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Head to head · 2026

Duck.ai vs KnowItAll AI Chat

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Duck.ai

Private AI chat from DuckDuckGo with several models and no account needed

4.3Free

Visit Duck.ai (opens Duck.ai in a new tab)

KnowItAll AI Chat

IPhone chatbot and writing assistant giving access to Claude, ChatGPT, Gemini and Grok from one app,…

3.7Free

Visit KnowItAll AI Chat (opens KnowItAll AI Chat in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Duck.ai does not list a price

  • Free plan

    Tie

    Both have one

  • Higher rating

    Duck.ai

    4.3 against 3.7

  • Same job?

    Yes

    Both are Chatbots tools

Side by side

Compared onDuck.aiKnowItAll AI Chat
Our rating4.3Better3.7
Starts atFreeFree
Free planYesYes
CategoryChatbotsChatbots
Plans
  • Free$0
  • Plus$9.99 per month or $99.99 per year
  • Pro$19.99 per month or $199.99 per year
Free
Key features
  • Chat with several AI models from different providers in one interface
  • No account needed to start chatting
  • Requests are anonymized: DuckDuckGo removes identifying data such as your IP address before sending them to providers
  • Providers are contractually barred from training on your chats
  • Free tier with daily usage limits that vary by model
  • Access to Claude, ChatGPT, Gemini and Grok from one app
  • A 4.7 out of 5 App Store rating from 1,500-plus ratings
  • Updated as recently as December 2025
  • Free to download
Pros
  • Genuine anonymized access removes the need for separate provider accounts
  • Backed by DuckDuckGo's long-standing privacy reputation
  • Model choice lets users compare several options in one place
  • A single app instead of switching between four provider apps
  • A solid, verifiable App Store rating and review count
Cons
  • Daily message limits on the free tier restrict heavy use
  • Fewer advanced features than going directly to a provider's own app
  • Model selection depends on which providers DuckDuckGo currently partners with
  • A third-party wrapper, not an official app from any model provider
  • iPhone only, with no web or Android version
  • The marketing site itself gives almost no detail beyond the App Store listing
CompanyDuckDuckGo, founded 2008Andrew Lee Ventures LLC

Prices come from each vendor's pricing page, last checked 20260923. Check the vendor before you buy.

FAQ

Questions people ask

Is Duck.ai better than KnowItAll AI Chat?

In our reviews Duck.ai scores 4.3 and KnowItAll AI Chat scores 3.7. The better pick depends on the job. Duck.ai: Private AI chat from DuckDuckGo with several models and no account needed. KnowItAll AI Chat: IPhone chatbot and writing assistant giving access to Claude, ChatGPT, Gemini and Grok from one app, free to download.

Which is cheaper, Duck.ai or KnowItAll AI Chat?

Duck.ai: free. KnowItAll AI Chat: free.

Do Duck.ai and KnowItAll AI Chat have free plans?

Yes, both have a free plan.

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