# OriginCheck vs Thread Calculator

The clearest difference is rating: Thread Calculator at 4.4 against OriginCheck's 3.0. Thread Calculator also leads on ratings volume (14 vs 1). OriginCheck's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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 holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Thread Calculator has 14 ratings behind it against 1, so its average is the more settled of the two.

OriginCheck ships an update every 10 months, Thread Calculator every 18 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OriginCheck | Thread Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/origincheck/id1224602380/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews)** |
| Number of ratings | 1 | **14** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 18 months |
| Monetization | **Free** | Ad-supported |
| Size | 11 MB | 25 MB |
| Requires iOS | **13.6** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Schaeffler](https://appshunter.io/developer/426470435) | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) |

## What reviewers say

### OriginCheck

[App page](https://appshunter.io/ios/app/origincheck/id1224602380)

Verify the authenticity of Schaeffler products and dealer certificates by scanning unique 2D codes. Receive immediate feedback on originality and get guided instructions for suspected counterfeiting, including direct contact with the brand protection team.

**Highlights:** Verify 2D product codes, Check dealer certificates, Report suspected counterfeiting, Find authorized sales partners, View scanned product details

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is OriginCheck free?

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

### Is Thread Calculator free?

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

### Which has better reviews, OriginCheck or Thread Calculator?

Thread Calculator is rated higher. OriginCheck averages 3.0 out of 5 from 1 ratings, while Thread Calculator averages 4.4 from 14 ratings.

### Do OriginCheck or Thread Calculator have ads?

Thread Calculator shows ads; OriginCheck does not.

### Which is updated more often, OriginCheck or Thread Calculator?

OriginCheck ships an update every 10 months, and Thread Calculator every 18 months. Most recently, OriginCheck was updated on October 7, 2026 and Thread Calculator on October 24, 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.*