# StrucMaster vs SSI Steel Design

StrucMaster and SSI Steel Design both sit at 3.0 stars, but that hides the real split: 50% of SSI Steel Design's written reviews are positive against 0% of StrucMaster's. SSI Steel Design also leads on monetization model (free vs free with in-app purchases) and update cadence (every 3 months vs every 14 months). StrucMaster's advantage is device support (3 vs 1) and ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. StrucMaster sells 1 one-off in-app purchase and SSI Steel Design sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.0 for StrucMaster against 3.0 for SSI Steel Design. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews are what separate them: 0% of StrucMaster's written reviews are positive against 50% of SSI Steel Design's.

StrucMaster ships an update every 14 months, SSI Steel Design every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | StrucMaster | SSI Steel Design |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/strucmaster/id1095033470/reviews) | [3.0 (1 ratings)](https://appshunter.io/ios/app/ssi-steel-design/id1474838160/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 101 MB | 23 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [颖达 陈](https://appshunter.io/developer/1058507663) | [Sahaviriya Steel Industries Public Company Limited](https://appshunter.io/developer/1474838159) |

## What reviewers say

### StrucMaster

[App page](https://appshunter.io/ios/app/strucmaster/id1095033470)

This app allows users to define and analyze structural mechanics problems. It offers powerful functions for internal force diagrams, dynamics, influence lines, and stability analysis, with detailed solving steps provided by artificial intelligence. Users can build complex structures with non-integer element lengths.

**Highlights:** Define custom structures, Internal force diagram analysis, Dynamics and stability analysis, Influence line calculations, AI-powered detailed solving steps, MultiSelect command for complex structures, Non-integer element length support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Functions Forever | $3.99 | one-time |


### SSI Steel Design

[App page](https://appshunter.io/ios/app/ssi-steel-design/id1474838160)

Easily determine the capacity of structural steel beams and columns. Get detailed calculation sheets to verify your work, designed according to AISC 360-16 standards. Features intuitive touch-based interaction and built-in material databases.

**Highlights:** Determine steel beam and column capacity, Generate detailed calculation sheets, Intuitive touch-based design input, Supports AISC 360-16 standards, Built-in material databases, Saves calculation sheets as JPG

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Report Sheet | $12.99 | one-time |


## Frequently asked questions

### Is StrucMaster free?

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

### Is SSI Steel Design free?

SSI Steel Design is free to download, with in-app purchases available.

### Which has better reviews, StrucMaster or SSI Steel Design?

StrucMaster and SSI Steel Design are both rated 3.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do StrucMaster or SSI Steel Design have ads?

Neither StrucMaster nor SSI Steel Design shows ads.

### Which is updated more often, StrucMaster or SSI Steel Design?

StrucMaster ships an update every 14 months, and SSI Steel Design every 3 months. Most recently, StrucMaster was updated on November 2, 2026 and SSI Steel Design on November 3, 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.*