# CPF TechTools vs Plumb Safe

The clearest difference is device support: CPF TechTools at 3 against Plumb Safe's 1. CPF TechTools also leads on iOS requirement (14.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | CPF TechTools | Plumb Safe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (22 ratings)](https://appshunter.io/ios/app/cpf-techtools/id679297384/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 8 MB | 62 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Charlotte Pipe and Foundry Company](https://appshunter.io/developer/679297387) | [Lee Quintana](https://appshunter.io/developer/1785281447) |

## 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


### Plumb Safe

[App page](https://appshunter.io/ios/app/plumb-safe/id6740215174)

**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 Plumb Safe free?

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

### Do CPF TechTools or Plumb Safe have ads?

Neither CPF TechTools nor Plumb Safe 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.*