# PK vs Yak Back

The clearest difference is price: Yak Back at Free against PK's $99.99. PK's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Yak Back is free to download; PK costs $99.99 up front. Yak Back sells 1 in-app purchase, starting at $2.99 per month. PK asks for nothing beyond the download.

## The numbers

| Metric | PK | Yak Back |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pk-ink-pro/id6717616357/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 16 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nelson Suarez Arteaga](https://appshunter.io/developer/1692733605) | [James Louis Washkau Jr](https://appshunter.io/developer/1782191131) |

## What reviewers say

### PK

[App page](https://appshunter.io/ios/app/pk-ink-pro/id6717616357)

Create a paranormal illusion by magically moving permanent ink on your mobile screen. Spectators choose ink placement and color, and you control the movement remotely or with hand gestures. Offers multiple finales and can integrate with other magic apps for advanced effects.

**Highlights:** Spectator-chosen ink placement, Customizable marker colors and designs, Remote control and hand-gesture recognition, Multiple powerful finales, Offline functionality, Integration with other magic apps

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

**In-app purchases:** none


### Yak Back

[App page](https://appshunter.io/ios/app/yak-back/id6758941486)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yak Back Pro | $2.99 | per month |


## Frequently asked questions

### Is PK free?

PK costs $99.99, with no in-app purchases.

### Is Yak Back free?

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

### Do PK or Yak Back have ads?

Yak Back shows ads; PK 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.*