# Pipe Tools vs F Numbers

The clearest difference is rating: F Numbers at 5.0 against Pipe Tools's 4.2. F Numbers also leads on in-app purchases (none vs 1) and update cadence (every 13 months vs every 36 months). Pipe Tools's advantage is ratings volume (20 vs 3). On price, ads, monetization model and device support there is nothing between them.

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

F Numbers holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Pipe Tools has 20 ratings behind it against 3, so its average is the more settled of the two.

Pipe Tools ships an update every 36 months, F Numbers every 13 months. The most recent releases landed on October 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Pipe Tools | F Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (20 ratings)](https://appshunter.io/ios/app/pipe-tools/id372454624/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/f-numbers/id929309069/reviews)** |
| Number of ratings | **20** | 3 |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 13 months** |
| Monetization | Free | Free |
| Size | 43 MB | 15 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 |


### F Numbers

[App page](https://appshunter.io/ios/app/f-numbers/id929309069)

Quickly find filler metal groupings for welding procedures and performance qualifications. Access classifications with descriptions of intended use, based on ASME and AWS standards.

**Highlights:** Filler metal grouping lookup, Welding procedure qualification, Performance qualification data, Classification descriptions, ASME Section IX data, AWS standards 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 F Numbers free?

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

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

F Numbers is rated higher. Pipe Tools averages 4.2 out of 5 from 20 ratings, while F Numbers averages 5.0 from 3 ratings.

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

Neither Pipe Tools nor F Numbers shows ads.

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

Pipe Tools ships an update every 36 months, and F Numbers every 13 months. Most recently, Pipe Tools was updated on October 8, 2026 and F Numbers on September 15, 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.*