# Epicycles vs NumeriFaceLive

The clearest difference is update cadence: Epicycles at every 5 days against NumeriFaceLive's every 4 weeks. Epicycles also leads on iOS requirement (15.0 vs 18.6). 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 NumeriFaceLive. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Epicycles ships an update every 5 days, NumeriFaceLive every 4 weeks. The most recent releases landed on September 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Epicycles | NumeriFaceLive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/epicycles/id6450433959/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/numerifacelive/id6763707742/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 4 MB | 6 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Limit Point Software](https://appshunter.io/developer/377981570) | [Keyvon Rashidi](https://appshunter.io/developer/1825970126) |

## 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


### NumeriFaceLive

[App page](https://appshunter.io/ios/app/numerifacelive/id6763707742)

This ARKit-powered tool uses the TrueDepth camera to capture detailed facial movement data. It guides users through expressions, records high-resolution meshes, and exports data locally for analysis. All processing is done on-device, ensuring privacy.

**Highlights:** Guided facial expression protocol, Real-time AR face mesh visualization, High-resolution image capture, CSV export of 3D facial geometry, Inter-eye distance calculation, Offline functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Epicycles free?

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

### Is NumeriFaceLive free?

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

### Which has better reviews, Epicycles or NumeriFaceLive?

Epicycles and NumeriFaceLive are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Epicycles or NumeriFaceLive have ads?

Neither Epicycles nor NumeriFaceLive shows ads.

### Which is updated more often, Epicycles or NumeriFaceLive?

Epicycles ships an update every 5 days, and NumeriFaceLive every 4 weeks. Most recently, Epicycles was updated on September 21, 2026 and NumeriFaceLive on October 5, 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.*