# HVC Viewer vs S

The clearest difference is price: S at Free against HVC Viewer's $99.99. S also leads on update cadence (every 2 months vs every 5 months). HVC Viewer's advantage is iOS requirement (11.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

S is free to download; HVC Viewer costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HVC Viewer ships an update every 5 months, S every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | HVC Viewer | S |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/hvc-viewer/id499884723/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 274 MB | 49 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hoya Holdings NV](https://appshunter.io/developer/492618708) | [akzente salzburg](https://appshunter.io/developer/1712449584) |

## What reviewers say

### HVC Viewer

[App page](https://appshunter.io/ios/app/hvc-viewer/id499884723)

This application uses augmented reality to demonstrate the visual effects of different spectacle lenses. It helps spectacle wearers understand lens performance in real-life situations, aiding in sales consultations. Features include modules for progressive, single vision, indoor, anti-reflection, polarized, and photochromic lenses.

**Highlights:** Interactive Augmented Reality demonstrations, Progressive lens performance comparison, Single vision lens design visualization, Indoor lens solution explanation, Anti-reflection coating benefits, Polarized and Photochromic lens features

**Features:** macOS Compatibility

**In-app purchases:** none


### S

[App page](https://appshunter.io/ios/app/s-pass/id824087355)

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

**In-app purchases:** none


## Frequently asked questions

### Is HVC Viewer free?

HVC Viewer costs $99.99, with no in-app purchases.

### Is S free?

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

### Do HVC Viewer or S have ads?

Neither HVC Viewer nor S shows ads.

### Which is updated more often, HVC Viewer or S?

HVC Viewer ships an update every 5 months, and S every 2 months. Most recently, HVC Viewer was updated on November 1, 2026 and S on November 1, 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.*