# SectionPro — Cross-Section analysis

> Cross-Section analysis (iPhone/iPad app by Nabil El Berria.)

- Source: https://appshunter.io/ios/app/sectionpro/id6775173500 (this page in markdown: same URL + `.md`)
- Developer: [Nabil El Berria](https://appshunter.io/developer/6775173502)
- Category: Productivity, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 92 MB
- Languages: American English
- Released: 2026-06-22
- Data updated: 2026-08-25
- User reviews in markdown: https://appshunter.io/ios/app/sectionpro/id6775173500/reviews.md

## What is SectionPro?

SectionPro is a comprehensive cross-section analysis software developed by bridge engineers for civil and structural engineering professionals.
It's capable of analyzing virtually any type of cross-section : reinforced concrete, prestressed concrete, structural steel, composites and more complex custom-material cross-sections. It combines a high-performance computation engine with an intuitive, modern interface.

GEOMETRY
- A fast mode for defining standard cross-sections used by structural engineers : rectangular, circular, elliptical, hexagonal, octagonal, beams, shear wall, etc. Can be solid or hollow, with automatic rebar layout, plus custom sections via import of XY coordinates or definition of successive primitives (segments, circular and elliptical arcs).
- An advanced mode, which can be used to build virtually any section component by component : multiple concrete and structural-steel domains, embedded standard profiles (IPE, HEB…), passive reinforcement, prestressing cables and thin steel plates. Can be used to model reinforced and prestressed concrete members, structural-steel profiles, composite steel-concrete columns or beams, multi-cell box girders or composite bridge piers.

MATERIALS
Concrete and steel constitutive laws can be generated automatically for the selected code with only a few input parameters.
Supported: Eurocode 2, ACI 318, BAEL 91, CSA A23.3 and CSA S6:19, AASHTO LRFD, SIA 262, IRC:SP:112 and IS 456, NBR 6118.
In the advanced mode each component has its own material law, which can be defined using typical models (parabolic-rectangle for concrete, elasto-plastic with hardening for steel, etc),
or through point by point or polynomial functions which lets you define any stress-strain law from experimental data.

ANALYSES
- Mechanical characteristics : area, centroid, moments of inertia, extreme fibers, torsion constant, shear areas.
- Stress and strain verification : internal equilibrium state, strain and stress distribution, internal forces and governing load case.
- Reinforcement design : minimum steel area to ensure mechanical resistance. One or more materials may be at exactly the failure strain in compression or tension.
- 3D interaction surface : N-My-Mz resistance boundary with built-in 3D viewer.
- Verification and design via interaction surface : distance to the resistance boundary, safety margin, and minimum reinforcement to ensure mechanical resistance.
- Interaction curves : 2D interaction curve, with one component fixed. Envelope mode to allow the analysis of multiple values of the fixed component.
- Stiffness curves : M-χ and N-ε, pushover and cracked stiffness.
- Second-order effects : methodology based on curvature evaluation, allows to compute the second order moment amplification, the critical load and the failure mode (mechanical or instability).
- Crack width and spacing : characteristic width wk and spacing per the Eurocode 2 methodology.
- Fire analysis : transient thermal field and thermo-mechanical computations such as resistance check, interaction surface, time to failure, etc., with temperature-degraded concrete and steel.

IMPORT AND EXPORT
Import geometries and bulk load cases from CAD and finite-element outputs. Export geometry, materials, loads and results to TXT, XLS and PDF formats.

WHY SECTIONPRO
Precision : exact integration of constitutive laws, analytical solutions on curved geometries. Performance : hundreds of thousands of load cases in under a second. Usability : automatic rebar layouts, import tools, interface in 11 languages, light and dark mode.

FREE TRIAL
SectionPro is free to evaluate: all analyses and design codes are accessible with limited geometries and analyses, no custom material laws, and a trial notice on exports. Premium removes all restrictions on mobile, tablet and desktop.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium - Monthly | $9.99 | per month |
| Premium - Annual | $99.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Permanent license | $249.00 | one-time |



## Version history (last 5 releases)

### 2.1.9 — 2026-08-17

This release introduces several major improvements:

• New elastic analysis of thin-walled sections (TSP): mechanical properties, shear center, normal stresses, shear flows under Vy, Vz and torsion T, shear stresses and the von Mises criterion.
• New progressive beam reinforcement design: reinforcement is determined and distributed over successive layers from the beam geometry, with the required steel area for each layer and the total area.
• Scientific renderers have been completely rewritten with a faster and more precise native engine. This architecture greatly improves interaction-surface resolution and enables continuous iso-color fields that clearly distinguish compressed and tensioned zones.
• New rotatable 3D interaction surfaces, with orthonormal or adaptive views to use the available space more effectively and avoid visually flattened surfaces.
• Scientific graphics are now interactive: points, curves, load paths, diagrams and other results can be selected directly to display detailed values and information.
• Numerous rendering, interaction and stability fixes on mobile and desktop.

### 2.1.4 — 2026-07-30

Faster imports and analysis-case management for very large load sets. Added the Custom RC section workflow, improved geometry and tensor-cut results, and strengthened calculation stability with the latest SectionPro kernel.

### 2.1.3 — 2026-07-28

Improved calculation and export reliability across geometry, materials, buckling, and fire workflows. Faster prestressed-section evaluations, clearer premium access controls, and fixes for authentication, localization, and responsive layouts.

### 2.1.2 — 2026-07-26

Faster, smoother scientific visualizations, with full-screen viewing for the main result plots. Improved thermal-field rendering and memory use, corrected transparent interaction surfaces, and strengthened prestressed-section results, exports, and calculation stability.

### 2.0.2 — 2026-06-27

Improved support for comma decimal separators in input fields and imports, plus minor bug fixes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*