# Virox vs Prysma

The clearest difference is in-app purchases: Prysma at none against Virox's 10. Prysma also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Virox sells 10 one-off in-app purchases. Prysma asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Virox | Prysma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.3K ratings)](https://appshunter.io/ios/app/virox-global-outbreak/id6758926494/reviews)** | — |
| Number of ratings | **2.3K** | — |
| Positive reviews | 52.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 909 MB | 31 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [LEXIANGCO.,LIMITED](https://appshunter.io/developer/1468865680) | [Pocheron Dimitri](https://appshunter.io/developer/1102689752) |

## What reviewers say

### Virox

[App page](https://appshunter.io/ios/app/virox-global-outbreak/id6758926494)

Lead a survivor settlement on a floating ice platform in a frozen, zombie-infested world. Rescue survivors, recruit heroes, build defenses, and forge alliances to endure the apocalypse.

**Highlights:** Build floating ice fortress, Rescue and house survivors, Recruit legendary heroes, Defend against the undead, Forge powerful alliances

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Treasures Pack | $0.99 | one-time |
| Treasures Pack | $1.99 | one-time |
| Treasures Pack | $2.99 | one-time |
| Treasures Pack | $3.99 | one-time |
| Treasures Pack | $4.99 | one-time |
| Treasures Pack | $9.99 | one-time |
| Treasures Pack | $19.99 | one-time |
| Treasures Pack | $49.99 | one-time |
| Treasures Pack | $74.99 | one-time |
| Treasures Pack | $99.99 | one-time |


### Prysma

[App page](https://appshunter.io/ios/app/prysma/id6762797186)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Virox free?

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

### Is Prysma free?

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

### Do Virox or Prysma have ads?

Virox shows ads; Prysma does not.

### Which is updated more often, Virox or Prysma?

Virox ships an update fortnightly, and Prysma fortnightly. Most recently, Virox was updated on November 9, 2026 and Prysma on October 8, 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.*