Contact and FAQ for the KAIRAKU app
Q. Which devices are supported?
iPhone / iPad with iOS 13.0+ and Android devices on API level 21 (Android 5.0) or higher.
Q. Is the app paid?
No. The app is free, with no in-app purchases, subscriptions, or paid content unlocks.
Q. Does it work offline?
All features except ads work offline.
Q. Can it be used in education settings?
Yes. Feel free to use it in schools, tutoring, or self-study.
Q. How accurate are the simulations?
Content uses textbook-level simplified models (thermohaline circulation, Ekman spirals, tidal forcing, shallow-water breaking, etc.). It is not intended for actual navigation, fisheries, disaster planning, tide prediction, or environmental impact assessment — please consult authoritative sources and observational data.
To help us resolve issues quickly, please include:
KAIRAKU is a visual-first oceanography education app covering 9 topics — ocean conveyor (thermohaline circulation), Ekman spiral, vertical T/S profile, hydrothermal vents, marine food web, phytoplankton bloom, tides, wave refraction and breaking, and coral bleaching.
Version: 1.1.0