# Industrial Door Sensor Setup vs GreyPile

The clearest difference is in-app purchases: Industrial Door Sensor Setup at none against GreyPile's 1. Industrial Door Sensor Setup also leads on iOS requirement (9.0 vs 15.1). GreyPile's advantage is update cadence (every 9 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. GreyPile sells 1 one-off in-app purchase. Industrial Door Sensor Setup asks for nothing beyond the download.

Industrial Door Sensor Setup ships an update every 5 months, GreyPile every 9 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Industrial Door Sensor Setup | GreyPile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/industrial-door-sensor-setup/id1447859849/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 18 MB | 118 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [OPTEX CO., LTD.](https://appshunter.io/developer/1447859848) | [Andrea Caserini](https://appshunter.io/developer/1891613807) |

## What reviewers say

### Industrial Door Sensor Setup

[App page](https://appshunter.io/ios/app/industrial-door-sensor-setup/id1447859849)

This utility app allows for the configuration and adjustment of settings for OPTEX industrial door sensors. It offers parameter changes, saving favorite settings, and multilingual descriptions for easy sensor setup.

**Highlights:** Configure industrial door sensor settings, Adjust microwave and AIR area parameters, Manage wireless tag settings, Set activation and supplemental safety outputs, Save favorite configurations, Multilingual support

**In-app purchases:** none


### GreyPile

[App page](https://appshunter.io/ios/app/greypile-miniature-tracker/id6767209752)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GreyPile Pro | $5.99 | one-time |


## Frequently asked questions

### Is Industrial Door Sensor Setup free?

Industrial Door Sensor Setup is free to download, with no in-app purchases.

### Is GreyPile free?

GreyPile is free to download, with in-app purchases available.

### Do Industrial Door Sensor Setup or GreyPile have ads?

Neither Industrial Door Sensor Setup nor GreyPile shows ads.

### Which is updated more often, Industrial Door Sensor Setup or GreyPile?

Industrial Door Sensor Setup ships an update every 5 months, and GreyPile every 9 days. Most recently, Industrial Door Sensor Setup was updated on October 24, 2026 and GreyPile on October 28, 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.*