SSI Steel Design is a structural engineering utility for calculating built-up steel beam and column capacity on iOS.

The App DNA

What makes this app unique?

The tool removes the friction of manual structural capacity verification by automating calculations against AISC 360-16 standards, which serves as a technical bridge for the developer's manufacturing business.

For Civil engineers and structural designers requiring quick capacity checks for built-up steel sections.

What does it look like?

Key features

Structural Capacity Solverstandard

Calculates built-up steel beam and column capacity using AISC 360-16 standards.

Calculation Sheet Generationedge

Exports calculation details as .jpg files to the local photo gallery.

How much does it cost?

freeFree

The app is provided as a free utility, serving as a brand-extension tool for the developer's steel manufacturing business.

Velocity

Maintenance developmentUX improvementsperformanceShow more...

SSI Steel Design maintains a maintenance-level development cadence, with the latest release arriving 14 days ago. The development focus is currently limited to minor stability improvements and bug fixes, such as the recent correction to the full report feature. There is no evidence of new feature development or live operations, indicating a stable, low-intensity update cycle.

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Who built it?

Sahaviriya Steel Industries Public Company

1 app tracked · Utilities

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User Sentiment

What do users think recently?

Recent user voice shows a mixed sentiment.

How are ratings & reviews evolving?

App Store
3.00 · 1

What users say, by theme

What Frustrates Users
  • Lack of imperial measurement support forces users to manually convert metric data during daily usage
What Users Want 1 request inside

1 of 1 recent reviews analyzed · limited sample

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Competition

Competitive landscape for SSI Steel Design

How's the Utilities market?

SSI Steel Design occupies a niche utility space for structural engineers, maintaining a 3-star rating on the iOS platform. The lack of updates beyond minor bug fixes suggests a maintenance-mode posture that prioritizes existing technical standards over market expansion.

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The rivals identified

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The Analyst's Read

Key takeaways for SSI Steel Design

Where is it heading?

The structural engineering utility market is consolidating around tools that offer flexible unit support and multi-standard compliance. SSI Steel Design remains stable as a brand-extension tool, but its lack of unit flexibility leaves it exposed to more adaptable competitors, which will eventually erode its utility for international engineers.

  • The maintenance-only release cadence ensures stability for existing users but limits the app's ability to capture new segments through feature expansion.
  • The metric-only unit restriction creates a recurring friction point for engineers, which limits the app's growth potential in non-metric markets.

The SWOT

Core Strengths
  • AISC 360-16 solver provides a defensible technical standard for structural capacity checks
Critical Frictions 1 weakness inside
Growth Levers
  • Imperial unit toggle would unlock adoption in regions using US customary units
Market Threats 1 threat identified

Next best moves

1 Invest

Ship imperial unit toggle because it is the top-requested missing feature → increase addressable market size

The counter-intuitive read

The app's maintenance-mode status is a strategic choice…

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Since the last report: The app remains in a static maintenance phase, with no functional updates or shifts in market positioning observed since the previous report.

Bottom line

SSI Steel Design serves as a functional brand-extension tool, but the metric-only constraint limits its reach. Adding imperial unit support would unlock the tool for a wider engineering audience, transforming it from a regional utility into a global design resource.

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FAQ

Is SSI Steel Design suitable for US-based engineers?
The app currently supports metric units only, which may require manual conversion for engineers who primarily use imperial measurements.
Does SSI Steel Design support imperial units?
No, the app is currently restricted to metric units, a limitation frequently noted by users who request an imperial measurement toggle.
What is the primary purpose of SSI Steel Design?
It is a free utility designed to calculate the capacity of built-up steel beams and columns in accordance with AISC 360-16 standards.

Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by SSI Steel Design, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “SSI Steel Design Intelligence Report.” Updated Aug 30, 2026. https://marlvel.ai/apps/ssi-steel-design

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