# AI Playground vs Epicycles

The clearest difference is rating: Epicycles at 5.0 against AI Playground's 3.7. Epicycles also leads on update cadence (every 5 days vs every 3 weeks). 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 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

AI Playground ships an update every 3 weeks, Epicycles every 5 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AI Playground | Epicycles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/ai-playground-deep-learning/id1576167248/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/epicycles/id6450433959/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 2 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) | [Limit Point Software](https://appshunter.io/developer/377981570) |

## What reviewers say

### AI Playground

[App page](https://appshunter.io/ios/app/ai-playground-deep-learning/id1576167248)

Explore deep learning concepts by experimenting with AI. Draw and have the AI guess colors based on your input, then visualize and modify the AI's 'brain' to understand how it learns.

**Highlights:** Experiment with machine learning, AI color guessing from drawings, Visualize AI 'brain' (graph), Modify AI parameters, Test different inputs, Uses Apple MLCompute framework

**Features:** macOS Compatibility, Vision Pro support

**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 AI Playground free?

AI Playground 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, AI Playground or Epicycles?

Epicycles is rated higher. AI Playground averages 3.7 out of 5 from 3 ratings, while Epicycles averages 5.0 from 2 ratings.

### Do AI Playground or Epicycles have ads?

Neither AI Playground nor Epicycles shows ads.

### Which is updated more often, AI Playground or Epicycles?

AI Playground ships an update every 3 weeks, and Epicycles every 5 days. Most recently, AI Playground was updated on October 30, 2026 and Epicycles 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.*