# A vs UHP.x

The clearest difference is price: UHP.x at Free against A's $9.99. UHP.x also leads on update cadence (every 3 days vs fortnightly). A's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

UHP.x is free to download; A costs $9.99 up front. UHP.x sells 1 one-off in-app purchase. A asks for nothing beyond the download.

A ships an update fortnightly, UHP.x every 3 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | A | UHP.x |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/a-frame3d-pro/id1207537713/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Paid | — |
| Size | 23 MB | 4 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jutarus Ratanasethakul](https://appshunter.io/developer/1454380236) | [Mohammed Fasil](https://appshunter.io/developer/6776067358) |

## 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


### UHP.x

[App page](https://appshunter.io/ios/app/uhpx-uhpc-mix-curing-track/id6779944128)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UHP.x Unlock | $14.99 | one-time |


## Frequently asked questions

### Is A free?

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

### Is UHP.x free?

UHP.x is free to download, with in-app purchases available.

### Do A or UHP.x have ads?

Neither A nor UHP.x shows ads.

### Which is updated more often, A or UHP.x?

A ships an update fortnightly, and UHP.x every 3 days. Most recently, A was updated on October 26, 2026 and UHP.x on October 24, 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.*