# Pipe Tools vs ThreadKing

The clearest difference is rating: ThreadKing at 4.7 against Pipe Tools's 4.1. ThreadKing also leads on in-app purchases (none vs 1) and update cadence (every 6 days vs every 12 months). On price, ratings volume, ads and monetization model there is nothing between them.

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

ThreadKing holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 19 and 12 respectively. Written reviews point the same way: 79% of Pipe Tools's written reviews are positive against 100% of ThreadKing's.

Pipe Tools ships an update every 12 months, ThreadKing every 6 days. The most recent releases landed on June 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Pipe Tools | ThreadKing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (19 ratings)](https://appshunter.io/ios/app/pipe-tools/id372454624/reviews) | **[4.7 (12 ratings)](https://appshunter.io/ios/app/threadking/id1073753793/reviews)** |
| Number of ratings | **19** | 12 |
| Positive reviews | 78.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 57 MB | 7 MB |
| Requires iOS | **8.0** | 8.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bri-Steel Manufacturing](https://appshunter.io/developer/968778552) | [Motionics LLC](https://appshunter.io/developer/424498959) |

## What reviewers say

### Pipe Tools

[App page](https://appshunter.io/ios/app/pipe-tools/id372454624)

This app provides a comprehensive steel pipe handbook with charts for wall thickness, mass, and pressure calculations. It facilitates quick conversions and cost comparisons, allowing users to prepare and send customized PDF quotes for pipe sales.

**Highlights:** Steel pipe charts (wall thickness, mass), Unit conversions (feet, meters, pounds, kg), Pipe cost comparison, Customizable PDF quote generation, Mechanical and hardness conversions, Pressure and wall thickness calculations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Tools | $0.99 | one-time |


### ThreadKing

[App page](https://appshunter.io/ios/app/threadking/id1073753793)

This app serves as a comprehensive reference and calculator for various thread types and dimensions. It provides detailed information on Metric and UN threads, including tap sizes and thread calculations for cutting and forming taps. Users can also find drill size charts and calculate RPM and feed rates for different materials.

**Highlights:** Metric and UN thread reference, Drill/Tap size charts, Pipe thread information, Cutting tap calculator, Forming tap calculator, RPM and feed rate calculator, Thread dimension details

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

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Tools free?

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

### Is ThreadKing free?

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

### Which has better reviews, Pipe Tools or ThreadKing?

ThreadKing is rated higher. Pipe Tools averages 4.1 out of 5 from 19 ratings, while ThreadKing averages 4.7 from 12 ratings.

### Do Pipe Tools or ThreadKing have ads?

Neither Pipe Tools nor ThreadKing shows ads.

### Which is updated more often, Pipe Tools or ThreadKing?

Pipe Tools ships an update every 12 months, and ThreadKing every 6 days. Most recently, Pipe Tools was updated on June 10, 2026 and ThreadKing on September 22, 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.*