# ETOS LLM Studio vs 鸭压

The clearest difference is price: 鸭压 at Free against ETOS LLM Studio's $2.99. ETOS LLM Studio's advantage is update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

鸭压 is free to download; ETOS LLM Studio costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ETOS LLM Studio ships an update every 3 weeks, 鸭压 every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ETOS LLM Studio | 鸭压 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/etos-llm-studio/id6757229901/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 152 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [琳 李](https://appshunter.io/developer/1864552804) | [博 孟](https://appshunter.io/developer/1896544848) |

## What reviewers say

### ETOS LLM Studio

[App page](https://appshunter.io/ios/app/etos-llm-studio/id6757229901)

This AI client offers advanced features for managing local knowledge bases and virtual personas. It provides deep integration with Apple Watch, supports multiple AI models, and allows for extensive customization of AI interactions. The app aims to be a powerful, all-around assistant for users seeking more than a basic chat interface.

**Highlights:** Native iOS and watchOS integration, Multi-model engine support (OpenAI, Anthropic, Google), Local RAG memory with SQLite vector database, Customizable Worldbook Engine for role-playing, Proactive intelligence cards via Daily Pulse, Siri Shortcuts and URL Scheme integration, Dual-engine Text-to-Speech

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 鸭压

[App page](https://appshunter.io/ios/app/id6771024617)

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

**In-app purchases:** none


## Frequently asked questions

### Is ETOS LLM Studio free?

ETOS LLM Studio costs $2.99, with no in-app purchases.

### Is 鸭压 free?

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

### Do ETOS LLM Studio or 鸭压 have ads?

Neither ETOS LLM Studio nor 鸭压 shows ads.

### Which is updated more often, ETOS LLM Studio or 鸭压?

ETOS LLM Studio ships an update every 3 weeks, and 鸭压 every 2 months. Most recently, ETOS LLM Studio was updated on November 5, 2026 and 鸭压 on October 31, 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.*