# Pipe Tools vs Ultimate NDT Pocketbook

The clearest difference is rating: Ultimate NDT Pocketbook at 5.0 against Pipe Tools's 4.2. Ultimate NDT Pocketbook also leads on update cadence (weekly vs every 36 months) and review sentiment (100% vs 79%). Pipe Tools's advantage is monetization model (free vs subscription) and ratings volume (20 vs 6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pipe Tools sells 1 one-off in-app purchase and Ultimate NDT Pocketbook sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Ultimate NDT Pocketbook holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 20 and 6 respectively. Written reviews point the same way: 79% of Pipe Tools's written reviews are positive against 100% of Ultimate NDT Pocketbook's.

Pipe Tools ships an update every 36 months, Ultimate NDT Pocketbook weekly. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pipe Tools | Ultimate NDT Pocketbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (20 ratings)](https://appshunter.io/ios/app/pipe-tools/id372454624/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/ultimate-ndt-pocketbook/id6759848851/reviews)** |
| Number of ratings | **20** | 6 |
| Positive reviews | 78.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Weekly** |
| Monetization | **Free** | Subscription |
| Size | 43 MB | 52 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bri-Steel Manufacturing](https://appshunter.io/developer/968778552) | [james rose](https://appshunter.io/developer/1881188690) |

## 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, Vision Pro support

**In-app purchases (1)**

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


### Ultimate NDT Pocketbook

[App page](https://appshunter.io/ios/app/ultimate-ndt-pocketbook/id6759848851)

This app provides nondestructive testing (NDT) technicians with a comprehensive toolkit for field inspections. It offers essential calculations, references, and guidance across various NDT methods, with core features accessible offline. A subscription is required for full access.

**Highlights:** Field calculators for exposure, barricade distance, and more, Inspection references for RT, UT, ET, and VT, Technician tools for quick calculations and code helpers, Offline functionality for core features, Multiple language support, Support for various NDT methods

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NDT Pocketbook Premium (Monthly) | $5.99 | per month |
| NDT Pocketbook Premium (Yearly) | $49.99 | per year |


## Frequently asked questions

### Is Pipe Tools free?

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

### Is Ultimate NDT Pocketbook free?

Ultimate NDT Pocketbook is free to download, with in-app purchases available.

### Which has better reviews, Pipe Tools or Ultimate NDT Pocketbook?

Ultimate NDT Pocketbook is rated higher. Pipe Tools averages 4.2 out of 5 from 20 ratings, while Ultimate NDT Pocketbook averages 5.0 from 6 ratings.

### Do Pipe Tools or Ultimate NDT Pocketbook have ads?

Neither Pipe Tools nor Ultimate NDT Pocketbook shows ads.

### Which is updated more often, Pipe Tools or Ultimate NDT Pocketbook?

Pipe Tools ships an update every 36 months, and Ultimate NDT Pocketbook weekly. Most recently, Pipe Tools was updated on October 23, 2026 and Ultimate NDT Pocketbook on October 7, 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.*