# AvaSci vs 3DSeg/JointAngles

The clearest difference is in-app purchases: 3DSeg/JointAngles at none against AvaSci's 2. AvaSci's advantage is iOS requirement (13.0 vs 26.2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. AvaSci sells 2 in-app purchases, starting at $0.99 per month. 3DSeg/JointAngles asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for AvaSci against 5.0 for 3DSeg/JointAngles. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | AvaSci | 3DSeg/JointAngles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/avasci/id6477493063/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/3dsegjointangles/id6761221410/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 378 MB | 5 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Avasci LLC](https://appshunter.io/developer/1729465694) | [Boyi Dai](https://appshunter.io/developer/1888293968) |

## What reviewers say

### AvaSci

[App page](https://appshunter.io/ios/app/avasci/id6477493063)

This app uses patented motion capture and AI to precisely measure joint function, revealing details imperceptible to the human eye. It offers an easy-to-use interface to revolutionize how human body movement is analyzed. The app is free to download and use.

**Highlights:** Motion capture technology, Artificial intelligence analysis, Detailed joint function measurement, Easy-to-use interface, Revolutionary movement analysis

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $99.99 | per year |


### 3DSeg/JointAngles

[App page](https://appshunter.io/ios/app/3dsegjointangles/id6761221410)

This app measures three-dimensional angles of body segments and joints in real-time using your iPhone's motion sensors. It is designed for researchers, clinicians, and trainers to analyze movement without external hardware. Data can be exported for further analysis.

**Highlights:** Real-time 3D angle display at 60 Hz, Six selectable Cardan/Euler rotation sequences, Calibrate to any starting position, Built-in angle time-series plot, CSV export via iOS Share Sheet, Works completely offline

**In-app purchases:** none


## Frequently asked questions

### Is AvaSci free?

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

### Is 3DSeg/JointAngles free?

3DSeg/JointAngles is free to download, with no in-app purchases.

### Which has better reviews, AvaSci or 3DSeg/JointAngles?

AvaSci and 3DSeg/JointAngles are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do AvaSci or 3DSeg/JointAngles have ads?

Neither AvaSci nor 3DSeg/JointAngles shows ads.

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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.*