portal.3 is a productivity app developed by Katsutoshi Hamana.
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App Information
portal.3 is freely available from the App Store. The app size is 76.72 MB. The latest version available is 1.1.0. The last update was on October 29, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since June 2026.
portal.3 is made and published by
Katsutoshi Hamana.
AppBrain is an independent app data site and isn't affiliated with Katsutoshi Hamana.
The app name, icon, screenshots and description belong to Katsutoshi Hamana and are shown as published on the App Store.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.