# A vs BePrepared Vault

The clearest difference is price: BePrepared Vault at Free against A's $9.99. BePrepared Vault also leads on iOS requirement (15.0 vs 18.6). A's advantage is update cadence (every 10 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

BePrepared Vault is free to download; A costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

A ships an update every 10 days, BePrepared Vault every 2 months. The most recent releases landed on September 10, 2026 and July 26, 2026 respectively.

## The numbers

| Metric | A | BePrepared Vault |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Paid | — |
| Size | 23 MB | 12 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jutarus Ratanasethakul](https://appshunter.io/developer/1454380236) | [THE PREPARED COMPANY PTY LTD](https://appshunter.io/developer/1678885577) |

## 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


### BePrepared Vault

[App page](https://appshunter.io/ios/app/beprepared-vault/id6446716709)

**In-app purchases:** none


## Frequently asked questions

### Is A free?

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

### Is BePrepared Vault free?

BePrepared Vault is free to download, with no in-app purchases.

### Do A or BePrepared Vault have ads?

Neither A nor BePrepared Vault shows ads.

### Which is updated more often, A or BePrepared Vault?

A ships an update every 10 days, and BePrepared Vault every 2 months. Most recently, A was updated on September 10, 2026 and BePrepared Vault on July 26, 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.*