DDchat AI

Polished native AI chat client

$1.99 · Designed for iPad. Not verified for macOS.

DDchat AI is a meticulously designed, detail-obsessed AI chat client. Native iOS feel, fluid animations — every conversation is a pleasure to look at. — BEAUTIFUL BY DESIGN — From rounded bubbles to smooth streaming animations, from live scrolling thinking previews to syntax-highlighted code blocks, every pixel is polished. Full Light/Dark theme support, liquid glass and gradient accents — a truly native feel. — OFFICIAL APIs AND THIRD-PARTY GATEWAYS — Native support for both Chat Completions and Anthropic (Claude) protocols. Connect directly to DeepSeek, Kimi, MiniMax, Zhipu, MiMo, Qwen and any other Chat Completions–compatible provider with the official endpoint and your own key. Equally compatible with third-party gateways and proxies, and you can attach custom request headers for special routing needs. One app, every model. — AUTOMATIC MODEL CAPABILITY DETECTION — A built-in capability database automatically detects whether a model supports deep thinking, vision, function calling and more, and configures the right parameters. The database updates silently from the cloud — newly released models are recognized without an app update. — VISUALIZED CHAIN-OF-THOUGHT — Full support for DeepThink, Claude Extended Thinking and similar reasoning models. Watch the reasoning scroll in real time, expand to see the full chain, and choose from 7 thinking-effort levels to balance speed and depth. — TASK-SPECIFIC ASSISTANTS — Create dedicated AI assistants for any scenario — translator, coding partner, writing coach… Each assistant has its own system prompt, sampling parameters, context length and default model. — HTML RENDERING ENGINE — A unique HTML rendering mode: AI replies can render HTML directly inline. Includes Markdown parsing and syntax highlighting for 10+ languages (Python, Swift, Go, Rust and more) — code, tables, lists and quotes all look great. — FIVE LANGUAGES — Full UI in Simplified Chinese, English, Japanese, Korean and Traditional Chinese. Defaults to your system language, switchable in Settings. — PRIVACY-FIRST, ZERO UPLOAD — All data lives on your device. Conversations go straight to the API provider you chose — no middleman server. No analytics, no ads, no tracking. Delete and it's gone, with nothing left in any cloud. — MORE HIGHLIGHTS — - Multi-conversation history grouped per assistant - Fetch the model list from the API, or add models manually - Duplicate an assistant to create variants quickly Getting started: 1. Add an API provider in Settings (official endpoint or any compatible gateway) 2. Create an AI assistant with your prompt and parameters 3. Pick a model and start chatting Note: This app requires you to provide your own API keys. It does not include or supply any AI service. — CONTACT — For feedback or questions, please email: ddchatsupport@gmail.com

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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

Version 1.4.0

The developer, 俊华 乔, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • 俊华 乔
    Size
    • 3.9 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    Languages
    English and 4 more
    • English, Japanese, Korean, Simplified Chinese, Traditional Chinese
    Age Rating
    4+
    Copyright
    • © 2026 Junhua Qiao
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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