# ABRAMS STEEL GUIDE® vs Roughness

The clearest difference is update cadence: ABRAMS STEEL GUIDE® at every 4 months against Roughness's every 14 months. On price, ads, 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.

ABRAMS STEEL GUIDE® ships an update every 4 months, Roughness every 14 months. The most recent releases landed on September 16, 2026 and March 5, 2026 respectively.

## The numbers

| Metric | ABRAMS STEEL GUIDE® | Roughness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/abrams-steel-guide/id411873519/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | Free | — |
| Size | 60 MB | 26 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abrams Industries GmbH & Co. KG](https://appshunter.io/developer/411873522) | [Carl Zeiss AG](https://appshunter.io/developer/488066215) |

## What reviewers say

### ABRAMS STEEL GUIDE®

[App page](https://appshunter.io/ios/app/abrams-steel-guide/id411873519)

This app helps users select the right steel grades for industrial applications. It provides technical details, search functions, and a glossary for designers, engineers, and students. The content is accessible offline and continuously updated.

**Highlights:** Steel grade overview, Technical data and specifications, Alternate steel grade search, Keyword and multi-dimensional search, Product search, Glossary of terms, Offline database access

**Features:** macOS Compatibility

**In-app purchases:** none


### Roughness

[App page](https://appshunter.io/ios/app/roughness/id1356085703)

**In-app purchases:** none


## Frequently asked questions

### Is ABRAMS STEEL GUIDE® free?

ABRAMS STEEL GUIDE® is free to download, with no in-app purchases.

### Is Roughness free?

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

### Do ABRAMS STEEL GUIDE® or Roughness have ads?

Neither ABRAMS STEEL GUIDE® nor Roughness shows ads.

### Which is updated more often, ABRAMS STEEL GUIDE® or Roughness?

ABRAMS STEEL GUIDE® ships an update every 4 months, and Roughness every 14 months. Most recently, ABRAMS STEEL GUIDE® was updated on September 16, 2026 and Roughness on March 5, 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.*