial evaluation or ongoing sessions with ease. View upcoming appointments, make changes, and stay organized, anytime, anywhere. Stay on Track Access your full schedule in one place and subscribe to your calendar so you never miss a session. Support the Whole Family Easily manage schedules for multiple family members from a single account; perfect for busy households. Purchase Services & Products Buy additional sessions, premium supplements, and gear directly through the app to support your progress. Stay Informed Get updates, promotions, and important announcements so you’re always connected to what’s happening at Matterhorn Fit. At Matterhorn Fit, we don’t just treat symptoms, we help you unlock your body’s full potential through a neurological, performance-based approach. Download the app today and take control of your performance, recovery, and results.
Screenshots
Verdict
The clearest difference is in-app purchases: Matterhorn Fit at none against The Stack System's 8. Matterhorn Fit also leads on update cadence (every 3 days vs monthly) and device support (3 vs 1). The Stack System's advantage is ratings volume (7K vs 2) and chart position (#97 vs unranked). On price, rating, ads and monetization model 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. Matterhorn Fit asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for The Stack System against 5.0 for Matterhorn Fit. That said, the two scores are not equally well evidenced: The Stack System has 7K ratings behind it against 2, so its average is the more settled of the two.
The Stack System ships an update monthly, Matterhorn Fit every 3 days. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.
| Parameter | The Stack System | Matterhorn Fit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (7K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 86.3% of reviews | — |
| Number of ratings | 7K — better | 2 |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free with in-app purchases |
| Best chart rank | #97 — better | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 221 MB | 51 MB |
| Age rating | 4+ | 12+ |
| Developer | The Stack System, LP | SRK1 LLC |
Customer experience
The Stack System
Matterhorn Fit
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
Matterhorn Fit
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
Matterhorn Fit
No in-app purchases
Questions
Is The Stack System free?
Is Matterhorn Fit free?
Which has better reviews, The Stack System or Matterhorn Fit?
Do The Stack System or Matterhorn Fit have ads?
Which is updated more often, The Stack System or Matterhorn Fit?
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