Claude by Anthropic

Claude lands on iOS as a genuinely capable thinking tool rather than a simple chatbot. Built by Anthropic and carrying over 187,000 ratings averaging 4.72, the free app covers writing, coding, and research in a single interface. At 195 MB it is not a lightweight download, and in-app purchases suggest a paywall exists somewhere behind the free tier. Still, for day-to-day intellectual heavy lifting on a phone, it punches well above most competitors in this category.

Where It Actually Delivers

The coding assistance is the standout. Claude does not just fix a syntax error and move on. It explains the reasoning behind a suggested change, which makes it genuinely useful for someone learning Python or debugging a JavaScript problem without a laptop nearby. Writing support follows the same pattern, working iteratively rather than dumping a single rewrite on you and calling it done. That back-and-forth quality separates it from tools that treat every prompt as a one-shot transaction.

The Free Tier Question

The app is listed as free with potential in-app purchases, and that ambiguity matters. Users who hit usage limits mid-session will find the friction real. The 195 MB install size also signals this is not a stripped-down companion app. It was first released in May 2024 and has received consistent updates through mid-2026, which is a positive sign for long-term reliability, but new users should go in knowing the full feature set likely requires a paid plan.

Who Should Install It

Developers, writers, and students who regularly need a reasoning partner rather than a search engine will get the most out of Claude. It is less suited to users who want quick, transactional answers and more suited to those comfortable having a longer conversation to work through a complex problem. The broad language support across coding environments and the writing refinement loop make it a practical daily driver for knowledge workers who spend time on their phones.