# Epicycles vs Fermi+

The clearest difference is update cadence: Fermi+ at every 2 days against Epicycles's every 5 days. On price, rating, ratings volume 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 Fermi+. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Epicycles ships an update every 5 days, Fermi+ every 2 days. The most recent releases landed on September 21, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Epicycles | Fermi+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/epicycles/id6450433959/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/fermi-plus/id6751152901/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free | Free |
| Size | 4 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Limit Point Software](https://appshunter.io/developer/377981570) | [Frank Cottone](https://appshunter.io/developer/1833715265) |

## 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


### Fermi+

[App page](https://appshunter.io/ios/app/fermi-plus/id6751152901)

This app streamlines classroom management for educators and students. Teachers can create and distribute assignments, track progress with analytics, and communicate with students. Students can access assignments, submit work, and monitor their academic performance.

**Highlights:** Create and distribute assignments, Track student progress with analytics, Manage multiple classes, Integrated student messaging, Student assignment submission, View upcoming due dates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Epicycles free?

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

### Is Fermi+ free?

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

### Which has better reviews, Epicycles or Fermi+?

Epicycles and Fermi+ are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Epicycles or Fermi+ have ads?

Neither Epicycles nor Fermi+ shows ads.

### Which is updated more often, Epicycles or Fermi+?

Epicycles ships an update every 5 days, and Fermi+ every 2 days. Most recently, Epicycles was updated on September 21, 2026 and Fermi+ on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*