CPF TechTools vs Zurn
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.
Zurn
Access detailed product information, specifications, and helpful resources with this scanning application. It provides quick access to data for various products.
- Product information access
- View specifications
- How-to resources
- Scan product data
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Download Zurn's mobile app for easy access to product information, specifications, how-to resources, and more!
Screenshots
Verdict
The clearest difference is rating: CPF TechTools at 4.5 against Zurn's 3.0. CPF TechTools also leads on update cadence (every 2 months vs every 28 months) and ratings volume (22 vs 2). On price, ads, in-app purchases and monetization model 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.
CPF TechTools holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: CPF TechTools has 22 ratings behind it against 2, so its average is the more settled of the two.
CPF TechTools ships an update every 2 months, Zurn every 28 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.
| Parameter | CPF TechTools | Zurn |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (22 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 54.5% of reviews | — |
| Number of ratings | 22 — better | 2 |
| Update frequency | Every 2 months — better | Every 28 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Charlotte Pipe and Foundry Company | Zurn Holdings, Inc. |
Customer experience
CPF TechTools
Zurn
In-app purchases
CPF TechTools
No in-app purchases
Zurn
No in-app purchases
