# PJFFfree vs Piping Dimensions App

The clearest difference is price: PJFFfree at Free against Piping Dimensions App's $9.99. PJFFfree also leads on iOS requirement (15.0 vs 17.0). Piping Dimensions App's advantage is ads (none vs shown) and chart position (#199 vs unranked). On in-app purchases and device support there is nothing between them.

PJFFfree is free to download; Piping Dimensions App costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PJFFfree | Piping Dimensions App |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pjfffree/id629958775/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Ad-supported | — |
| Best chart rank | — | **#199** |
| Size | 7 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [sigeyosi kanenishi](https://appshunter.io/developer/629958778) | [Jitendra Surve](https://appshunter.io/developer/1693898824) |

## 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


### Piping Dimensions App

[App page](https://appshunter.io/ios/app/piping-dimensions-app/id6504369238)

**Currently charting:** #199 Top Paid · Productivity (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is PJFFfree free?

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

### Is Piping Dimensions App free?

Piping Dimensions App costs $9.99, with no in-app purchases.

### Do PJFFfree or Piping Dimensions App have ads?

PJFFfree shows ads; Piping Dimensions App 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.*