# Prism Preview vs Ardex Essentials

The clearest difference is update cadence: Prism Preview at weekly against Ardex Essentials's every 3 weeks. Prism Preview also leads on iOS requirement (8.0 vs 16.0). 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.

Prism Preview ships an update weekly, Ardex Essentials every 3 weeks. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Prism Preview | Ardex Essentials |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 34 MB | 302 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prism Pay Pty Ltd](https://appshunter.io/developer/1417672223) | [Ardex Technology Pty Limited](https://appshunter.io/developer/519509269) |

## What reviewers say

### Prism Preview

[App page](https://appshunter.io/ios/app/prism-preview/id1216039869)

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

**In-app purchases:** none


### Ardex Essentials

[App page](https://appshunter.io/ios/app/ardex-essentials/id1456552291)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prism Preview free?

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

### Is Ardex Essentials free?

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

### Do Prism Preview or Ardex Essentials have ads?

Neither Prism Preview nor Ardex Essentials shows ads.

### Which is updated more often, Prism Preview or Ardex Essentials?

Prism Preview ships an update weekly, and Ardex Essentials every 3 weeks. Most recently, Prism Preview was updated on October 12, 2026 and Ardex Essentials on October 4, 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.*