# F Numbers vs steelyard

The clearest difference is in-app purchases: F Numbers at none against steelyard's 1. F Numbers also leads on rating (5.0 vs 4.7) and iOS requirement (13.0 vs 16.6). steelyard's advantage is update cadence (every 2 months vs every 13 months) and ratings volume (297 vs 3). On price, ads and device support there is nothing between them.

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

F Numbers holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: steelyard has 297 ratings behind it against 3, so its average is the more settled of the two.

F Numbers ships an update every 13 months, steelyard every 2 months. The most recent releases landed on September 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | F Numbers | steelyard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/f-numbers/id929309069/reviews)** | [4.7 (297 ratings)](https://appshunter.io/ios/app/steelyard/id1291109620/reviews) |
| Number of ratings | 3 | **297** |
| Positive reviews | — | 55.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 7 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ASMEIX CORPORATION](https://appshunter.io/developer/911716652) | [Mohamed Saad](https://appshunter.io/developer/1291109619) |

## What reviewers say

### F Numbers

[App page](https://appshunter.io/ios/app/f-numbers/id929309069)

Quickly find filler metal groupings for welding procedures and performance qualifications. Access classifications with descriptions of intended use, based on ASME and AWS standards.

**Highlights:** Filler metal grouping lookup, Welding procedure qualification, Performance qualification data, Classification descriptions, ASME Section IX data, AWS standards data

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is F Numbers free?

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

### Is steelyard free?

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

### Which has better reviews, F Numbers or steelyard?

F Numbers is rated higher. F Numbers averages 5.0 out of 5 from 3 ratings, while steelyard averages 4.7 from 297 ratings.

### Do F Numbers or steelyard have ads?

Neither F Numbers nor steelyard shows ads.

### Which is updated more often, F Numbers or steelyard?

F Numbers ships an update every 13 months, and steelyard every 2 months. Most recently, F Numbers was updated on September 15, 2026 and steelyard on October 17, 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.*