# Thread Calculator vs Tolerance Fit Calculator

The clearest difference is price: Thread Calculator at Free against Tolerance Fit Calculator's $1.99. Tolerance Fit Calculator's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Thread Calculator is free to download; Tolerance Fit Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Thread Calculator | Tolerance Fit Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| 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 | — |
| Monetization | Ad-supported | — |
| Size | 25 MB | 4 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) | [小燕 陈](https://appshunter.io/developer/1462872555) |

## 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


### Tolerance Fit Calculator

[App page](https://appshunter.io/ios/app/tolerance-fit-calculator/id6773591777)

**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 Tolerance Fit Calculator free?

Tolerance Fit Calculator costs $1.99, with no in-app purchases.

### Do Thread Calculator or Tolerance Fit Calculator have ads?

Thread Calculator shows ads; Tolerance Fit 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.*