# PreVu vs SmileViz

The clearest difference is update cadence: SmileViz at every 3 days against PreVu's every 3 weeks. PreVu's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PreVu ships an update every 3 weeks, SmileViz every 3 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PreVu | SmileViz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smileviz/id6775025417/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Free |
| Size | 58 MB | 102 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [PreVue Software, LLC](https://appshunter.io/developer/1757574581) | [SmileViz LLC](https://appshunter.io/developer/6775025419) |

## What reviewers say

### PreVu

[App page](https://appshunter.io/ios/app/prevu/id6692621937)

**In-app purchases:** none


### SmileViz

[App page](https://appshunter.io/ios/app/smileviz/id6775025417)

This AI-powered tool assists dental practices in visually presenting treatment options to patients. It generates realistic smile previews from patient photos, aiding in consultations and improving the understanding of potential cosmetic or restorative outcomes.

**Highlights:** AI smile simulations from patient photos, Before-and-after treatment previews, Support for various cosmetic cases, Virtual consultation management, Visual treatment presentation

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

**In-app purchases:** none


## Frequently asked questions

### Is PreVu free?

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

### Is SmileViz free?

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

### Do PreVu or SmileViz have ads?

Neither PreVu nor SmileViz shows ads.

### Which is updated more often, PreVu or SmileViz?

PreVu ships an update every 3 weeks, and SmileViz every 3 days. Most recently, PreVu was updated on November 4, 2026 and SmileViz on November 5, 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.*