# Rot13 (Unix Flashback) vs Virtual Language

The clearest difference is price: Rot13 (Unix Flashback) at Free against Virtual Language's $7.99. Rot13 (Unix Flashback) also leads on update cadence (every 26 months vs every 56 months). Virtual Language's advantage is iOS requirement (11.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Rot13 (Unix Flashback) is free to download; Virtual Language costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rot13 (Unix Flashback) ships an update every 26 months, Virtual Language every 56 months. Both last shipped on June 4, 2026.

## The numbers

| Metric | Rot13 (Unix Flashback) | Virtual Language |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rot13-unix-flashback/id995122989/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 26 months** | Every 56 months |
| Monetization | Free | — |
| Size | 1 MB | 60 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Macplugins](https://appshunter.io/developer/364191414) | [Arrowat LLC](https://appshunter.io/developer/1358562640) |

## What reviewers say

### Rot13 (Unix Flashback)

[App page](https://appshunter.io/ios/app/rot13-unix-flashback/id995122989)

This utility app performs a simple letter substitution cipher, rotating English letters by 13 positions. It's useful for obscuring text like spoilers or sensitive content from casual viewers. You can type directly, share text from other apps, or integrate it with shortcuts.

**Highlights:** Letter substitution cipher, Rotate by 13 positions, Hide spoilers and sensitive content, Share text from other apps, Integrate with shortcuts

**Features:** macOS Compatibility

**In-app purchases:** none


### Virtual Language

[App page](https://appshunter.io/ios/app/virtual-language/id1504423792)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rot13 (Unix Flashback) free?

Rot13 (Unix Flashback) is free to download, with no in-app purchases.

### Is Virtual Language free?

Virtual Language costs $7.99, with no in-app purchases.

### Do Rot13 (Unix Flashback) or Virtual Language have ads?

Neither Rot13 (Unix Flashback) nor Virtual Language shows ads.

### Which is updated more often, Rot13 (Unix Flashback) or Virtual Language?

Rot13 (Unix Flashback) ships an update every 26 months, and Virtual Language every 56 months. Most recently, Rot13 (Unix Flashback) was updated on June 4, 2026 and Virtual Language on June 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.*