# Perfect Structure

> App for designing and optimizing reinforced concrete columns and beams. (iPhone/iPad app by Gokhan Behcet Sahin.)

- Source: https://appshunter.io/ios/app/perfect-structure/id1581860758 (this page in markdown: same URL + `.md`)
- Developer: [Gokhan Behcet Sahin](https://appshunter.io/developer/1409805750)
- Category: Productivity, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 32 MB
- Languages: American English
- Released: 2021-08-31
- Data updated: 2026-10-11
- Monetization: free with in-app purchases

## What is Perfect Structure?

Design and optimize reinforced concrete columns and beams easily with this App. . Language support for English, German, French, Italian, Spanish, Portuguese, Russian and Turkish. Supported design codes include ACI 318, Eurocode 2, BS 8110, SP 63.13330 and TS 500. Execute your design in seconds and receive the results in PDF, CSV and DXF formats. Share your calculation report with your colleagues over the internet. Fast and flexible.

Key Features:
- Modern and User Friendly Design
- 5 Design Codes: ACI 318, Eurocode 2, BS 8110, SP 13330 and TS 500
- 8 Languages: English, German, French, Italian, Spanish, Portuguese, Russian and Turkish
- 2 Units Systems: Metric (SI) & Imperial
- 3 Different File Formats for Output: PDF, CSV, DXF
- Reinforced Concrete Column Section Types: Rectangular, Circular, Hallow Rectangular and Hallow Circular
- Reinforced Concrete Beam Section Types: Rectangular, T-beam, I-beam, Box-beam (Hollow Core)
- Design of both singly and doubly reinforced beams
- Draw interaction diagrams for columns
- Checks given reinforcement against given loads and section parameters OR calculates optimal reinforcement amount against given loads
- Calculates and checks both flexural reinforcement and shear reinforcement

We hope you will enjoy using it and highly appreciate your valuable feedback.

Perfect Structure is the ultimate tool for engineers to design and check the load bearing capacity of reinforced concrete members. Test your structure on the go! With its intuitive and contemporary interface, Perfect Structure brings the best of UX to your mobile phones and tablets.  Execute your design and receive the results in PDF, CSV and DXF formats. Share your calculation report with your colleagues over the internet. Fast and flexible, Perfect Structure is the everyday tool for the perfect engineer who wants to have the mobility of a smartphone or a tablet without a compromise. Just launch your Perfect Structure app, use the buttons on the main screen for a column or a beam, select the section type, enter the dimension and load data, assign steel and concrete grades and leave the rest to your app by hitting the “Calculate” button. The results will be ready in moments with a clear and concise results screen. Then, select the PDF, CSV and DXF output options if you’d like to send the results to others, save the report in your project folder or inspect your column or beam layout in a CAD software. Use the settings page for a variety of options from user feedback to design code selection. See how your design complies with the design codes by getting the design check results according to the relevant code. Try and test different reinforcement bar arrangements and member dimensions to get to the optimal configuration. Phenomenally easy to use and flexible, Perfect Structure will get you to the result in a matter of seconds with a top-notch user experience.

Tags:
Reinforced Concrete Column Design, Reinforced Concrete Beam design, Reinforced Concrete, Structural Design, Structural Optimization, design of reinforced concrete members, PDF output, shear design, moment design, high strength concrete, high strength steel, reinforcement steel, column interaction diagram.

## Key features

- Reinforced concrete column and beam design
- Support for 5 international design codes
- Multilingual support (8 languages)
- Output in PDF, CSV, and DXF formats
- Modern and user-friendly interface
- Design checks and optimal reinforcement calculation

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Perfect Structure Pro | $8.99 | one-time |



## Frequently asked questions about Perfect Structure

### What design codes does Perfect Structure support?

Perfect Structure supports five major design codes: ACI 318, Eurocode 2, BS 8110, SP 63.13330, and TS 500. This allows for versatile application across different international standards.

### What file formats can I export my design reports in?

You can export your calculation reports in PDF, CSV, and DXF formats. These formats are widely compatible for sharing and further analysis in other software.

### Does Perfect Structure support multiple languages?

Yes, Perfect Structure offers support for eight languages: English, German, French, Italian, Spanish, Portuguese, Russian, and Turkish, making it accessible to a global user base.

### Can Perfect Structure calculate optimal reinforcement amounts?

Yes, the app can either check given reinforcement against provided loads and section parameters, or it can calculate the optimal reinforcement amount required for given loads and section properties.

### What types of reinforced concrete sections can be designed?

Perfect Structure supports the design of various reinforced concrete column section types including Rectangular, Circular, Hollow Rectangular, and Hollow Circular. For beams, it supports Rectangular, T-beam, I-beam, and Box-beam (Hollow Core) sections.

### What is the update frequency for Perfect Structure?

The app was last updated on September 2, 2021, with version 1.1 released shortly after its initial launch on August 31, 2021. Future updates will likely address bug fixes and potentially new features.

### Does Perfect Structure have ads?

Yes, Perfect Structure contains advertisements. This is common for free applications that offer in-app purchases.

### What devices is Perfect Structure compatible with?

Perfect Structure is designed for mobile devices and is compatible with iPhone, iPad, and iPod. It is optimized for both phones and tablets.

## Version history (last 4 releases)

### 2.1.1 — 2026-09-26

New purchase screen with price and Restore. Improved purchase reliability and bug fixes.

### 2.1.0 — 2026-09-24

Major update: redesigned interface, new Check Rebar mode for columns and beams, designs rounded to stock bar sizes, code warnings now shown on the summary, and many calculation-accuracy fixes across all five design codes. Also adds a privacy policy and ad-consent options.

### 1.1 — 2021-09-02

Bug fixes and improvements

### 1.0 — 2021-08-31

No release notes.

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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 2026-10-11.*