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LINE Yahoo launches iOS app for Agent i AI assistant

LINE Yahoo has begun offering an iOS app for its Agent i assistant on smartphones and tablets. The app adds home-screen widgets and notifications linked to Agent i tasks, while specialized agents now cover 40 areas, including beta versions.

AI.info Team · Written with AI · fact-checked · 2026-11-10

LINE Yahoo has begun offering an iOS app for its Agent i assistant on smartphones and tablets, adding a dedicated way to open the service and receive task notifications. The app was announced in a Japanese-language release on Nov. 10 and can be launched with one tap from a device’s home screen. An Android version is planned for later.

A dedicated app for Agent i

Agent i had previously been available through LINE and Yahoo! JAPAN. The new app retains the assistant’s existing features and specialized agents, with an interface that LINE Yahoo says is intended for use on smartphones and tablets.

Users can sign in with either a LINE account or a Yahoo! JAPAN ID. Some features are available without signing in, but free-form input in the app requires one of those accounts. People under 13 are advised by LINE Yahoo not to use Agent i.

Widgets and task alerts

The app’s widgets can open a new chat, image input or voice input from the device’s home screen. It also adds notifications connected to Agent i’s task feature.

Users can register keywords for continuing updates, and tasks can also surface information such as product price drops and event announcements. When a task finishes, Agent i displays a notice on its top screen; if the notice remains unread, the app sends a notification.

More specialized agents

The service now has agents for 40 areas in total, counting beta versions. A fandom-focused agent organizes information about users’ favored artists or characters, including news, events, tickets and merchandise.

The fandom agent is intended, LINE Yahoo says, to make that information easier to find and help users spend more time enjoying their interests. It began offering the agent on Sept. 24, and the range of artists users can select is planned to expand.

Service background and limits

Agent i began service in April 2026. LINE Yahoo describes it as a new brand combining Yahoo! JAPAN’s AI Assistant and LINE AI, and the company plans to add features and expand its specialized agents.

The feature uses Gemini Enterprise Agent Platform, formerly Vertex AI, or OpenAI’s API. LINE Yahoo also says it does not guarantee the reliability, accuracy, completeness or validity of answers and images generated by the service.