# PJFFfree vs Pipe Welding Calculators

The clearest difference is rating: PJFFfree at 5.0 against Pipe Welding Calculators's 3.3. PJFFfree also leads on in-app purchases (none vs 1). Pipe Welding Calculators's advantage is ads (none vs shown) and ratings volume (3 vs 1). On price and device support there is nothing between them.

Both are free to download. Pipe Welding Calculators sells 1 one-off in-app purchase. PJFFfree asks for nothing beyond the download.

PJFFfree holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

## The numbers

| Metric | PJFFfree | Pipe Welding Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pjfffree/id629958775/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/pipe-welding-calculators/id6742102799/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 7 MB | 44 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sigeyosi kanenishi](https://appshunter.io/developer/629958778) | [Shital Gorasiya](https://appshunter.io/developer/1737199158) |

## What reviewers say

### PJFFfree

[App page](https://appshunter.io/ios/app/pjfffree/id629958775)

This app serves as a manual for piping parts, focusing on Japanese specifications. It lists commonly used items based on manufacturer data and public dimension tables, with all measurements in millimeters.

**Highlights:** Piping parts manual, Japanese specifications, Commonly used parts listing, Manufacturer data integration, Millimeter measurements, JIS standards compliance

**Features:** macOS Compatibility

**In-app purchases:** none


### Pipe Welding Calculators

[App page](https://appshunter.io/ios/app/pipe-welding-calculators/id6742102799)

This application assists engineers, fabricators, and welders with precise calculations for pipe transitions and bends. It offers a user-friendly interface for quick, accurate results, streamlining workflow and enhancing efficiency in pipe welding projects.

**Highlights:** Accurate transition and bend calculations, User-friendly interface, Time-saving and efficient workflow, Automated precision for pipe fabrication, Instant results with minimal effort

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $7.99 | one-time |


## Frequently asked questions

### Is PJFFfree free?

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

### Is Pipe Welding Calculators free?

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

### Which has better reviews, PJFFfree or Pipe Welding Calculators?

PJFFfree is rated higher. PJFFfree averages 5.0 out of 5 from 1 ratings, while Pipe Welding Calculators averages 3.3 from 3 ratings.

### Do PJFFfree or Pipe Welding Calculators have ads?

PJFFfree shows ads; Pipe Welding Calculators does not.

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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.*