The Stack System vs Ubeus
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
Read full descriptionHide 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
Ubeus
This app promotes well-being by fostering connections and meaningful conversations. It encourages daily check-ins to strengthen individual foundations and alleviate loneliness. The focus is on building community through deep, supportive interactions.
- Living Ideation philosophy
- Strengthens individual functioning
- Alleviates loneliness
- Fosters connectedness
- Daily check-ins
- Meaningful conversations
Read full descriptionHide full description
The Ubeus app encapsulates the concepts of Living Ideation. "Living Ideation" is a philosophical reframe that encourages people to strengthen their foundations of functioning to effectively alleviate the consequences of loneliness. It strongly reinforces the importance of "connectedness", that is, we are all better when we have strong connections to the people we love and respect. To that end, this app focuses on building the individual through daily "check-ins" and through fostering deep and meaningful conversations with other people in their tight-knit community. Terms of Use (EULA): https://web.ubeus.app/UbeusTermsAndConditions.html
Screenshots
Verdict
The clearest difference is ratings volume: The Stack System at 7K against Ubeus's 6. The Stack System also leads on chart position (#199 vs unranked). Ubeus's advantage is update cadence (every 9 days vs monthly) and review sentiment (100% vs 87%). On price, rating, ads and in-app purchases 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 and Ubeus sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for The Stack System against 5.0 for Ubeus. That said, the two scores are not equally well evidenced: The Stack System has 7K ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 87% of The Stack System's written reviews are positive against 100% of Ubeus's.
The Stack System ships an update monthly, Ubeus every 9 days. The most recent releases landed on September 27, 2026 and September 12, 2026 respectively.
| Parameter | The Stack System | Ubeus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (7K ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 87.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7K — better | 6 |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Best chart rank | #199 — better | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.2 — better | 16.4 |
| Further details — not scored | ||
| Size | 213 MB | 82 MB |
| Age rating | 4+ | 12+ |
| Developer | The Stack System, LP | Ubeus |
Customer experience
The Stack System
Ubeus
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
Ubeus
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
Show 3 moreShow fewer
- TheStack Scoring Membership3 Months trial3 variants$99.001 Year
- TheStack Speed Membership$99.001 Year
- TheStack Premium Membership1 Year trial$129.001 Year
Ubeus
- Ubeus Monthly$2.991 Month
- Annual Subscription$29.991 Year
