# TheDLA vs Epicycles

The clearest difference is rating: Epicycles at 5.0 against TheDLA's 4.3. Epicycles also leads on update cadence (every 5 days vs every 3 months). On price, ratings volume, 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.

Epicycles holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

TheDLA ships an update every 3 months, Epicycles every 5 days. The most recent releases landed on June 3, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | TheDLA | Epicycles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/thedla/id506499656/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/epicycles/id6450433959/reviews)** |
| Number of ratings | **3** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 10 MB | 4 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daishin Ueyama](https://appshunter.io/developer/495395197) | [Limit Point Software](https://appshunter.io/developer/377981570) |

## What reviewers say

### TheDLA

[App page](https://appshunter.io/ios/app/thedla/id506499656)

Explore pattern formation in nature with this app. It visualizes Diffusion Limited Aggregation, allowing you to create unique, complex dendritic patterns. Experiment with different interactions to generate artistic and scientific designs.

**Highlights:** Visualize Diffusion Limited Aggregation, Create complex dendritic patterns, Interactive pattern generation, Color selection for branches, Export images to photo library, Twitter, Facebook, GIF animation export, Face detection for particle placement

**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 TheDLA free?

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

### Is Epicycles free?

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

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

Epicycles is rated higher. TheDLA averages 4.3 out of 5 from 3 ratings, while Epicycles averages 5.0 from 2 ratings.

### Do TheDLA or Epicycles have ads?

Neither TheDLA nor Epicycles shows ads.

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

TheDLA ships an update every 3 months, and Epicycles every 5 days. Most recently, TheDLA was updated on June 3, 2026 and Epicycles on June 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.*