CPF TechTools vs AB&I Cast Iron Tools
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.
AB&I Cast Iron Tools
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AB&I app provides on-the-go cast iron tools, product catalog specifications, and calculators for the engineers and industry professionals of AB&I customers. The app also features an interactive way to raise product complaints online.
Screenshots
Verdict
The clearest difference is update cadence: CPF TechTools at every 2 months against AB&I Cast Iron Tools's every 12 months. AB&I Cast Iron Tools's advantage is iOS requirement (12.0 vs 14.0). On price, ads, 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.
CPF TechTools ships an update every 2 months, AB&I Cast Iron Tools every 12 months. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.
| Parameter | CPF TechTools | AB&I Cast Iron Tools |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (23 ratings) — better | — |
| Positive reviews | 54.5% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 2 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Charlotte Pipe and Foundry Company | McWane, LLC |
In-app purchases
CPF TechTools
No in-app purchases
AB&I Cast Iron Tools
No in-app purchases







