# CPF TechTools vs plumbSMART

CPF TechTools and plumbSMART are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 4.5 for CPF TechTools against 4.5 for plumbSMART. Both are backed by a comparable volume of ratings — 22 and 8 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on July 7, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | CPF TechTools | plumbSMART |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (22 ratings)](https://appshunter.io/ios/app/cpf-techtools/id679297384/reviews) | [4.5 (8 ratings)](https://appshunter.io/ios/app/plumbsmart/id1484718132/reviews) |
| Number of ratings | **22** | 8 |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 8 MB | 100 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charlotte Pipe and Foundry Company](https://appshunter.io/developer/679297387) | [Zurn Holdings, Inc.](https://appshunter.io/developer/1339824204) |

## What reviewers say

### CPF TechTools

[App page](https://appshunter.io/ios/app/cpf-techtools/id679297384)

This app offers essential on-the-go technical calculators for plumbing professionals. It includes tools for expansion/contraction and temperature de-rating, with more features planned for future updates.

**Highlights:** Expansion calculator, Contraction calculator, Temperature de-rating calculator, Tools for plumbing professionals, Future tool additions planned

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CPF TechTools free?

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

### Is plumbSMART free?

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

### Which has better reviews, CPF TechTools or plumbSMART?

CPF TechTools and plumbSMART are both rated 4.5 out of 5 on the App Store, from 22 and 8 ratings respectively.

### Do CPF TechTools or plumbSMART have ads?

Neither CPF TechTools nor plumbSMART shows ads.

### Which is updated more often, CPF TechTools or plumbSMART?

CPF TechTools ships an update every 2 months, and plumbSMART every 2 months. Most recently, CPF TechTools was updated on July 7, 2026 and plumbSMART on September 14, 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.*