Claude from Anthropic is now on iPhone: what it can do and why it competes with ChatGPT

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Claude by Anthropic — one of the world's most advanced AI assistants and a direct rival to ChatGPT — is now fully available as a native app for iPhone and iPad. With a rating of 4.7 stars from over 104,000 users in the App Store and free basic access, even a Czech user can fully utilize the power of the Claude model directly from their pocket.

Claude Comes to iOS: What Does It Mean for iPhone Users?

Anthropic, the American AI company behind the Claude language model, has made its iOS app available for free download in the App Store. It is a native application for iPhone and iPad that brings all of Claude's capabilities to the mobile environment — from writing and programming to document analysis and voice input of queries in over 100 languages.

The app requires iOS 18.0 or newer and has a size of approximately 153 MB. It is rated for users 18 and older and is available in more than ten interface language versions — Czech is not among the officially supported languages of the app, however, Claude as a model understands and responds very well in Czech.

What Can Claude Do on iPhone?

Claude's mobile app is not just a stripped-down version of the web interface. Anthropic has brought a full-fledged tool with a range of features to iOS:

  • Voice Input — dictate queries in Czech and other languages, Claude supports over 100 languages for voice input
  • Image, PDF, and Screenshot Analysis — just attach a file or photo and Claude will analyze it, summarize it, or answer questions about its content
  • Writing and Text Editing — emails, reports, social media posts, resumes, or creative texts
  • Programming — support for Python, JavaScript, React, and other languages
  • Web Research with Citations — Claude can search for current information and cite sources
  • Integration with Google Drive, Gmail, and Calendar — direct connection with Google for working with documents and planning
  • Cross-Device Synchronization — start a conversation on your phone, continue on your computer or the web

Claude vs. ChatGPT on iPhone: What's the Difference?

Claude's arrival on iOS means a direct confrontation with ChatGPT, which has been available on iPhones since 2023. Both assistants offer a free basic tier with the option of a premium subscription, but they differ in approach and strengths.

ChatGPT (OpenAI) has a longer history on iOS, a more developed plugin ecosystem, and the GPT Store. In contrast, Claude excels in working with long documents — the Claude 3.7 Sonnet model can handle a context window of up to 200,000 tokens, which is significantly more than most competitors. Users appreciate the clarity and factual accuracy of its responses. Testing of AI assistants in the creation of healthcare materials, highlighted by research published in professional media, showed that Claude achieves comparable or better results than ChatGPT in areas requiring precision and factual accuracy.

Claude's key advantage is its safety philosophy — Anthropic has been focused from the outset on "Constitutional AI," an approach to model training that emphasizes safe and predictable behavior. For corporate use and working with sensitive data, this is a significant difference.

Pricing: How Much Will You Pay for Claude on iPhone?

The app is available for free download, and the free tier allows basic usage. For more intensive use, Anthropic offers these payment plans (prices from the App Store):

  • Claude Pro — 20 USD/month (or 214.99 USD/year), approximately 475 CZK monthly. Includes priority access, more messages, and access to the latest models
  • Claude Max 5x — 124.99 USD/month, five times the limit of Pro, designed for demanding professional users
  • Claude Max 20x — 249.99 USD/month, for those who work with Claude very intensively

The comparable price for ChatGPT Plus is 20 USD/month, thus at the same level as Claude Pro. Free versions of both tools are available without registration, but with a limited number of queries.

Availability for Czech and Slovak Users

Claude is available for download in the Czech App Store without geographical restrictions. The app interface is in English, but communicating with Claude in Czech works very well — the model understands Czech, responds in Czech, and also handles Slovak. For common use — writing emails, summarizing documents, text assistance, programming, or information retrieval — the language barrier is minimal.

Regarding the EU AI Act, Anthropic, as an American company, falls under stricter obligations when offering its services in Europe. Claude is classified as a high-capacity general-purpose AI model (GPAI), and Anthropic must therefore comply with transparency requirements, including model documentation and risk assessment. For users, this practically means they have the right to information about how the model works and how their data is processed.

How to Get Started?

Just search for "Claude AI by Anthropic" in the App Store or go directly to claude.com/download. After downloading, sign in with your email or Google/Apple account, and you'll have immediate free access. For professional use, the Claude Pro plan at 20 USD/month is a comparable alternative to ChatGPT Plus.

With a rating of 4.7 out of 5 and over 104,000 reviews, Claude is among the highest-rated AI apps in the App Store — users particularly praise its reliability (minimum crashes), clear interface, and the quality of responses to complex queries.

Is Claude available in Czech on iPhone?

The Claude app interface on iOS is in English, but the model itself understands and responds in Czech. You can write to it in Czech and receive answers in Czech — support for Czech as a communication language works reliably. Voice input handles over 100 languages, however, Czech may not be fully supported in all functions among them.

How does the free version of Claude differ from the paid version (Claude Pro)?

The free version allows basic usage with a limited number of messages per day. Claude Pro, at 20 USD/month, provides priority access even during peak times, access to the latest and most powerful models (like Claude 3.7 Sonnet), significantly higher message limits, and extended capabilities for working with documents and code.

Is Claude safe for working with corporate or personal documents?

Anthropic is intensely focused on data security and privacy — as a company, it stands on the principles of "Constitutional AI" and safe development. Conversation data is not used by default to train models for subscribed users. Nevertheless, when working with sensitive corporate documents, we always recommend reviewing the current privacy policy, which can be found at anthropic.com.