# 暗礁计算器 vs ETOS LLM Studio

The clearest difference is price: 暗礁计算器 at Free against ETOS LLM Studio's $2.99. 暗礁计算器 also leads on iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

暗礁计算器 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.

## The numbers

| Metric | 暗礁计算器 | ETOS LLM Studio |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 |
| Monetization | — | Paid |
| Size | 1 MB | 152 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [浩源 陈](https://appshunter.io/developer/1665506236) | [琳 李](https://appshunter.io/developer/1864552804) |

## What reviewers say

### 暗礁计算器

[App page](https://appshunter.io/ios/app/id6748670022)

**Features:** Apple Watch app

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 暗礁计算器 free?

暗礁计算器 is free to download, with no in-app purchases.

### Is ETOS LLM Studio free?

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

### Do 暗礁计算器 or ETOS LLM Studio have ads?

Neither 暗礁计算器 nor ETOS LLM Studio shows ads.

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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.*