# Deflection Lite vs Auto RC

The clearest difference is in-app purchases: Deflection Lite at none against Auto RC's 8. Deflection Lite also leads on ratings volume (46 vs 6). Auto RC's advantage is review sentiment (75% vs 44%) and update cadence (every 3 weeks vs every 3 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. Auto RC sells 8 in-app purchases, starting at $9.99 per month. Deflection Lite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Deflection Lite against 4.5 for Auto RC. That said, the two scores are not equally well evidenced: Deflection Lite has 46 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 44% of Deflection Lite's written reviews are positive against 75% of Auto RC's.

Deflection Lite ships an update every 3 months, Auto RC every 3 weeks. The most recent releases landed on September 17, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Deflection Lite | Auto RC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (46 ratings)](https://appshunter.io/ios/app/deflection-lite/id974474071/reviews) | [4.5 (6 ratings)](https://appshunter.io/ios/app/auto-rc-structural-design/id6451228272/reviews) |
| Number of ratings | **46** | 6 |
| Positive reviews | 44.4% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 108 MB | 75 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Blue Ketchep](https://appshunter.io/developer/1131834248) | [vachiraphun mekvarmdee](https://appshunter.io/developer/1697257272) |

## What reviewers say

### Deflection Lite

[App page](https://appshunter.io/ios/app/deflection-lite/id974474071)

This app provides interactive and precise structural beam analysis. Easily visualize beam bending by dragging loads and supports, and calculate key engineering results like reactions, shear force, and bending moment.

**Highlights:** Interactive beam bending visualization, Calculate reactions, shear force, and bending moment, Built-in cross-section databases, Unlimited loads and supports, Export design to shareable permalink, Metric and standard units

**Features:** 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 Deflection Lite free?

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

### Is Auto RC free?

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

### Which has better reviews, Deflection Lite or Auto RC?

Deflection Lite and Auto RC are both rated 4.5 out of 5 on the App Store, from 46 and 6 ratings respectively.

### Do Deflection Lite or Auto RC have ads?

Neither Deflection Lite nor Auto RC shows ads.

### Which is updated more often, Deflection Lite or Auto RC?

Deflection Lite ships an update every 3 months, and Auto RC every 3 weeks. Most recently, Deflection Lite was updated on September 17, 2026 and Auto RC on August 31, 2026.

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