# 2PD vs The Plastics Brief

The clearest difference is update cadence: The Plastics Brief at every 3 days against 2PD's every 2 months. The Plastics Brief also leads on ratings volume (6 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for 2PD against 5.0 for The Plastics Brief. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

2PD ships an update every 2 months, The Plastics Brief every 3 days. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 2PD | The Plastics Brief |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/2pd/id6761318358/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/the-plastics-brief/id6809586344/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 4 MB | 35 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Keyvon Rashidi](https://appshunter.io/developer/1825970126) | [Joseph Quick](https://appshunter.io/developer/6809586616) |

## What reviewers say

### 2PD

[App page](https://appshunter.io/ios/app/2pd/id6761318358)

This utility generates customizable 3D printable models for two-point discrimination devices. Easily define spacing and create ready-to-print STL files for various 3D printers.

**Highlights:** Generate customizable two-point discrimination device files, Adjust spacing values with a parametric workflow, Access preset configurations, Create custom device variations, Export ready-to-print STL files, Support FDM and SLA printing

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

**In-app purchases:** none


### The Plastics Brief

[App page](https://appshunter.io/ios/app/the-plastics-brief/id6809586344)

This app provides plastic surgeons and students with a personalized feed of recent research from PubMed-indexed journals. It offers concise summaries, direct links to articles, and tools for organizing literature and tracking learning progress.

**Highlights:** Personalized daily research feed, Concise article summaries, Direct links to PubMed, Customizable literature library, Recall questions for retention, Leader profiles and learning plans

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

**In-app purchases:** none


## Frequently asked questions

### Is 2PD free?

2PD is free to download, with no in-app purchases.

### Is The Plastics Brief free?

The Plastics Brief is free to download, with no in-app purchases.

### Which has better reviews, 2PD or The Plastics Brief?

2PD and The Plastics Brief are both rated 5.0 out of 5 on the App Store, from 2 and 6 ratings respectively.

### Do 2PD or The Plastics Brief have ads?

Neither 2PD nor The Plastics Brief shows ads.

### Which is updated more often, 2PD or The Plastics Brief?

2PD ships an update every 2 months, and The Plastics Brief every 3 days. Most recently, 2PD was updated on October 6, 2026 and The Plastics Brief on October 8, 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.*