Claude by Anthropic for iPhone is the mobile app for the Claude AI assistant. It is useful to keep close at hand for long-form writing, files, code, editing, and calmly working through complex tasks.
Long texts without the hassle
Claude stands out when you need more than a short answer and want to work through structure: an email, report, script, summary, research, or a piece of code. On iPhone, it becomes a quick editor and thinking partner for ideas.
Strong use cases on your phone
The app is useful for editing drafts, explaining documents, preparing talking points, and writing careful messages. When a task requires a clear tone and coherent logic, Claude is often more convenient than random chatbots from the App Store.
Limitations
Feature availability and limits depend on your region, app version, and plan. For large-scale image generation, it is better to choose another tool and keep Claude for text, analysis, and reasoning.

