Auto Proximity Detection vs Structure Sensor Calibrator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Auto Proximity Detection
This utility app allows hands-free control of your iPhone using the proximity sensor. Perform actions like taking photos, recording audio/video, or toggling the flashlight by covering the screen, ideal for when you can't interact directly.
- Hands-free photo taking
- Audio recording
- Video recording
- Flashlight toggle
- Voice-reported location
- Voice-reported time
- Text note dictation
- Number counting
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When we are moving or acting, we cannot tap the button on the screen of iPhone or we have no time to watch the screen of iPhone, but we still could cover the screen of iPhone and we still hope to use the iPhone to do the following jobs (1)take photo (2) record the sound (3)record the video (4)turn on/off the flashlight(5) play the sound (6) report the location by talking (7) report the time by talking (8) talk the text notes.(9) count the number one by one. This App is developed for the situations above. It depends on the Proximity Sensor in iPhone. The proximity Sensor is located at the top part of the screen of iPhone, the left side of front camera. We need to use the following two special actions: 1. Cover+Left: Cover the top part of the iphone's screen and left. 2.Hold: Cover the top part of the iphone's screen, wait for a longer time, at least ten seconds and finally left. We could cover the screen by our hands, our clothes, our arms, our face,our body, or our books. For talking the name of location, the iPhone need to connect the internet Usage: When we tap the cover button, the App will be in the covering status. When we tap the hold button, the App will be in the holding status. In the covering status, if we take photos (default eight photos), record video, record sound, play sound and talk notes, we need to cover and left the top of the screen first, then the job will start, after at least seven seconds, we could cover again to stop the job. In the holding status, if we take photos (default eight photos), record video, record sound, play sound and talk notes, we need to cover the top of the screen first, without leaving, then the job will start, when we want to stop the job, we need to left. Tap the count button, the talking counter will be launched.Just cover the screen, the Talking counter could help us to count the number by talking in English. Tap the menu button at the bottom left corner, the menu will be displayed. This menu includes five items. 1 View Video Clips. 2 Play Sound files. In this view, we could play sound , delete sound files and rename the file. 3 View Photos. Tap this item, we could see the photo list with the small photo preview. When we tap the photo item, this view will close. 4 Select a sound file for playing. Select the sound file for the playing. The sound files includes the file record by the recording reaction or the sound files imported from the iTune file sharing. 5 Talk Notes. Edit and Add the text notes. Solution Examples Solution 1: When we are walking in darkness, turn on or turn off the flash light quickly and frequently. Step 1: Launch this App. Step 2: Select the cover button. Step 3: Select the flash light button Step 4: Start to walk as usual. Step 5: If you decide to turn on the light ,then make the iPhone screen close to your clothes and left.If you decide to turn off the light ,then make the iPhone screen close to your clothes and left again. Solution 2: Make the app talk the current location while we are walking. Step 1: Launch this App. Step 2: Select the cover button. Step 3: Select the location button Step 4: Start to walk as usual. Step 5: If you need to listen the talking of the current location ,then make the iPhone screen close to your clothes and left the screen from your clothes.The app will talk the information about the location. Solution 3: Record the sound while studying in Classroom Step 1: Launch this App. Step 2: Confirm already tap the Record Sound button. Step 3: Select the cover button. Step 4: Put the iPhone on your desk Step 5: If you decide to record the sound, then put your hand on the top left corner of the iPhone screen, then left your hand Step 6: When you want to stop recording, just put your hand again on the top left corner and left.
Structure Sensor Calibrator
This utility app precisely aligns 3D depth data from a Structure Sensor accessory with your iOS device's camera. It enhances full-color 3D scanning and optimizes performance in related applications. The calibration process is quick and saves results directly to the accessory.
- Aligns 3D depth data
- Enhances full-color 3D scanning
- Optimizes sensor performance
- Simple user interface
- Quick calibration process
- Saves results to accessory
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NOTE: This application is designed for the Structure Sensor accessory. Learn more at http://structure.io Unlock your Structure Sensor's full potential with Calibrator! Calibrator precisely aligns 3D depth from your Structure Sensor accessory to your iOS device's camera. This enables better full-color 3D scanning, and optimal performance of the Structure Sensor in all Occipital applications. A simple user interface guides you through the calibration process in just a few minutes. Calibration results are saved to the accessory and are immediately accessible in other apps. This application requires the Structure Sensor accessory. Device Compatibility: ========== iPad: Calibrator supports all recent iPad models with Lightning connector. Requires corresponding attachment Bracket, which can be found at: [https://store.structure.io/store] iPhone / Custom Cases: Calibrator can be used with custom 3D printed iPhone cases. All iPhones with Lightning connector are supported. iPhone 12 or newer is recommended. [https://support.structure.io/article/162-can-i-use-the-structure-sensor-with-an-iphone]
Screenshots
Verdict
The clearest difference is rating: Structure Sensor Calibrator at 3.0 against Auto Proximity Detection's 1.0. Structure Sensor Calibrator also leads on review sentiment (19% vs 0%). On price, ratings volume, update cadence and ads 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 Sensor Calibrator holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 0% of Auto Proximity Detection's written reviews are positive against 19% of Structure Sensor Calibrator's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.
| Parameter | Auto Proximity Detection | Structure Sensor Calibrator |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) | 3.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 19.0% of reviews — better |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 4 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | 方 沈 | XRPro, LLC |
Customer experience
Auto Proximity Detection
Structure Sensor Calibrator
In-app purchases
Auto Proximity Detection
No in-app purchases
Structure Sensor Calibrator
No in-app purchases
Questions
Is Auto Proximity Detection free?
Is Structure Sensor Calibrator free?
Which has better reviews, Auto Proximity Detection or Structure Sensor Calibrator?
Do Auto Proximity Detection or Structure Sensor Calibrator have ads?
Which is updated more often, Auto Proximity Detection or Structure Sensor Calibrator?
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