# Vector Gem vs Epicycles

The clearest difference is update cadence: Epicycles at every 5 days against Vector Gem's every 2 months. On price, ads, in-app purchases and monetization model there is nothing between them.

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

Vector Gem ships an update every 2 months, Epicycles every 5 days. The most recent releases landed on October 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Vector Gem | Epicycles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/epicycles/id6450433959/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 15 MB | 4 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fabian Langer](https://appshunter.io/developer/1537178343) | [Limit Point Software](https://appshunter.io/developer/377981570) |

## What reviewers say

### Vector Gem

[App page](https://appshunter.io/ios/app/vector-gem/id1537188969)

Visualize and manipulate 3D vectors, lines, and planes with multiple input formats. Explore intersections with axes and coordinate planes, and customize object colors and display settings.

**Highlights:** 3D vector, line, and plane input, Multiple input forms supported, Display of starting points and direction vectors, Calculation of intersection points, Customizable object colors and display settings

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Vector Gem free?

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

### Is Epicycles free?

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

### Do Vector Gem or Epicycles have ads?

Neither Vector Gem nor Epicycles shows ads.

### Which is updated more often, Vector Gem or Epicycles?

Vector Gem ships an update every 2 months, and Epicycles every 5 days. Most recently, Vector Gem was updated on October 7, 2026 and Epicycles 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.*