# 4D Motion vs OnBaseU

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.

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.

## The numbers

| Metric | 4D Motion | OnBaseU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (26 ratings)](https://appshunter.io/ios/app/4d-motion/id1144926430/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/onbaseu/id1497071999/reviews)** |
| Number of ratings | **26** | 8 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 420 MB | 77 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ssam Sports, Inc.](https://appshunter.io/developer/1144926429) | [ACTPI LLC](https://appshunter.io/developer/1682118208) |

## What reviewers say

### 4D Motion

[App page](https://appshunter.io/ios/app/4d-motion/id1144926430)

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.

**Highlights:** 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

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock 3D video comparison | $0.99 | one-time |
| 10 swing pack | $2.99 | one-time |
| Unlock more swings | $4.99 | one-time |
| 30 swing pack | $6.99 | one-time |
| 80 swing pack | $15.99 | one-time |
| 750 swing pack | $99.99 | one-time |


### OnBaseU

[App page](https://appshunter.io/ios/app/onbaseu/id1497071999)

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.

**Highlights:** Athlete physical ability assessment, Baseball and softball movement study, Identification of physical limitations, Performance impact analysis, Guidelines for athlete improvement, Expert-led certification program

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4D Motion free?

4D Motion is free to download, with in-app purchases available.

### Is OnBaseU free?

OnBaseU is free to download, with no in-app purchases.

### Which has better reviews, 4D Motion or OnBaseU?

OnBaseU is rated higher. 4D Motion averages 3.8 out of 5 from 26 ratings, while OnBaseU averages 5.0 from 8 ratings.

### Do 4D Motion or OnBaseU have ads?

Neither 4D Motion nor OnBaseU shows ads.

### Which is updated more often, 4D Motion or OnBaseU?

4D Motion ships an update monthly, and OnBaseU every 5 weeks. Most recently, 4D Motion was updated on October 10, 2026 and OnBaseU on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*