# PJFFfree vs Pipefitter

The clearest difference is review sentiment: PJFFfree at 100% against Pipefitter's 45%. PJFFfree also leads on price (Free vs $6.99) and rating (5.0 vs 2.7). Pipefitter's advantage is ads (none vs shown) and chart position (#196 vs unranked). On in-app purchases and device support there is nothing between them.

PJFFfree is free to download; Pipefitter costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PJFFfree holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 100% of PJFFfree's written reviews are positive against 45% of Pipefitter's.

PJFFfree ships an update every 5 weeks, Pipefitter every 3 months. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PJFFfree | Pipefitter |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pjfffree/id629958775/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/pipefitter/id1043963852/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **100.0% of reviews** | 45.5% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | **Ad-supported** | Paid |
| Best chart rank | — | **#196** |
| Size | 7 MB | 38 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [sigeyosi kanenishi](https://appshunter.io/developer/629958778) | [Tomasz Szymanski](https://appshunter.io/developer/1043963851) |

## 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


### Pipefitter

[App page](https://appshunter.io/ios/app/pipefitter/id1043963852)

**Currently charting:** #196 Top Paid · Productivity (US App Store)

This tool simplifies complex pipefitting calculations for odd angles, offsets, and standard fittings. It provides clear visual guides and measurements for creating and assembling pipes, speeding up the workflow for professionals.

**Highlights:** Calculate odd angles and offsets, Measure face-to-face and center-to-center, Select standard pipe sizes, Generate clear visual guides, Supports ANSI and DIN elbows

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PJFFfree free?

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

### Is Pipefitter free?

Pipefitter costs $6.99, with no in-app purchases.

### Which has better reviews, PJFFfree or Pipefitter?

PJFFfree is rated higher. PJFFfree averages 5.0 out of 5 from 1 ratings, while Pipefitter averages 2.7 from 3 ratings.

### Do PJFFfree or Pipefitter have ads?

PJFFfree shows ads; Pipefitter does not.

### Which is updated more often, PJFFfree or Pipefitter?

PJFFfree ships an update every 5 weeks, and Pipefitter every 3 months. Most recently, PJFFfree was updated on September 22, 2026 and Pipefitter on September 24, 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.*