雨雲くん by hidehiko aihara






10+ similar apps compared and reviewed
Whether you want more options like 新潟県防災ナビ ー新潟県公式防災アプリー or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






















Access detailed hazard maps for flood and landslide risks. Quickly find links to official maps from local governments across Japan, covering various disaster types and areas. Stay informed about potential dangers in your vicinity.






Access real-time river conditions and weather forecasts across Japan. View over 10,000 river locations on a map and check detailed precipitation, temperature, and snow data. Stay informed about weather changes to prepare for heavy rain and other natural events.




Get real-time rain cloud information for the entire country, with forecasts up to 13 hours ahead. Easily check daily weather, precipitation intensity, and severe weather alerts. Access detailed meteorological data and radar imagery for informed planning.