# Viewer Prime vs Gold Klass

The clearest difference is in-app purchases: Gold Klass at none against Viewer Prime's 1. Gold Klass also leads on update cadence (monthly vs every 8 months) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Viewer Prime sells 1 in-app purchase, starting at $3.99 per month. Gold Klass asks for nothing beyond the download.

Viewer Prime ships an update every 8 months, Gold Klass monthly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Viewer Prime | Gold Klass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 18 MB | 299 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Endavo Media and Communications, Inc.](https://appshunter.io/developer/641607456) | [IN10 Media Private Limited](https://appshunter.io/developer/1015258673) |

## What reviewers say

### Viewer Prime

[App page](https://appshunter.io/ios/app/viewer-prime/id1504209788)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited | $3.99 | per month |


### Gold Klass

[App page](https://appshunter.io/ios/app/gold-klass/id6499212758)

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

**In-app purchases:** none


## Frequently asked questions

### Is Viewer Prime free?

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

### Is Gold Klass free?

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

### Do Viewer Prime or Gold Klass have ads?

Neither Viewer Prime nor Gold Klass shows ads.

### Which is updated more often, Viewer Prime or Gold Klass?

Viewer Prime ships an update every 8 months, and Gold Klass monthly. Most recently, Viewer Prime was updated on October 25, 2026 and Gold Klass on October 27, 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.*