# CheckMotion vs ShadowSwing

The clearest difference is review sentiment: ShadowSwing at 100% against CheckMotion's 0%. ShadowSwing also leads on rating (5.0 vs 3.0) and ads (none vs shown). CheckMotion's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. CheckMotion sells 1 in-app purchase, starting at $9.99 per month and ShadowSwing sells 3 in-app purchases, starting at $12.99 per year. Whichever you choose, the download price is not the number that matters.

ShadowSwing holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of CheckMotion's written reviews are positive against 100% of ShadowSwing's.

CheckMotion ships an update every 2 weeks, ShadowSwing daily. Both last shipped on October 7, 2026.

## The numbers

| Metric | CheckMotion | ShadowSwing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/checkmotion/id6751821354/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shadowswing-tennis-trainer/id6809895430/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 102 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Georg Steinbacher](https://appshunter.io/developer/1733496481) | [Hackem Software](https://appshunter.io/developer/1612374183) |

## What reviewers say

### CheckMotion

[App page](https://appshunter.io/ios/app/checkmotion/id6751821354)

Analyze athletic performance with AI-powered motion tracking. Upload photos or videos to get detailed biomechanical insights and personalized tips across over 30 sports. Improve technique, prevent injuries, and track progress with instant feedback.

**Highlights:** AI-powered biomechanical analysis, Support for 30+ sports, Real-time performance feedback, Progress tracking and analytics, Personalized training tips, Video and photo analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |


### ShadowSwing

[App page](https://appshunter.io/ios/app/shadowswing-tennis-trainer/id6809895430)

This app uses your iPhone to analyze and improve your tennis, padel, or pickleball swing. It provides real-time feedback, guided drills, and detailed 3D shot analysis to help you refine your technique and track your progress.

**Highlights:** iPhone swing trainer, Real-time feedback, 3D shot analysis, Guided drills, Progress tracking, Customizable daily goals

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $12.99 | per year |
| Pro Lifetime (Offer) | $17.99 | one-time |
| Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is CheckMotion free?

CheckMotion is free to download, with in-app purchases available.

### Is ShadowSwing free?

ShadowSwing is free to download, with in-app purchases available.

### Which has better reviews, CheckMotion or ShadowSwing?

ShadowSwing is rated higher. CheckMotion averages 3.0 out of 5 from 2 ratings, while ShadowSwing averages 5.0 from 1 ratings.

### Do CheckMotion or ShadowSwing have ads?

CheckMotion shows ads; ShadowSwing does not.

### Which is updated more often, CheckMotion or ShadowSwing?

CheckMotion ships an update every 2 weeks, and ShadowSwing daily. Most recently, CheckMotion was updated on October 7, 2026 and ShadowSwing on October 7, 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.*