CPF TechTools vs Plumbers & Pipefitters Local 9
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.
Plumbers & Pipefitters Local 9
This app provides members with information about the Plumbers and Pipefitters Local 9 union. Access details on union projects, view upcoming events, and check your benefits. Stay connected with important union updates through push notifications.
- Push notifications
- Event listings
- Benefits information
- Project details
- Union updates
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Welcome to Local 9 Plumbers and Pipefitters The Leadership and Members of Local 9 would like to welcome you to our mobile app, where you will find a great deal of information about us. As you peruse this app, you will discover that the Plumbers and Pipefitters of Local 9 work on projects of all shapes and sizes. Our expertise is evident at worksites ranging from nuclear and conventional generating stations, petroleum refineries and pharmaceutical industries to universities, hospitals and local schools. We can even be found working in small businesses, condos, apartments and single family homes. Use this mobile app to: > Recieve push notes > View events > View benefits > And more......
Screenshots
Verdict
The clearest difference is review sentiment: Plumbers & Pipefitters Local 9 at 100% against CPF TechTools's 55%. Plumbers & Pipefitters Local 9 also leads on rating (5.0 vs 4.3) and iOS requirement (11.0 vs 14.0). CPF TechTools's advantage is ads (none vs shown) and ratings volume (23 vs 1). On price, in-app purchases and device support there is nothing between them.
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.
Plumbers & Pipefitters Local 9 holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: CPF TechTools has 23 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 55% of CPF TechTools's written reviews are positive against 100% of Plumbers & Pipefitters Local 9's.
CPF TechTools ships an update every 2 months, Plumbers & Pipefitters Local 9 every 6 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | CPF TechTools | Plumbers & Pipefitters Local 9 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (23 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 54.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 23 — better | 1 |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Charlotte Pipe and Foundry Company | Plumbers and Pipefitters Union, Local 9 |
Customer experience
CPF TechTools
Plumbers & Pipefitters Local 9
In-app purchases
CPF TechTools
No in-app purchases
Plumbers & Pipefitters Local 9
No in-app purchases
Questions
Is CPF TechTools free?
Is Plumbers & Pipefitters Local 9 free?
Which has better reviews, CPF TechTools or Plumbers & Pipefitters Local 9?
Do CPF TechTools or Plumbers & Pipefitters Local 9 have ads?
Which is updated more often, CPF TechTools or Plumbers & Pipefitters Local 9?
Other comparisons
