A vs Auto RC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A
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.
- 3D space frame analysis
- Stiffness Matrix Method
- Step-by-step calculation display
- Equilibrium check
- Deformation visualization
- Shear Force & Bending Moment Diagrams
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The Space Frame is considered to be the complicated structure due to the members of such frames may be oriented in any directions in three-dimensional space more over the external loads oriented in any arbitrary directions can be applied to joints, as well as members. A-Frame 3D is an app that is so easy to use yet so powerful!!! Data input is just as simple as - Node coordination (x, y, z) - Member alignment (node-i to node-j) - Applied loads to each nodes and members - Material properties E, G, Iy, Ix, J and A values Not only A-Frame can solve the Space Frame but the app also showing the calculation step by step for the result data so that you can counter check the correctness of the calculation. A-Frame 3D is an application for structural engineers or engineering students who need a tool to analyze the space frames. A-Frame 3D solves the space frame by using the Stiffness Matrix Method, providing following features: - The frame members can be aligned in any direction in space. - Load applied to each members can oriented in any direct around the frame members. - Equilibrium check for Forces & Bending Moments - Deformation of each points along the members. - Shear Force Diagram (S.F.D) and Bending Moment Diagram (B.M.D) of each sections along each members in 3D.
Auto RC
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.
- 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
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Structural design becomes your new superpower. Auto RC doesn't just deliver fast results — it helps you understand the fundamentals of structural design and empowers you to create professional-grade structures with confidence. Free Features for All Users 1) Scan floor plans and auto-generate beam layouts using AI 2) Analyze and design structural elements automatically (up to 50 beams per plan) 3) View 3D rebar details for beams 4) Customize beam and slab design as needed 5) Save projects by watching ads Premium Features for Subscribers 1) Build full structural models with Pro Mode 2) Design and edit entire buildings: slabs, beams, columns, foundations, stairs, roofs, and steel frames 3) Run full 3D structural analysis with load combinations 4) Export full calculation reports 5) Auto-generate rebar models for the entire structure 6) Export bar cut lists and shop drawings 7) Export bill of quantities (BOQ) 8) Export structural CAD plans 9) Export 3D rebar models in IFC format for BIM compatibility 10) Enjoy an ad-free experience Auto RC Subscription Plans Weekly: $4.99 Monthly: $9.99 Yearly: $99.99 (save 2 months) Free 7-day trial – cancel anytime. Your premium access stays active until the end of the trial or billing cycle. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | A | Auto RC |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 1.0 (1 ratings) | 4.5 (6 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | 1 | 6 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Jutarus Ratanasethakul | vachiraphun mekvarmdee |
Customer experience
A
Auto RC
In-app purchases
A
No in-app purchases
Auto RC
- สมัครสมาชิกรายเดือน7 Days trial$9.991 Month
- สมัครสมาชิกรายปี7 Days trial$99.991 Year
- Export IFC model file$2.99
- Export structural model file$2.99
- สมัครสมาชิกแบบไม่ต่ออายุ$4.99
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- Export structural model file$4.99
- Export structural model file$7.99
- Export structural model file$9.99
