# Prompt Security GenAI Shield vs OpenShell

The clearest difference is update cadence: OpenShell at every 3 days against Prompt Security GenAI Shield's every 8 days. Prompt Security GenAI Shield's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

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

Prompt Security GenAI Shield ships an update every 8 days, OpenShell every 3 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Prompt Security GenAI Shield | OpenShell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/prompt-security-genai-shield/id6479560423/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 1 MB | 15 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prompt Security](https://appshunter.io/developer/1736315631) | [seungkoo lee](https://appshunter.io/developer/1862664481) |

## What reviewers say

### Prompt Security GenAI Shield

[App page](https://appshunter.io/ios/app/prompt-security-genai-shield/id6479560423)

This Safari extension detects generative AI websites and protects sensitive data by blocking or redacting personal information, code, and secrets. It helps users maintain privacy and comply with data regulations.

**Highlights:** GenAI site detection, Dynamic data protection (PII, PCI, PHI, code, secrets), Block, redact, or anonymize data, User-friendly interface, Compliance with data regulations (GDPR, HIPAA)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### OpenShell

[App page](https://appshunter.io/ios/app/openshell/id6762048319)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prompt Security GenAI Shield free?

Prompt Security GenAI Shield is free to download, with no in-app purchases.

### Is OpenShell free?

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

### Do Prompt Security GenAI Shield or OpenShell have ads?

Neither Prompt Security GenAI Shield nor OpenShell shows ads.

### Which is updated more often, Prompt Security GenAI Shield or OpenShell?

Prompt Security GenAI Shield ships an update every 8 days, and OpenShell every 3 days. Most recently, Prompt Security GenAI Shield was updated on October 6, 2026 and OpenShell on October 7, 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.*