# 綜合 心理測驗 365題 Free vs PreView

The clearest difference is in-app purchases: 綜合 心理測驗 365題 Free at none against PreView's 3. 綜合 心理測驗 365題 Free also leads on iOS requirement (7.0 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. 綜合 心理測驗 365題 Free asks for nothing beyond the download.

綜合 心理測驗 365題 Free ships an update every 4 months, PreView every 2 months. The most recent releases landed on October 3, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 綜合 心理測驗 365題 Free | PreView |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 6 MB | 173 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AppsNice](https://appshunter.io/developer/452752459) | [sanghun cho](https://appshunter.io/developer/1860799254) |

## What reviewers say

### 綜合 心理測驗 365題 Free

[App page](https://appshunter.io/ios/app/365-free/id523658754)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 綜合 心理測驗 365題 Free free?

綜合 心理測驗 365題 Free is free to download, with no in-app purchases.

### Is PreView free?

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

### Do 綜合 心理測驗 365題 Free or PreView have ads?

Neither 綜合 心理測驗 365題 Free nor PreView shows ads.

### Which is updated more often, 綜合 心理測驗 365題 Free or PreView?

綜合 心理測驗 365題 Free ships an update every 4 months, and PreView every 2 months. Most recently, 綜合 心理測驗 365題 Free was updated on October 3, 2026 and PreView on October 26, 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.*