# 4D Motion vs S2M Companion

The clearest difference is in-app purchases: S2M Companion at none against 4D Motion's 6. S2M Companion also leads on update cadence (every 11 days vs monthly). 4D Motion's advantage is device support (4 vs 1) and iOS requirement (14.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. 4D Motion sells 6 one-off in-app purchases. S2M Companion asks for nothing beyond the download.

4D Motion ships an update monthly, S2M Companion every 11 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 4D Motion | S2M Companion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (27 ratings)](https://appshunter.io/ios/app/4d-motion/id1144926430/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 420 MB | 93 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Ssam Sports, Inc.](https://appshunter.io/developer/1144926429) | [Smart2Move AG](https://appshunter.io/developer/1115139366) |

## 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 |


### S2M Companion

[App page](https://appshunter.io/ios/app/s2m-companion/id6757604572)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 4D Motion free?

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

### Is S2M Companion free?

S2M Companion is free to download, with no in-app purchases.

### Do 4D Motion or S2M Companion have ads?

Neither 4D Motion nor S2M Companion shows ads.

### Which is updated more often, 4D Motion or S2M Companion?

4D Motion ships an update monthly, and S2M Companion every 11 days. Most recently, 4D Motion was updated on November 2, 2026 and S2M Companion on October 25, 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.*