# PJFFfree vs Pipe Fitting

The clearest difference is review sentiment: PJFFfree at 100% against Pipe Fitting's 33%. PJFFfree also leads on in-app purchases (none vs 2) and rating (5.0 vs 4.6). Pipe Fitting's advantage is update cadence (every 5 days vs every 5 weeks) and ratings volume (116 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pipe Fitting sells 2 in-app purchases, starting at $4.99 per 7 days. PJFFfree asks for nothing beyond the download.

PJFFfree holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Pipe Fitting has 116 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of PJFFfree's written reviews are positive against 33% of Pipe Fitting's.

PJFFfree ships an update every 5 weeks, Pipe Fitting every 5 days. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PJFFfree | Pipe Fitting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pjfffree/id629958775/reviews)** | [4.6 (116 ratings)](https://appshunter.io/ios/app/pipe-fitting/id6743724584/reviews) |
| Number of ratings | 1 | **116** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 7 MB | 42 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [sigeyosi kanenishi](https://appshunter.io/developer/629958778) | [xNeat.com](https://appshunter.io/developer/327498295) |

## 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 Fitting

[App page](https://appshunter.io/ios/app/pipe-fitting/id6743724584)

This tool provides precise pipe layout calculations for professionals in welding and fabrication. It offers various offset and fitting calculators, along with data tools for custom angles and triangle solutions. Easily switch between imperial and metric units for field or shop use.

**Highlights:** Offset calculators (basic, rolling, parallel), Back-to-back fitting solutions, Elbow miter cut and triangle solver, Imperial and metric unit switching, Designed for iPhone and iPad

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Fitting | $4.99 | per 7 days |
| Pipe Fitting | $39.99 | per year |


## Frequently asked questions

### Is PJFFfree free?

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

### Is Pipe Fitting free?

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

### Which has better reviews, PJFFfree or Pipe Fitting?

PJFFfree is rated higher. PJFFfree averages 5.0 out of 5 from 1 ratings, while Pipe Fitting averages 4.6 from 116 ratings.

### Do PJFFfree or Pipe Fitting have ads?

Both PJFFfree and Pipe Fitting show ads.

### Which is updated more often, PJFFfree or Pipe Fitting?

PJFFfree ships an update every 5 weeks, and Pipe Fitting every 5 days. Most recently, PJFFfree was updated on September 22, 2026 and Pipe Fitting on September 19, 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.*