# Pipe Tools vs P Numbers

The clearest difference is rating: P Numbers at 4.8 against Pipe Tools's 4.2. P Numbers also leads on in-app purchases (none vs 1) and review sentiment (100% vs 79%). Pipe Tools's advantage is ratings volume (20 vs 5). On price, update cadence, ads and monetization model there is nothing between them.

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

P Numbers holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 20 and 5 respectively. Written reviews point the same way: 79% of Pipe Tools's written reviews are positive against 100% of P Numbers's.

Pipe Tools ships an update every 36 months, P Numbers every 39 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Pipe Tools | P Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (20 ratings)](https://appshunter.io/ios/app/pipe-tools/id372454624/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/p-numbers/id911716649/reviews)** |
| Number of ratings | **20** | 5 |
| Positive reviews | 78.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 36 months** | Every 39 months |
| Monetization | Free | Free |
| Size | 43 MB | 13 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bri-Steel Manufacturing](https://appshunter.io/developer/968778552) | [ASMEIX CORPORATION](https://appshunter.io/developer/911716652) |

## 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 |


### P Numbers

[App page](https://appshunter.io/ios/app/p-numbers/id911716649)

Quickly access weldability grouping numbers for welding procedures and performance qualifications. This app provides data from authoritative sources like ASME Section IX and AWS B2.1.

**Highlights:** Base metal weldability grouping lookup, Welding procedure qualification data, Performance qualification data, ASME Section IX Table QW/QB-422 data, AWS B2.1 Table C1 and C2 data, ISO/TR 20173 data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Tools free?

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

### Is P Numbers free?

P Numbers is free to download, with no in-app purchases.

### Which has better reviews, Pipe Tools or P Numbers?

P Numbers is rated higher. Pipe Tools averages 4.2 out of 5 from 20 ratings, while P Numbers averages 4.8 from 5 ratings.

### Do Pipe Tools or P Numbers have ads?

Neither Pipe Tools nor P Numbers shows ads.

### Which is updated more often, Pipe Tools or P Numbers?

Pipe Tools ships an update every 36 months, and P Numbers every 39 months. Most recently, Pipe Tools was updated on October 8, 2026 and P Numbers on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*