# MarsChat vs DeepSeek

The clearest difference is in-app purchases: DeepSeek at none against MarsChat's 3. DeepSeek also leads on chart position (#35 vs unranked) and device support. MarsChat's advantage is iOS requirement (11.0 vs 15.0). On price there is nothing between them.

Both are free to download. MarsChat sells 3 one-off in-app purchases. DeepSeek asks for nothing beyond the download.

## The numbers

| Metric | MarsChat | DeepSeek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (12K ratings)](https://appshunter.io/ios/app/deepseek-ai-assistant/id6737597349/reviews)** |
| Number of ratings | — | **12K** |
| Positive reviews | — | 53.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Free |
| Best chart rank | — | **#35** |
| Size | 42 MB | 58 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [垚楠 卜](https://appshunter.io/developer/1691676109) | [杭州深度求索人工智能基础技术研究有限公司](https://appshunter.io/developer/1777221152) |

## What reviewers say

### MarsChat

[App page](https://appshunter.io/ios/app/marschat/id6450033150)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 火星Chat 会员使用权一个月 | $2.99 | one-time |
| 火星Chat 会员使用权3个月 | $6.99 | one-time |
| 火星Chat 会员使用权12个月 | $24.99 | one-time |


### DeepSeek

[App page](https://appshunter.io/ios/app/deepseek-ai-assistant/id6737597349)

**Currently charting:** #35 Top Free · Productivity (US App Store)

This AI assistant offers free, intelligent help powered by a cutting-edge model. It provides rapid responses and advanced capabilities to enhance problem-solving and daily efficiency.

**Highlights:** Intelligent AI assistant, Powered by flagship AI model, Faster response times, Powerful features, Enhances problem-solving, Improves daily efficiency

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and responsive
- 👍 User-friendly interface
- 💡 Powerful AI capabilities
- 🤖 Impressive reasoning and thought process
- 💰 Free and open-source

**What reviewers complain about**

- 🤖 Censorship and bias in responses
- 🔌 Server overload and slow response times
- 🔒 Privacy concerns regarding data collection
- 🐛 Occasional bugs and crashes

**Reported bugs**

- Unable to send messages without using the 'Search' or 'DeepThink' features
- Captcha not working on iOS
- Inconsistent behavior when switching between 'Search' and 'DeepThink' modes

**Requested features**

- Add voice input and output
- Improve iPad and desktop optimization
- Implement better organization and search for chat history
- Expand language support beyond English and Chinese


## Frequently asked questions

### Is MarsChat free?

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

### Is DeepSeek free?

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

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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.*