# Structure vs WITMOTION

The clearest difference is update cadence: WITMOTION at every 2 weeks against Structure's every 2 months. Structure's advantage is review sentiment (50% vs 38%) and iOS requirement (13.0 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.1 for Structure against 3.0 for WITMOTION. Both are backed by a comparable volume of ratings — 15 and 10 respectively. Written reviews are what separate them: 50% of Structure's written reviews are positive against 38% of WITMOTION's.

Structure ships an update every 2 months, WITMOTION every 2 weeks. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Structure | WITMOTION |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (15 ratings)](https://appshunter.io/ios/app/structure/id570447097/reviews)** | [3.0 (10 ratings)](https://appshunter.io/ios/app/witmotion/id6466998150/reviews) |
| Number of ratings | **15** | 10 |
| Positive reviews | **50.0% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 19 MB | 33 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [WitMotion Shenzhen Co.,Ltd](https://appshunter.io/developer/1509593957) |

## What reviewers say

### Structure

[App page](https://appshunter.io/ios/app/structure/id570447097)

This app is a companion for a 3D scanning accessory, enabling iOS devices to capture the world in three dimensions. It allows users to view live 3D measurements, overlay depth and color data, and stream 3D data to a computer. The app also facilitates firmware updates and battery level checks for the accessory.

**Highlights:** Live 3D distance measurements, Overlay 3D depth and color, Live 3D stream uplink via WiFi, Structure Sensor firmware updates, Structure Sensor battery level check

**In-app purchases:** none


### WITMOTION

[App page](https://appshunter.io/ios/app/witmotion/id6466998150)

This app provides convenient sensor data display and configuration for tilt sensors. It offers real-time data, visual charts, 3D angle display, and data recording for analysis.

**Highlights:** Real-time tilt sensor data display, Sensor configuration (sample rate, sensitivity), Visual chart tools (curve, scatter plots), 3D angle display, User-friendly interface, Data recording and export

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

**In-app purchases:** none


## Frequently asked questions

### Is Structure free?

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

### Is WITMOTION free?

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

### Which has better reviews, Structure or WITMOTION?

Structure is rated higher. Structure averages 3.1 out of 5 from 15 ratings, while WITMOTION averages 3.0 from 10 ratings.

### Do Structure or WITMOTION have ads?

Neither Structure nor WITMOTION shows ads.

### Which is updated more often, Structure or WITMOTION?

Structure ships an update every 2 months, and WITMOTION every 2 weeks. Most recently, Structure was updated on October 5, 2026 and WITMOTION on September 26, 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.*