4D Motion vs BAL.ON
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4D Motion
Learn, analyze, and train human motion for sports, conditioning, and physical therapy. Features interactive 3D tutorials, swing analysis by comparing your recordings to pro models, and motion capture for detailed performance training and rehabilitation.
- Interactive 3D golf tutorials
- Compare your motion to pro models
- Record and overlay your video with 3D models
- 3D motion capture for analysis
- Performance training and physical therapy tools
- Analyze golf, baseball, and conditioning movements
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4D Motion is the ultimate 3D platform for learning, analyzing and training human motion for sports, conditioning and physical therapy. *New for Golf* · An interactive golf tutorial featuring pro swings in 3D. You can see their swings from any angle, zoom in and out and see exactly what they are doing without the limitations of 2D video. Included are tips highlighting key positions or movements for each step of the swing. · Compare your movement to a pro’s. Record a video of your swing right from your phone and overlay a pro’s 3D model on top of your video from address to finish. This revolutionary technology will instantly highlight the changes you need to make to improve your swing, Use 4D Motion sensors to capture yourself or your students in 3D to train like a professional. Use 4D Motion sensors to measure and analyze/compare movements in 3D for physical therapy, rehabilitation and performance training. For golf, baseball, performance training, and physical therapy, 4D Motion is the most sophisticated, yet simple and affordable platform to analyze, learn, and train human motion. Download this free app and try it risk-free.
BAL.ON
This golf training app analyzes your swing using pressure and video data to provide AI-driven drills for faster club head speed and lower scores. It offers detailed swing metrics and visualizations to help you improve technique and ball striking.
- AI-powered swing analysis
- Pressure and video data tracking
- Customized drill recommendations
- Swing metric visualization (heatmap, CoP)
- Automatic swing detection
- Professional data comparison
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BAL.ON – the Foundation of Fast! BAL.ON is a mobile golf training system refining details of your swing technique to unlock higher club head speed and achieve lower scores. It relies on pressure and video data to analyze your motion along key metrics. Based on your scoring in these metrics, BAL.ON’s AI coaching recommends the one individual drill to fix your swing. You improve your technique, swing faster, hit it longer. Customized feedback, better shot The BAL.ON app records your pressure data and videos of your swings. It compares both with thousands of reference data, many of them from pros. Out of this, BAL.ON spots your chance for improvement. Relying on swing metrics and AI, you get customized drills that help you swing faster and hit longer shots. Take apart your swing, then your opponent BAL.ON rates your swing along three basic metrics: Setup, Backswing, and Impact. Mastering these swing key positions improves your ball-striking quality and consistency. The advanced metrics are Transition Timing, Vertical Timing, Max Vertical, and Rhythm. Understanding and perfecting the timing minutiae within your weight shift gives you the extra momentum for clubhead speed and ultimately shot length. It also helps achieve the effortless grace that advanced players look for in the golf swing. How BAL.ON delivers for you as a coach Live heatmap Have pressure distribution visualized throughout the swing. Center of pressure See the combined center of pressure, a key variable for shot quality, move during the swing. Pressure balance graph Mark the pressure ratios (left to right) for each swing key position. Graphic cues make it easy to spot the shifting and timing relations: extremely helpful for technique improvement. State-of-the-art data accuracy Tested against the best solutions out in the market, BAL.ON provides reliable and accurate data. Usability lets you focus on what matters With our automatic swing detection, there is no need to interact with the camera between shots. Like its users, BAL.ON is constantly improving If you feel like it, let us know what you’d like to see integrated: contact@bal-on.golf The gems of your training time: BAL.ON Premium Want to tap your total potential as a player? Train according to your very own goals and learn even more about drills and technique? With the Traceline Drill, BAL.ANCE Goals, and an extended Training Video Library, BAL.ON Premium affords you more individualization in practice and more information to boot. BAL.ON Premium is free for a three-month trial period and requires a subscription fee from the fourth month onward. BAL.ON Premium – Subscription details: • Title – BAL.ON Premium • Length of subscription – monthly • Price of subscription – $5.99/month • Payment will be charged to iTunes Account at confirmation of purchase • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable End User License Agreement (Apple): https://www.apple.com/legal/internet-services/itunes/dev/stdeula Terms of Use (BAL.ON): https://www.bal-on.golf/on/demandware.static/-/Library-Sites-bal-on-library/default/dw8248c538/Footer%20documents/Terms_of_Use_App.pdf Privacy Policy (BAL.ON): https://www.bal-on.golf/on/demandware.static/-/Library-Sites-bal-on-library/default/dw2e80a7cf/Footer%20documents/Privacy_Policy_App.pdf BAL.ON – Improve your Swing. Improve your Game.
Screenshots
Verdict
The clearest difference is rating: BAL.ON at 4.2 against 4D Motion's 3.8. BAL.ON also leads on review sentiment (60% vs 50%). 4D Motion's advantage is ratings volume (26 vs 5). On price, update cadence, 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. 4D Motion sells 6 one-off in-app purchases and BAL.ON sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
BAL.ON holds the better App Store score, 4.2 against 3.8. That said, the two scores are not equally well evidenced: 4D Motion has 26 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 50% of 4D Motion's written reviews are positive against 60% of BAL.ON's.
4D Motion ships an update monthly, BAL.ON every 2 months. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.
| Parameter | 4D Motion | BAL.ON |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (26 ratings) | 4.2 (5 ratings) — better |
| Positive reviews | 50.0% of reviews | 60.0% of reviews — better |
| Number of ratings | 26 — better | 5 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 420 MB | 109 MB |
| Age rating | 12+ | 4+ |
| Developer | Ssam Sports, Inc. | Continental |
Customer experience
4D Motion
BAL.ON
In-app purchases
4D Motion
- Unlock 3D video comparison$0.99
- 10 swing pack$2.99
- Unlock more swings$4.99
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- 30 swing pack$6.99
- 80 swing pack$15.99
- 750 swing pack$99.99
BAL.ON
- Monthly Subscription3 Months trial$5.991 Month









