# DynamicGoniometerAR vs IOL3D LIDAR

The clearest difference is price: IOL3D LIDAR at Free against DynamicGoniometerAR's $2.99. IOL3D LIDAR also leads on update cadence (every 2 months vs every 14 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

IOL3D LIDAR is free to download; DynamicGoniometerAR costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DynamicGoniometerAR ships an update every 14 months, IOL3D LIDAR every 2 months. The most recent releases landed on September 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DynamicGoniometerAR | IOL3D LIDAR |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/dynamicgoniometerar/id1457358248/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 2 MB | 32 MB |
| Requires iOS | 18.0 | **17.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ORTHOPRACTIS.COM SINGLE MEMBER P.C.](https://appshunter.io/developer/1286360877) | [James Ludlow](https://appshunter.io/developer/1019330489) |

## What reviewers say

### DynamicGoniometerAR

[App page](https://appshunter.io/ios/app/dynamicgoniometerar/id1457358248)

This medical app uses augmented reality to measure joint range of motion in real-time. It assists healthcare professionals by dynamically tracking patient movements and displaying angle measurements directly on screen.

**Highlights:** Augmented reality joint angle measurement, Real-time dynamic motion tracking, Automatic marker recognition, Continuous angle and range of motion display, Save results as screenshots, Patient freedom of movement

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

**In-app purchases:** none


### IOL3D LIDAR

[App page](https://appshunter.io/ios/app/iol3d-lidar/id6484272450)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DynamicGoniometerAR free?

DynamicGoniometerAR costs $2.99, with no in-app purchases.

### Is IOL3D LIDAR free?

IOL3D LIDAR is free to download, with no in-app purchases.

### Do DynamicGoniometerAR or IOL3D LIDAR have ads?

Neither DynamicGoniometerAR nor IOL3D LIDAR shows ads.

### Which is updated more often, DynamicGoniometerAR or IOL3D LIDAR?

DynamicGoniometerAR ships an update every 14 months, and IOL3D LIDAR every 2 months. Most recently, DynamicGoniometerAR was updated on September 26, 2026 and IOL3D LIDAR 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.*