# plumbSMART vs CHECKED by NSF™

The clearest difference is rating: plumbSMART at 4.5 against CHECKED by NSF™'s 1.0. plumbSMART also leads on ratings volume (8 vs 1). CHECKED by NSF™'s advantage is iOS requirement (11.0 vs 15.0). 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.

plumbSMART holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: plumbSMART has 8 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | plumbSMART | CHECKED by NSF™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/plumbsmart/id1484718132/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/checked-by-nsf/id1522489373/reviews) |
| Number of ratings | **8** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 100 MB | 77 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zurn Holdings, Inc.](https://appshunter.io/developer/1339824204) | [NSF International](https://appshunter.io/developer/489806365) |

## What reviewers say

### plumbSMART

[App page](https://appshunter.io/ios/app/plumbsmart/id1484718132)

Manage and monitor your connected plumbing systems with this app. Track operational statuses, analyze performance trends, and maintain control over your Zurn Connected Products.

**Highlights:** Manage connected plumbing systems, Monitor operational statuses, Analyze performance trends, Control Zurn Connected Products, Single source for ecosystem management

**Features:** macOS Compatibility

**In-app purchases:** none


### CHECKED by NSF™

[App page](https://appshunter.io/ios/app/checked-by-nsf/id1522489373)

This app helps businesses communicate their dedication to risk reduction best practices for employees and customers. It provides a platform to showcase commitment to safety and compliance.

**Highlights:** Communicate risk reduction commitment, Showcase best-practice guidance, Enhance employee and customer safety communication, Support business compliance efforts

**In-app purchases:** none


## Frequently asked questions

### Is plumbSMART free?

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

### Is CHECKED by NSF™ free?

CHECKED by NSF™ is free to download, with no in-app purchases.

### Which has better reviews, plumbSMART or CHECKED by NSF™?

plumbSMART is rated higher. plumbSMART averages 4.5 out of 5 from 8 ratings, while CHECKED by NSF™ averages 1.0 from 1 ratings.

### Do plumbSMART or CHECKED by NSF™ have ads?

Neither plumbSMART nor CHECKED by NSF™ shows ads.

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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.*