# Tube Turns vs Pipe Fitting Selection

The clearest difference is price: Tube Turns at Free against Pipe Fitting Selection's $4.99. Pipe Fitting Selection's advantage is update cadence (every 2 months vs every 4 months) and chart position (#64 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Tube Turns is free to download; Pipe Fitting Selection costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tube Turns ships an update every 4 months, Pipe Fitting Selection every 2 months. The most recent releases landed on October 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Tube Turns | Pipe Fitting Selection |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/tube-turns/id1523547174/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Best chart rank | — | **#64** |
| Size | 57 MB | 34 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aaron McCarthy](https://appshunter.io/developer/1523547176) | [Allen Moore](https://appshunter.io/developer/1863094949) |

## What reviewers say

### Tube Turns

[App page](https://appshunter.io/ios/app/tube-turns/id1523547174)

A mobile reference guide for pipe fitting, welding, and industrial piping. It provides instant access to essential formulas, conversion tables, technical specifications, and industry standards for professionals in the oil & gas and petrochemical sectors.

**Highlights:** Technical reference library, Formulas and conversion tools, Welding specifications, Material properties database, Searchable glossary, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Pipe Fitting Selection

[App page](https://appshunter.io/ios/app/pipe-fitting-selection/id6756833783)

**Currently charting:** #64 Top Paid · Reference (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tube Turns free?

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

### Is Pipe Fitting Selection free?

Pipe Fitting Selection costs $4.99, with no in-app purchases.

### Do Tube Turns or Pipe Fitting Selection have ads?

Neither Tube Turns nor Pipe Fitting Selection shows ads.

### Which is updated more often, Tube Turns or Pipe Fitting Selection?

Tube Turns ships an update every 4 months, and Pipe Fitting Selection every 2 months. Most recently, Tube Turns was updated on October 11, 2026 and Pipe Fitting Selection on October 30, 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.*