# steelyard vs Thread Calculator

The clearest difference is in-app purchases: Thread Calculator at none against steelyard's 1. steelyard's advantage is ads (none vs shown) and update cadence (every 2 months vs every 18 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. steelyard sells 1 one-off in-app purchase. Thread Calculator asks for nothing beyond the download.

steelyard holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: steelyard has 297 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 56% of steelyard's written reviews are positive against 33% of Thread Calculator's.

steelyard ships an update every 2 months, Thread Calculator every 18 months. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | steelyard | Thread Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (297 ratings)](https://appshunter.io/ios/app/steelyard/id1291109620/reviews)** | [4.3 (13 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews) |
| Number of ratings | **297** | 13 |
| Positive reviews | **55.6% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 18 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 7 MB | 25 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Saad](https://appshunter.io/developer/1291109619) | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) |

## What reviewers say

### steelyard

[App page](https://appshunter.io/ios/app/steelyard/id1291109620)

This app quickly calculates the weight of steel sections from various international standards. It supports both metric and imperial units and offers offline functionality for convenience. Save your settings and calculations for easy access.

**Highlights:** Steel section weight calculation, Supports EU, USA, Japanese, KOREA standards, Metric and Imperial units, Offline functionality, Save calculations and settings, Advanced search system

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Blocker | $9.99 | one-time |


### 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 steelyard free?

steelyard is free to download, with in-app purchases available.

### Is Thread Calculator free?

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

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

steelyard is rated higher. steelyard averages 4.7 out of 5 from 297 ratings, while Thread Calculator averages 4.3 from 13 ratings.

### Do steelyard or Thread Calculator have ads?

Thread Calculator shows ads; steelyard does not.

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

steelyard ships an update every 2 months, and Thread Calculator every 18 months. Most recently, steelyard was updated on October 13, 2026 and Thread Calculator on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*