# WR Mobile vs NSI Pro

The clearest difference is rating: WR Mobile at 4.6 against NSI Pro's 1.0. WR Mobile also leads on ratings volume (5 vs 1). NSI Pro's advantage is update cadence (every 2 weeks vs every 3 months) and iOS requirement (11.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WR Mobile holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: WR Mobile has 5 ratings behind it against 1, so its average is the more settled of the two.

WR Mobile ships an update every 3 months, NSI Pro every 2 weeks. The most recent releases landed on September 28, 2026 and June 22, 2026 respectively.

## The numbers

| Metric | WR Mobile | NSI Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/wr-mobile/id485151763/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/nsi-pro/id1479575341/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 30 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Copeland LP](https://appshunter.io/developer/464252882) | [National Comfort Institute, Inc.](https://appshunter.io/developer/1097845247) |

## What reviewers say

### WR Mobile

[App page](https://appshunter.io/ios/app/wr-mobile/id485151763)

This app offers HVACR contractors and distributors instant access to product replacement data, including wiring diagrams and installation instructions. It provides cross-reference information for OEM, competitive, and White-Rodgers products, all in PDF format for easy sharing.

**Highlights:** Product replacement information, Cross-reference data, Wiring diagrams, Sell sheets, Installation and operating instructions, PDF format documents, Email sharing

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

**In-app purchases:** none


### NSI Pro

[App page](https://appshunter.io/ios/app/nsi-pro/id1479575341)

This app allows NCI-Certified Contractors to activate and pair with National Safety Instruments' Bluetooth-enabled low-level carbon monoxide monitors. It specifically supports devices like the NSI 6000 for professional use.

**Highlights:** Bluetooth connectivity, Device activation, Monitor pairing, Carbon monoxide monitoring, NSI 6000 support

**In-app purchases:** none


## Frequently asked questions

### Is WR Mobile free?

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

### Is NSI Pro free?

NSI Pro is free to download, with no in-app purchases.

### Which has better reviews, WR Mobile or NSI Pro?

WR Mobile is rated higher. WR Mobile averages 4.6 out of 5 from 5 ratings, while NSI Pro averages 1.0 from 1 ratings.

### Do WR Mobile or NSI Pro have ads?

Neither WR Mobile nor NSI Pro shows ads.

### Which is updated more often, WR Mobile or NSI Pro?

WR Mobile ships an update every 3 months, and NSI Pro every 2 weeks. Most recently, WR Mobile was updated on September 28, 2026 and NSI Pro on June 22, 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.*