# RSA Lab vs StealthOS

The clearest difference is in-app purchases: RSA Lab at none against StealthOS's 2. RSA Lab also leads on iOS requirement (16.2 vs 18.0). StealthOS's advantage is update cadence (weekly vs every 42 months). On price, ads and device support there is nothing between them.

Both are free to download. StealthOS sells 2 in-app purchases, starting at $4.99 per month. RSA Lab asks for nothing beyond the download.

RSA Lab ships an update every 42 months, StealthOS weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | RSA Lab | StealthOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/stealthos-private-browser/id6756983634/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 1 MB | 221 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [杨洋 冯](https://appshunter.io/developer/1523955886) | [Olib AI](https://appshunter.io/developer/1864031901) |

## What reviewers say

### RSA Lab

[App page](https://appshunter.io/ios/app/rsa-lab/id1665209132)

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

**In-app purchases:** none


### StealthOS

[App page](https://appshunter.io/ios/app/stealthos-private-browser/id6756983634)

This app provides a secure, private browsing experience with advanced anti-fingerprinting, built-in Tor, and encrypted storage. It offers an on-device AI assistant and a virtual desktop environment for enhanced productivity and research.

**Highlights:** Anti-fingerprinting technology, Built-in Tor browser, AES-256 encrypted storage, On-device AI assistant, Virtual desktop environment, Password manager with TOTP, AI-powered phishing detection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $49.99 | per year |


## Frequently asked questions

### Is RSA Lab free?

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

### Is StealthOS free?

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

### Do RSA Lab or StealthOS have ads?

Neither RSA Lab nor StealthOS shows ads.

### Which is updated more often, RSA Lab or StealthOS?

RSA Lab ships an update every 42 months, and StealthOS weekly. Most recently, RSA Lab was updated on October 27, 2026 and StealthOS on October 28, 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.*