# Epicycles vs The Plastics Brief

The clearest difference is device support: Epicycles at 3 against The Plastics Brief's 1. Epicycles also leads on iOS requirement (15.0 vs 17.0). The Plastics Brief's advantage is ratings volume (6 vs 2). On price, rating, update cadence and ads 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 Epicycles against 5.0 for The Plastics Brief. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

Epicycles ships an update every 5 days, The Plastics Brief every 8 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Epicycles | The Plastics Brief |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/epicycles/id6450433959/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 5 days** | Every 8 days |
| Monetization | Free | Free |
| Size | 4 MB | 35 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Limit Point Software](https://appshunter.io/developer/377981570) | [Joseph Quick](https://appshunter.io/developer/6809586616) |

## What reviewers say

### Epicycles

[App page](https://appshunter.io/ios/app/epicycles/id6450433959)

Explore the visualization of complex Fourier series through interactive epicycles. Create and analyze approximations of parametric curves and complex functions. Save animations and export custom terms for later use.

**Highlights:** Visualize Fourier series of 2D functions, Create epicycles from drawn curves, Save custom terms to documents, Export animations as GIFs, Adjust time and number of terms, Interactive graphic elements

**Features:** macOS Compatibility

**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 Epicycles free?

Epicycles 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, Epicycles or The Plastics Brief?

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

### Do Epicycles or The Plastics Brief have ads?

Neither Epicycles nor The Plastics Brief shows ads.

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

Epicycles ships an update every 5 days, and The Plastics Brief every 8 days. Most recently, Epicycles was updated on October 24, 2026 and The Plastics Brief 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.*