# PreView vs 윗딜 다산

The clearest difference is in-app purchases: 윗딜 다산 at none against PreView's 3. 윗딜 다산 also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, 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. 윗딜 다산 asks for nothing beyond the download.

PreView ships an update every 2 months, 윗딜 다산 every 6 weeks. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PreView | 윗딜 다산 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Freemium | — |
| Size | 173 MB | 25 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sanghun cho](https://appshunter.io/developer/1860799254) | [Orora Platform Company](https://appshunter.io/developer/1593348188) |

## What reviewers say

### PreView

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

This app helps beauty professionals simulate PMU (Permanent Makeup) results for clients. It offers AI-powered brow removal, golden ratio guides, realistic texture simulations, and shareable before/after care cards. Clients can also use it to preview designs on their own faces.

**Highlights:** AI brow removal, Golden ratio facial analysis, Realistic PMU texture simulation, Before & After care card creation, Web and app client consultation hub, Simulate on own face

**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 |


### 윗딜 다산

[App page](https://appshunter.io/ios/app/id6760690746)

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

**In-app purchases:** none


## Frequently asked questions

### Is PreView free?

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

### Is 윗딜 다산 free?

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

### Do PreView or 윗딜 다산 have ads?

Neither PreView nor 윗딜 다산 shows ads.

### Which is updated more often, PreView or 윗딜 다산?

PreView ships an update every 2 months, and 윗딜 다산 every 6 weeks. Most recently, PreView was updated on October 26, 2026 and 윗딜 다산 on October 9, 2026.

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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.*