# A vs PatchPrinter

The clearest difference is review sentiment: PatchPrinter at 100% against A's 0%. PatchPrinter also leads on price (Free vs $9.99) and iOS requirement (14.5 vs 18.6). A's advantage is update cadence (every 2 weeks vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

PatchPrinter 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 2 weeks, PatchPrinter every 3 months. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | A | PatchPrinter |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/patchprinter/id1580200793/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 10 MB | 1 MB |
| Requires iOS | 18.6 | **14.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jutarus Ratanasethakul](https://appshunter.io/developer/1454380236) | [Bart van Stiphout](https://appshunter.io/developer/368100168) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-truss3d-pro/id1201673511)

Analyze space trusses with this tool designed for structural engineers and students. It offers detailed solutions including node displacements, member forces, and stress, with an intuitive 3D interface and an assistant for complex truss creation.

**Highlights:** 3D graphics and UI, Node displacements, member forces, and stress calculations, Truss Assistant Creator for automatic generation, Direct Stiffness Matrix solver, Multiple viewing options (Proportion, Equal, Wireframe), PDF report generation, Support for large space trusses

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

**In-app purchases:** none


### PatchPrinter

[App page](https://appshunter.io/ios/app/patchprinter/id1580200793)

View your preproduction files on your iOS device without needing hard copies. Easily open and share PatchPrinter files from various sources like email or Airdrop. Navigate between files seamlessly in the organized list.

**Highlights:** View preproduction files, Open from email attachments, Open from WhatsApp, Open via Airdrop, Easy file switching, Share files with colleagues

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

**In-app purchases:** none


## Frequently asked questions

### Is A free?

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

### Is PatchPrinter free?

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

### Do A or PatchPrinter have ads?

Neither A nor PatchPrinter shows ads.

### Which is updated more often, A or PatchPrinter?

A ships an update every 2 weeks, and PatchPrinter every 3 months. Most recently, A was updated on September 26, 2026 and PatchPrinter on September 21, 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.*