# Prompt Security GenAI Shield vs LLMster

The clearest difference is device support: Prompt Security GenAI Shield at 4 against LLMster's 2. Prompt Security GenAI Shield also leads on iOS requirement (15.0 vs 26.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Prompt Security GenAI Shield against 5.0 for LLMster. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Prompt Security GenAI Shield ships an update every 8 days, LLMster every 11 days. The most recent releases landed on October 6, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Prompt Security GenAI Shield | LLMster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/prompt-security-genai-shield/id6479560423/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/llmster/id6776621953/reviews) |
| Number of ratings | 2 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 11 days |
| Monetization | Free | Free |
| Size | 1 MB | 10 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) | [Dave Sebek](https://appshunter.io/developer/1436898695) |

## 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


### LLMster

[App page](https://appshunter.io/ios/app/llmster/id6776621953)

Connect to local AI models for fast, private conversations on your iPhone or iPad. Manage your models, organize chats, and utilize features like vision and hands-free voice interaction. Your data stays on your device and server.

**Highlights:** Connect to local AI models, Private by design, no cloud relay, Organize chats by title, model, or folder, Vision support for image-based conversations, Hands-free voice chat with on-device speech recognition, Stream reasoning and rich Markdown responses, Background processing with Live Activities

**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 LLMster free?

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

### Which has better reviews, Prompt Security GenAI Shield or LLMster?

Prompt Security GenAI Shield and LLMster are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

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

Neither Prompt Security GenAI Shield nor LLMster shows ads.

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

Prompt Security GenAI Shield ships an update every 8 days, and LLMster every 11 days. Most recently, Prompt Security GenAI Shield was updated on October 6, 2026 and LLMster on October 22, 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.*