iTruss vs A
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iTruss
Calculate structural loads, spans, and truss requirements for construction projects directly from your iPhone. This tool simplifies complex engineering calculations for field use.
- Load calculation
- Span determination
- Truss analysis
- Field use optimization
- Engineering calculations
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Determine load, span or truss needed for your job in the field with this exciting new iPhone® application from XSF. EULA link https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
Screenshots
Verdict
The clearest difference is price: iTruss at Free against A's $9.99. iTruss also leads on rating (4.1 vs 1.0) and ratings volume (15 vs 1). A's advantage is update cadence (fortnightly vs every 23 months). On in-app purchases 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
iTruss is free to download; A costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iTruss holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: iTruss has 15 ratings behind it against 1, so its average is the more settled of the two.
iTruss ships an update every 23 months, A fortnightly. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.
| Parameter | iTruss | A |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.1 (15 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 15 — better | 1 |
| Update frequency | Every 23 months | Fortnightly — better |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 70 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Xtreme Structures & Fabrication LLC | Jutarus Ratanasethakul |
Customer experience
iTruss
A
In-app purchases
iTruss
No in-app purchases
A
No in-app purchases
