# CPF TechTools vs KMR Union Dues

The clearest difference is device support: CPF TechTools at 3 against KMR Union Dues's —. On price, in-app purchases and iOS requirement 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 | KMR Union Dues |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (23 ratings)](https://appshunter.io/ios/app/cpf-techtools/id679297384/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 8 MB | 1 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Charlotte Pipe and Foundry Company](https://appshunter.io/developer/679297387) | [Kevin Phillips](https://appshunter.io/developer/1846306850) |

## 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


### KMR Union Dues

[App page](https://appshunter.io/ios/app/kmr-union-dues/id6754018559)

**In-app purchases:** none


## Frequently asked questions

### Is CPF TechTools free?

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

### Is KMR Union Dues free?

KMR Union Dues is free to download, with no in-app purchases.

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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.*