# Duck.ai vs Grok

> Duck.ai: Chat with ChatGPT, Claude and other AI models without handing over your data
> Grok: xAI's AI assistant with live X and web search, image and voice tools

- Duck.ai profile: https://finderatlas.com/tools/duck-ai
- Grok profile: https://finderatlas.com/tools/grok
- Comparison page: https://finderatlas.com/compare/duck-ai-vs-grok
- Last reviewed: October 2026

## Verdict

Duck.ai and Grok are both AI Assistants tools. Grok scores higher in FinderAtlas's editorial review (8.3 vs 7.8 out of 10). Both have a free plan or trial. Only Grok is available on iOS and Android and offers an API.

### Choose Duck.ai if

- You want a tool built for everyday questions and drafting where you do not want chats tied to an account or used for training, and trying several models in one place.
- Free tier works without an account.
- Personal metadata such as IP address is removed before prompts reach providers.

### Choose Grok if

- You want a tool built for questions that need current information from X and the web.
- Searches both X posts and the web for current information.
- Free tier available without a subscription.

## Pricing

| | Duck.ai | Grok |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | Duck.ai | Grok |
| --- | --- | --- |
| Multi-model chat | Yes | Not listed |
| No account required | Yes | Not listed |
| Metadata removal | Yes | Not listed |
| No training on chats | Yes | Not listed |
| Local recent chats | Yes | Not listed |
| Voice chat | Yes | Not listed |
| Image generation | Yes | Not listed |
| File and image upload | Yes | Not listed |
| Subscription bundle | Yes | Not listed |
| Live Search | Not listed | Yes |
| Chat and Reasoning | Not listed | Yes |
| File and Image Analysis | Not listed | Yes |
| Grok Imagine | Not listed | Yes |
| Voice Mode | Not listed | Yes |
| Conversation Import | Not listed | Yes |
| Shared Subscription | Not listed | Yes |
| xAI API | Not listed | Yes |

## Platforms

| Platform | Duck.ai | Grok |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | No | No |
| macOS | No | No |
| iOS | No | Yes |
| Android | No | Yes |
| API | No | Yes |
| Browser Extension | No | No |

## Duck.ai strengths

- Free tier works without an account.
- Personal metadata such as IP address is removed before prompts reach providers.
- Chats are not used for training by DuckDuckGo, and providers agree not to train on them.
- Several providers' models are available from one interface.
- Plus ($9.99/month) bundles a VPN and identity protection services.

## Duck.ai limitations

- Free tier is limited by daily usage caps, and the paid limits are not published as numbers.
- Strongest models are subscriber-only, and the top tier costs $19.99/month.
- No public API and no standalone mobile app found.
- Chat history is local by default, so it does not sync across devices without opting into Sync & Backup.

## Grok strengths

- Searches both X posts and the web for current information
- Free tier available without a subscription
- Image and video generation in the same app as chat
- Separate API with long context windows (up to 1M tokens on some models)
- Real-time voice mode in the mobile apps

## Grok limitations

- Free usage is capped, and xAI does not publish the exact limit
- Usage limits are given only as multiples of the Plus plan, not as fixed numbers
- Answers drawing on X posts can reflect unverified social content
- The App Store rates the app 16+ because of mature themes

## FAQ

**Is Duck.ai better than Grok?**

It depends on your workflow. Duck.ai is built for everyday questions and drafting where you do not want chats tied to an account or used for training, and trying several models in one place. Grok is built for questions that need current information from X and the web.

**What are the key feature differences between Duck.ai and Grok?**

Duck.ai: Chat with ChatGPT, Claude and other AI models without handing over your data. Grok: xAI's AI assistant with live X and web search, image and voice tools. Grok is rated 4.0/5 from 1 user review.

**Does Duck.ai or Grok have a free plan?**

Yes, both do. Duck.ai is freemium and Grok is freemium, and each has a free plan or trial.

**Which is cheaper, Duck.ai or Grok?**

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.