4D Motion vs OnBaseU
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.
OnBaseU
This app provides a certification program for sports professionals to assess athlete physical abilities in baseball and softball. It helps identify movement limitations and their impact on performance, offering guidelines for improvement.
- Athlete physical ability assessment
- Baseball and softball movement study
- Identification of physical limitations
- Performance impact analysis
- Guidelines for athlete improvement
- Expert-led certification program
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OnBase University is an organization dedicated to studying how the body moves in the sports of Baseball and Softball and how to assess an athlete's physical ability to perform these movement patterns. Comprised of leading experts in baseball and softball coaching, the fitness industry and the healthcare field, OnBase University has created a comprehensive Certification program that gives industry professionals the tools necessary to quickly screen players for any physical limitations and a deep knowledge of how those limitations can affect their performance as well as simple guidelines to help get them back on track.
Screenshots
Verdict
The clearest difference is rating: OnBaseU at 5.0 against 4D Motion's 3.8. OnBaseU also leads on in-app purchases (none vs 6) and iOS requirement (11.0 vs 14.0). 4D Motion's advantage is ratings volume (26 vs 8). On price, review sentiment, update cadence 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
Both are free to download. 4D Motion sells 6 one-off in-app purchases. OnBaseU asks for nothing beyond the download.
OnBaseU holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 26 and 8 respectively. Written reviews split almost evenly too, at 50% and 50% positive.
4D Motion ships an update monthly, OnBaseU every 5 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.
| Parameter | 4D Motion | OnBaseU |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (26 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| Number of ratings | 26 — better | 8 |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 420 MB | 77 MB |
| Age rating | 12+ | 4+ |
| Developer | Ssam Sports, Inc. | ACTPI LLC |
Customer experience
4D Motion
OnBaseU
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
OnBaseU
No in-app purchases








