# Retinol Guide vs Joon

The clearest difference is in-app purchases: Retinol Guide at none against Joon's 2. Retinol Guide also leads on ads (none vs shown). Joon's advantage is iOS requirement (15.1 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Joon sells 2 in-app purchases, starting at $9.99 per month. Retinol Guide asks for nothing beyond the download.

## The numbers

| Metric | Retinol Guide | Joon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 3 MB | 156 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Nicola Marai](https://appshunter.io/developer/1451552549) | [Christian Araujo](https://appshunter.io/developer/1896575534) |

## What reviewers say

### Retinol Guide

[App page](https://appshunter.io/ios/app/retinol-guide/id6760433007)

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

**In-app purchases:** none


### Joon

[App page](https://appshunter.io/ios/app/joon-science-based-lifting/id6768464151)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Joon+ Monthly | $9.99 | per month |
| Joon+ Annual | $59.99 | per year |


## Frequently asked questions

### Is Retinol Guide free?

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

### Is Joon free?

Joon is free to download, with in-app purchases available.

### Do Retinol Guide or Joon have ads?

Joon shows ads; Retinol Guide does not.

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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.*