# Retro Circuit vs Leptn Tube

The clearest difference is iOS requirement: Retro Circuit at 13.0 against Leptn Tube's 16.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Retro Circuit | Leptn Tube |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Size | 95 MB | 14 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thi Ha Phan](https://appshunter.io/developer/1877102115) | [WAN FAKHRUDIN BIN WAN YUNUS](https://appshunter.io/developer/6773236813) |

## What reviewers say

### Retro Circuit

[App page](https://appshunter.io/ios/app/retro-circuit/id6761100106)

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

**In-app purchases:** none


### Leptn Tube

[App page](https://appshunter.io/ios/app/leptn-tube-vector-array/id6773557533)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Retro Circuit free?

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

### Is Leptn Tube free?

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

### Do Retro Circuit or Leptn Tube have ads?

Both Retro Circuit and Leptn Tube show ads.

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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.*