# Thread Calculator vs Builder Calculator

The clearest difference is price: Thread Calculator at Free against Builder Calculator's $4.99. Builder Calculator's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Thread Calculator is free to download; Builder Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Thread Calculator | Builder Calculator |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.3 (13 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | — |
| Monetization | Ad-supported | — |
| Size | 25 MB | 34 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) | [Gorasiya Vishal Nanjibhai](https://appshunter.io/developer/1287086933) |

## 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


### Builder Calculator

[App page](https://appshunter.io/ios/app/builder-calculator-concrete/id6474994942)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thread Calculator free?

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

### Is Builder Calculator free?

Builder Calculator costs $4.99, with no in-app purchases.

### Do Thread Calculator or Builder Calculator have ads?

Thread Calculator shows ads; Builder Calculator does not.

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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.*