# Undeafen vs Penpal

The clearest difference is in-app purchases: Undeafen at none against Penpal's 2. Undeafen also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Penpal sells 2 in-app purchases, starting at $3.99 per month. Undeafen asks for nothing beyond the download.

## The numbers

| Metric | Undeafen | Penpal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 33 MB | 19 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Shubham Vashishth](https://appshunter.io/developer/1882020556) | [Jack Kroll](https://appshunter.io/developer/1638376186) |

## What reviewers say

### Undeafen

[App page](https://appshunter.io/ios/app/undeafen/id6759970255)

**In-app purchases:** none


### Penpal

[App page](https://appshunter.io/ios/app/penpal-write-and-send-letters/id6790878852)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus (Monthly) | $3.99 | per month |
| Plus (Annual) | $29.99 | per year |


## Frequently asked questions

### Is Undeafen free?

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

### Is Penpal free?

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

### Do Undeafen or Penpal have ads?

Neither Undeafen nor Penpal shows 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.*