# A vs Auto RC

The clearest difference is price: Auto RC at Free against A's $9.99. Auto RC also leads on rating (4.5 vs 1.0) and ratings volume (6 vs 1). A's advantage is in-app purchases (none vs 8). On update cadence, ads and device support there is nothing between them.

Auto RC is free to download; A costs $9.99 up front. Auto RC sells 8 in-app purchases, starting at $9.99 per month. A asks for nothing beyond the download.

Auto RC holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Auto RC has 6 ratings behind it against 1, so its average is the more settled of the two.

A ships an update fortnightly, Auto RC every 3 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | A | Auto RC |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/a-frame3d-pro/id1207537713/reviews) | **[4.5 (6 ratings)](https://appshunter.io/ios/app/auto-rc-structural-design/id6451228272/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | **Freemium** |
| Size | 23 MB | 75 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jutarus Ratanasethakul](https://appshunter.io/developer/1454380236) | [vachiraphun mekvarmdee](https://appshunter.io/developer/1697257272) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-frame3d-pro/id1207537713)

Analyze complex 3D space frames with this powerful yet easy-to-use application. Input node coordinates, member alignments, and material properties to solve structures and view step-by-step calculations. Visualize deformations and generate shear force and bending moment diagrams.

**Highlights:** 3D space frame analysis, Stiffness Matrix Method, Step-by-step calculation display, Equilibrium check, Deformation visualization, Shear Force & Bending Moment Diagrams

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Auto RC

[App page](https://appshunter.io/ios/app/auto-rc-structural-design/id6451228272)

This app transforms structural design into a superpower by automatically generating beam layouts from floor plans using AI. It offers tools for analyzing and designing structural elements, with advanced features for full building modeling and detailed exports available through a subscription.

**Highlights:** AI-powered floor plan scanning, Automatic beam layout generation, 3D rebar detailing, Full building structural modeling, 3D structural analysis, Exportable calculation reports and CAD plans

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| สมัครสมาชิกรายเดือน | $9.99 | per month |
| สมัครสมาชิกรายปี | $99.99 | per year |
| Export IFC model file | $2.99 | one-time |
| Export structural model file | $2.99 | one-time |
| สมัครสมาชิกแบบไม่ต่ออายุ | $4.99 | one-time |
| Export structural model file | $4.99 | one-time |
| Export structural model file | $7.99 | one-time |
| Export structural model file | $9.99 | one-time |


## Frequently asked questions

### Is A free?

A costs $9.99, with no in-app purchases.

### Is Auto RC free?

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

### Which has better reviews, A or Auto RC?

Auto RC is rated higher. A averages 1.0 out of 5 from 1 ratings, while Auto RC averages 4.5 from 6 ratings.

### Do A or Auto RC have ads?

Neither A nor Auto RC shows ads.

### Which is updated more often, A or Auto RC?

A ships an update fortnightly, and Auto RC every 3 weeks. Most recently, A was updated on October 6, 2026 and Auto RC on October 1, 2026.

---

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