Structure vs Gatekeeper for Kiosks
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.
Gatekeeper for Kiosks
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This is Green Security's Gatekeeper product for a standalone iPad kiosk.
Screenshots
Verdict
The clearest difference is update cadence: Gatekeeper for Kiosks at monthly against Structure's every 2 months. Structure's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 15.6). On price, 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 ships an update every 2 months, Gatekeeper for Kiosks monthly. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.
| Parameter | Structure | Gatekeeper for Kiosks |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (15 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 19 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | XRPro, LLC | Green Security LLC |
In-app purchases
Structure
No in-app purchases
Gatekeeper for Kiosks
No in-app purchases
Questions
Is Structure free?
Is Gatekeeper for Kiosks free?
Do Structure or Gatekeeper for Kiosks have ads?
Which is updated more often, Structure or Gatekeeper for Kiosks?
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