AI doesn’t have to be hard. Mugen AI helps you translate, summarize, polish writing, and spark ideas—simply, with a tap.
AI power, made simple for everyone. With Mugen AI, advanced AI is easy to use—no specialist knowledge required.
Mugen AI is an assistant app designed so anyone can experience the value of AI in a simple form. You don’t need to study prompts. Choose options and tap a button, and AI starts working for you right away.
It includes more than 10 practical AI tools—translation, summarization, proofreading, Q&A, style conversion, idea generation, and more—so it can support your words and thinking like a helpful assistant by your side.
For example:
* Translation: Freely combine languages, from English and Japanese to French, Dutch, German, Tagalog, and more.
* Summarization: Long text becomes clear and compact as AI captures the essentials.
* Proofreading: Polish your writing from many angles with an AI eye for expression.
* Style conversion: Change the tone of the same content to match the impression you want.
* Idea generator: Break through creative blocks with fresh inspiration for planning and brainstorming.
These are only a start. Mugen AI brings together practical know-how so more people can discover what AI can do. Download Mugen AI and try a simpler way to use AI in everyday life.
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Mugen AI has been rebuilt with the latest development tools for iOS 27, with refinements to display and interaction stability.
Display and interaction on iPad
We’ve verified display and interaction across a range of window sizes and layouts when multitasking on iPadOS 27. We’ve also refined navigation when switching from the information screens to the app’s tools.
Share your feedback
About Mugen AI now includes an invitation to share your experience with iOS 27 and iPadOS 27. We’d welcome your feedback through the contact link on that screen.
Version 1.6.1
The developer, Koichiro Kamada, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Usage Data
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
Koichiro Kamada
Size
14.9 MB
Category
Productivity
Compatibility
Requires iOS 18.0 or later.
iPhone Requires iOS 18.0 or later.
iPad Requires iPadOS 18.0 or later.
Mac Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
