Structure vs LimbLogic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Structure
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.
- Live 3D distance measurements
- Overlay 3D depth and color
- Live 3D stream uplink via WiFi
- Structure Sensor firmware updates
- Structure Sensor battery level check
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This is the official companion app for the Structure Sensor Made-for-iPad accessory. The Structure Sensor is a groundbreaking accessory that allows your iOS device to capture the world in 3D. Visit http://structure.io to learn about the Structure Sensor accessory and other apps that use it. Features: • View live 3D distance measurements. • Overlay 3D depth and color. • Uplink a live 3D stream to your computer via WiFi. • Update Structure Sensor firmware. • Check your Structure Sensor's battery level.
LimbLogic
This application allows users of a specific elevated vacuum system to wirelessly control and monitor their device. Users can adjust vacuum levels, change modes based on activity, and check system status. It provides convenient access to key settings for optimal prosthesis management.
- Adjust vacuum level
- Change mode based on activity
- Control system volume
- Check battery level
- View vacuum settings
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LimbLogic® Users of WillowWood’s LimbLogic elevated vacuum system may use the LimbLogic app to communicate with the vacuum pump and easily adjust settings to best suit their lifestyles and activities. With the LimbLogic app, a user may: Adjust vacuum level in the prosthesis Change mode based on activity Control system volume levels Easily check battery level of vacuum pump See vacuum settings at a glance To learn more about LimbLogic, visit willowwoodco.com.
Screenshots
Verdict
The clearest difference is rating: Structure at 3.1 against LimbLogic's 2.4. Structure also leads on review sentiment (50% vs 13%) and update cadence (every 2 months vs every 8 months). LimbLogic's advantage is iOS requirement (8.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Structure holds the better App Store score, 3.1 against 2.4. Both are backed by a comparable volume of ratings — 15 and 9 respectively. Written reviews point the same way: 50% of Structure's written reviews are positive against 13% of LimbLogic's.
Structure ships an update every 2 months, LimbLogic every 8 months. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.
| Parameter | Structure | LimbLogic |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (15 ratings) — better | 2.4 (9 ratings) |
| Positive reviews | 50.0% of reviews — better | 12.5% of reviews |
| Number of ratings | 15 — better | 9 |
| Update frequency | Every 2 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 4 MB |
| Age rating | 4+ | 12+ |
| Developer | XRPro, LLC | Willow Wood |
Customer experience
Structure
LimbLogic
In-app purchases
Structure
No in-app purchases
LimbLogic
No in-app purchases
Questions
Is Structure free?
Is LimbLogic free?
Which has better reviews, Structure or LimbLogic?
Do Structure or LimbLogic have ads?
Which is updated more often, Structure or LimbLogic?
Other comparisons
