# RC Section vs ArchCalculator

The clearest difference is price: ArchCalculator at Free against RC Section's $3.99. ArchCalculator also leads on update cadence (every 9 days vs every 6 weeks). RC Section's advantage is iOS requirement (15.6 vs 17.2). On ads, in-app purchases and device support there is nothing between them.

ArchCalculator is free to download; RC Section costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RC Section ships an update every 6 weeks, ArchCalculator every 9 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RC Section | ArchCalculator |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rc-section/id1388049821/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Paid | — |
| Size | 8 MB | 2 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arian Lako](https://appshunter.io/developer/1388049280) | [Marsha Alexis Likorawung](https://appshunter.io/developer/1758126922) |

## What reviewers say

### RC Section

[App page](https://appshunter.io/ios/app/rc-section/id1388049821)

This app provides structural engineers, architects, and students with tools for analyzing reinforced concrete elements according to Eurocode 2. It offers bending, shear, and column design checks, material databases, and visual feedback for complex calculations.

**Highlights:** Reinforced concrete element analysis, Eurocode 2 compliance, Bending and shear ULS checks, Column design with failure envelopes, Material and durability database, Visual stress-strain and geometry diagrams

**Features:** macOS Compatibility

**In-app purchases:** none


### ArchCalculator

[App page](https://appshunter.io/ios/app/archcalculator/id6554002068)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RC Section free?

RC Section costs $3.99, with no in-app purchases.

### Is ArchCalculator free?

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

### Do RC Section or ArchCalculator have ads?

Neither RC Section nor ArchCalculator shows ads.

### Which is updated more often, RC Section or ArchCalculator?

RC Section ships an update every 6 weeks, and ArchCalculator every 9 days. Most recently, RC Section was updated on October 13, 2026 and ArchCalculator on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*