# PreView vs 우주의 힘

The clearest difference is in-app purchases: 우주의 힘 at none against PreView's 3. 우주의 힘 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. PreView sells 3 in-app purchases, starting at $6.99 per month. 우주의 힘 asks for nothing beyond the download.

## The numbers

| Metric | PreView | 우주의 힘 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 173 MB | 72 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [sanghun cho](https://appshunter.io/developer/1860799254) | [MSTORY CO., LTD](https://appshunter.io/developer/1552828733) |

## What reviewers say

### PreView

[App page](https://appshunter.io/ios/app/preview-pmu-simulator/id6756478106)

This app helps beauty professionals simulate PMU results with AI-powered tools. It offers features like AI brow removal, golden ratio guides, and realistic texture simulations. Clients can upload photos for consultations, and professionals can generate before & after care cards.

**Highlights:** AI brow mark removal, Golden ratio facial analysis, Realistic PMU texture simulation, Client photo consultation hub, Customizable care card generation, Before & After photo display

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Yearly Subscription | $69.99 | per year |
| Lifetime License | $149.99 | one-time |


### 우주의 힘

[App page](https://appshunter.io/ios/app/id6771658506)

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

**In-app purchases:** none


## Frequently asked questions

### Is PreView free?

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

### Is 우주의 힘 free?

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

### Do PreView or 우주의 힘 have ads?

Neither PreView nor 우주의 힘 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.*