
About
A native iOS AI chat client offering a polished and fluid user experience. It supports multiple AI models and protocols, with advanced features like visualized chain-of-thought and task-specific assistants. All data remains on your device for enhanced privacy.
What's New in DDchat AI
1.4.0
July 30, 2026
What's new: - Share the assistants you've carefully tuned: package their personas, prompts, and parameters into a .dda file, send it to friends or move it between your devices, then import it and start using it right away - Added compatibility for Claude Opus 5 / Sonnet 5, Qwen 3.8, Kimi K3 / K2.7 Code / K2.6, Hunyuan Hy3, MiniMax M3, Grok 4.5, Gemini 3.6 Flash / 3.5 Flash-Lite, Mistral Medium / Small, and more - Various fixes and usability improvements
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FAQ
What is DDchat AI?
DDchat AI is a native iOS application designed for interacting with various AI models. It focuses on a beautiful user interface, advanced features like visualized reasoning, and strong privacy controls, keeping all data on your device.
Does DDchat AI have ads?
No, DDchat AI is ad-free. The application emphasizes a privacy-first approach with zero data upload and no analytics or tracking, ensuring an uninterrupted user experience.
How much does DDchat AI cost?
DDchat AI is a paid application, available for a one-time purchase of $1.99. This price grants you access to all its features without any ongoing subscription fees.
What AI models does DDchat AI support?
DDchat AI supports a wide range of models through official APIs and third-party gateways. This includes Chat Completions compatible providers like DeepSeek, Kimi, MiniMax, and Qwen, as well as Anthropic (Claude) protocols.
Can I use my own API keys with DDchat AI?
Yes, DDchat AI requires you to provide your own API keys. The app connects directly to your chosen API provider, ensuring your data is not processed through a middleman server.
How often is DDchat AI updated?
The latest version of DDchat AI is 1.4.0, last updated on July 30, 2026. The app's capability database for models also updates silently from the cloud, ensuring new models are recognized without an app update.
Is DDchat AI available on Android?
DDchat AI is currently designed as a native iOS application and is supported on iPhone and iPad. There is no information available regarding an Android version at this time.
What languages does DDchat AI support for its interface?
DDchat AI offers a full UI in Simplified Chinese, English, Japanese, Korean, and Traditional Chinese. It defaults to your system language but can be switched in the Settings menu.




