# Thread Calculator vs 修车帝站长端

The clearest difference is ads: 修车帝站长端 at none against Thread Calculator's shown. 修车帝站长端 also leads on update cadence (every 6 weeks vs every 18 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

Thread Calculator ships an update every 18 months, 修车帝站长端 every 6 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Thread Calculator | 修车帝站长端 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 25 MB | 105 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) | [北京众驰智通科技有限公司](https://appshunter.io/developer/1842251012) |

## What reviewers say

### Thread Calculator

[App page](https://appshunter.io/ios/app/thread-calculator/id1559560290)

This app provides a quick and easy way to calculate thread dimensions for various units, including tap hole sizes and bolt specifications. It helps metalworkers find precise measurements for internal and external threads without consulting tables.

**Highlights:** Thread cutting calculator for multiple units, Cold forming calculator, Thread repair calculator, Tap hole and bolt diameter calculation, Saves time compared to tables

**Features:** macOS Compatibility

**In-app purchases:** none


### 修车帝站长端

[App page](https://appshunter.io/ios/app/id6755665220)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thread Calculator free?

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

### Is 修车帝站长端 free?

修车帝站长端 is free to download, with no in-app purchases.

### Do Thread Calculator or 修车帝站长端 have ads?

Thread Calculator shows ads; 修车帝站长端 does not.

### Which is updated more often, Thread Calculator or 修车帝站长端?

Thread Calculator ships an update every 18 months, and 修车帝站长端 every 6 weeks. Most recently, Thread Calculator was updated on November 3, 2026 and 修车帝站长端 on November 5, 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.*