# CPF TechTools vs DC Plumbers 5

CPF TechTools and DC Plumbers 5 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

CPF TechTools ships an update every 2 months, DC Plumbers 5 every 4 months. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CPF TechTools | DC Plumbers 5 |
| --- | --- | --- |
| 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** | Every 4 months |
| Monetization | Free | — |
| Size | 8 MB | 28 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charlotte Pipe and Foundry Company](https://appshunter.io/developer/679297387) | [Plumbers Local 5](https://appshunter.io/developer/1595093827) |

## 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


### DC Plumbers 5

[App page](https://appshunter.io/ios/app/dc-plumbers-5/id6755898385)

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

**In-app purchases:** none


## Frequently asked questions

### Is CPF TechTools free?

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

### Is DC Plumbers 5 free?

DC Plumbers 5 is free to download, with no in-app purchases.

### Do CPF TechTools or DC Plumbers 5 have ads?

Neither CPF TechTools nor DC Plumbers 5 shows ads.

### Which is updated more often, CPF TechTools or DC Plumbers 5?

CPF TechTools ships an update every 2 months, and DC Plumbers 5 every 4 months. Most recently, CPF TechTools was updated on October 14, 2026 and DC Plumbers 5 on September 29, 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.*