CPF TechTools vs DC Plumbers 5
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CPF TechTools
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.
- Expansion calculator
- Contraction calculator
- Temperature de-rating calculator
- Tools for plumbing professionals
- Future tool additions planned
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Charlotte Pipe Tech Tools App provides simple, on-the-go technical tools for the plumbing industry. Tools featured include an expansion and contraction calculator and a temperature de-rating calculator. Ideal for plumbing engineers, contractors, architects and other industry professionals. Additional tools will be added soon.
DC Plumbers 5
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This app provides valuable resources for Local 5. These includes how to join, scheduled events, meetings, location specifics, staff contact info, CBAs wage rates, local contractors, training info and forms, UA Local 5 history and background information.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | CPF TechTools | DC Plumbers 5 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (22 ratings) — better | — |
| Positive reviews | 54.5% of reviews | — |
| Number of ratings | 22 — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Charlotte Pipe and Foundry Company | Plumbers Local 5 |
In-app purchases
CPF TechTools
No in-app purchases
DC Plumbers 5
No in-app purchases
Questions
Is CPF TechTools free?
Is DC Plumbers 5 free?
Do CPF TechTools or DC Plumbers 5 have ads?
Which is updated more often, CPF TechTools or DC Plumbers 5?
Other comparisons
