# Pipe Tools vs Polycorp Material Calculator

The clearest difference is in-app purchases: Polycorp Material Calculator at none against Pipe Tools's 1. Pipe Tools's advantage is iOS requirement (8.0 vs 12.3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Pipe Tools sells 1 one-off in-app purchase. Polycorp Material Calculator asks for nothing beyond the download.

Pipe Tools ships an update every 12 months, Polycorp Material Calculator every 10 months. The most recent releases landed on June 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Pipe Tools | Polycorp Material Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (19 ratings)](https://appshunter.io/ios/app/pipe-tools/id372454624/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 57 MB | 22 MB |
| Requires iOS | **8.0** | 12.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Bri-Steel Manufacturing](https://appshunter.io/developer/968778552) | [Avanaire Design, LLC](https://appshunter.io/developer/409628132) |

## What reviewers say

### Pipe Tools

[App page](https://appshunter.io/ios/app/pipe-tools/id372454624)

This app provides a comprehensive steel pipe handbook with charts for wall thickness, mass, and pressure calculations. It facilitates quick conversions and cost comparisons, allowing users to prepare and send customized PDF quotes for pipe sales.

**Highlights:** Steel pipe charts (wall thickness, mass), Unit conversions (feet, meters, pounds, kg), Pipe cost comparison, Customizable PDF quote generation, Mechanical and hardness conversions, Pressure and wall thickness calculations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Tools | $0.99 | one-time |


### Polycorp Material Calculator

[App page](https://appshunter.io/ios/app/polycorp-material-calculator/id1027626460)

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Tools free?

Pipe Tools is free to download, with in-app purchases available.

### Is Polycorp Material Calculator free?

Polycorp Material Calculator is free to download, with no in-app purchases.

### Do Pipe Tools or Polycorp Material Calculator have ads?

Neither Pipe Tools nor Polycorp Material Calculator shows ads.

### Which is updated more often, Pipe Tools or Polycorp Material Calculator?

Pipe Tools ships an update every 12 months, and Polycorp Material Calculator every 10 months. Most recently, Pipe Tools was updated on June 10, 2026 and Polycorp Material Calculator on September 28, 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.*