# MechTab vs ThreadKing

The clearest difference is rating: ThreadKing at 4.7 against MechTab's 4.1. ThreadKing also leads on update cadence (every 6 days vs every 9 months) and review sentiment (100% vs 89%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ThreadKing holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 16 and 12 respectively. Written reviews point the same way: 89% of MechTab's written reviews are positive against 100% of ThreadKing's.

MechTab ships an update every 9 months, ThreadKing every 6 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MechTab | ThreadKing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (16 ratings)](https://appshunter.io/ios/app/mechtab/id553201101/reviews) | **[4.7 (12 ratings)](https://appshunter.io/ios/app/threadking/id1073753793/reviews)** |
| Number of ratings | **16** | 12 |
| Positive reviews | 88.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 9 MB | 7 MB |
| Requires iOS | 15.0 | **8.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Werder AG](https://appshunter.io/developer/553201104) | [Motionics LLC](https://appshunter.io/developer/424498959) |

## What reviewers say

### MechTab

[App page](https://appshunter.io/ios/app/mechtab/id553201101)

This app offers a comprehensive set of tools for mechanics, providing essential data on tolerances, threads, cutting speeds, wrench sizes, and roughness. It also includes calculators for material weight, triangle properties, and trowalisation.

**Highlights:** ISO-Tolerance data (holes and shafts), Thread specifications, Cutting data calculations, Wrench size conversions, Roughness parameters, Material weight calculator, Triangle property calculator

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

**In-app purchases:** none


### 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 MechTab free?

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

### Is ThreadKing free?

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

### Which has better reviews, MechTab or ThreadKing?

ThreadKing is rated higher. MechTab averages 4.1 out of 5 from 16 ratings, while ThreadKing averages 4.7 from 12 ratings.

### Do MechTab or ThreadKing have ads?

Neither MechTab nor ThreadKing shows ads.

### Which is updated more often, MechTab or ThreadKing?

MechTab ships an update every 9 months, and ThreadKing every 6 days. Most recently, MechTab was updated on October 8, 2026 and ThreadKing on October 9, 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.*