# System Sensor Doc Center vs RexelUSA Mobile

The clearest difference is rating: System Sensor Doc Center at 4.0 against RexelUSA Mobile's 2.6. System Sensor Doc Center also leads on iOS requirement (6.1 vs 16.0). On price, ratings volume, update cadence 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.

System Sensor Doc Center holds the better App Store score, 4.0 against 2.6. Both are backed by a comparable volume of ratings — 4 and 8 respectively.

System Sensor Doc Center ships an update every 2 months, RexelUSA Mobile every 5 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | System Sensor Doc Center | RexelUSA Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/system-sensor-doc-center/id830535523/reviews)** | [2.6 (8 ratings)](https://appshunter.io/ios/app/rexelusa-mobile/id1537022597/reviews) |
| Number of ratings | 4 | **8** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 38 MB |
| Requires iOS | **6.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) | [Rexel USA, Inc.](https://appshunter.io/developer/498798691) |

## What reviewers say

### System Sensor Doc Center

[App page](https://appshunter.io/ios/app/system-sensor-doc-center/id830535523)

Access a comprehensive library of product documentation, including manuals, catalogs, and installation guides for intelligent fire alarm systems. This app provides essential resources for users of a leading fire safety technology producer.

**Highlights:** Fetch product documents, View manuals, Access catalogs, Find installation resources, Explore fire alarm systems

**In-app purchases:** none


### RexelUSA Mobile

[App page](https://appshunter.io/ios/app/rexelusa-mobile/id1537022597)

This shopping application is designed to complement the features and capabilities of its corresponding website. It offers a streamlined experience for users to access online services and functionalities.

**Highlights:** Website feature integration, Enhanced mobile experience, Streamlined access to services, Complementary functionalities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is System Sensor Doc Center free?

System Sensor Doc Center is free to download, with no in-app purchases.

### Is RexelUSA Mobile free?

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

### Which has better reviews, System Sensor Doc Center or RexelUSA Mobile?

System Sensor Doc Center is rated higher. System Sensor Doc Center averages 4.0 out of 5 from 4 ratings, while RexelUSA Mobile averages 2.6 from 8 ratings.

### Do System Sensor Doc Center or RexelUSA Mobile have ads?

Neither System Sensor Doc Center nor RexelUSA Mobile shows ads.

### Which is updated more often, System Sensor Doc Center or RexelUSA Mobile?

System Sensor Doc Center ships an update every 2 months, and RexelUSA Mobile every 5 weeks. Most recently, System Sensor Doc Center was updated on October 21, 2026 and RexelUSA Mobile on October 24, 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.*