# Xül vs Realistic Virus Simulator

The clearest difference is review sentiment: Realistic Virus Simulator at 100% against Xül's 0%. Realistic Virus Simulator also leads on update cadence (daily vs every 8 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Xül ships an update every 8 months, Realistic Virus Simulator daily. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Xül | Realistic Virus Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (7 ratings)](https://appshunter.io/ios/app/realistic-virus-simulator/id6466716587/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Daily** |
| Monetization | Free | Free |
| Size | 111 MB | 68 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xalnaut Inc.](https://appshunter.io/developer/1213460837) | [Andres Brockmann](https://appshunter.io/developer/1691955969) |

## What reviewers say

### Xül

[App page](https://appshunter.io/ios/app/xul/id1447349441)

Design and roll custom dice with unique faces like emojis, words, or numbers. Create complex combinations and organize them for quick access. Enjoy dynamic animations and track your roll history.

**Highlights:** Create custom dice with emoji, word, phrase, and number faces, Craft combo dice that roll multiple dice, Generate numeric dice with any number of faces, Dynamic rolling animations, Unlimited custom dice and combos, Apple Watch companion app for rolling

**Features:** macOS Compatibility

**In-app purchases:** none


### Realistic Virus Simulator

[App page](https://appshunter.io/ios/app/realistic-virus-simulator/id6466716587)

Design and simulate your own viruses in a dynamic virtual world. Observe how they spread, affect populations, and impact individuals with customizable parameters. Learn about epidemiological dynamics through realistic simulations.

**Highlights:** Create custom viruses, Realistic population simulation, Dynamic environmental factors, Monitor hospitalization and mortality, In-depth statistics, Educational insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Xül free?

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

### Is Realistic Virus Simulator free?

Realistic Virus Simulator is free to download, with no in-app purchases.

### Do Xül or Realistic Virus Simulator have ads?

Neither Xül nor Realistic Virus Simulator shows ads.

### Which is updated more often, Xül or Realistic Virus Simulator?

Xül ships an update every 8 months, and Realistic Virus Simulator daily. Most recently, Xül was updated on October 8, 2026 and Realistic Virus Simulator on October 24, 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.*