いまココ is a lifestyle app developed by Yamareco Inc. for Android devices. It serves as a monitoring app for family and friends to keep track of the location of mountaineers. The app sends notifications when the mountaineer starts or finishes their climb. It is also the official app of "Yamareco," Japan's largest mountain social networking service.

To use いまココ, mountaineers will need to have the "Yamareco" app installed on their devices. The process is simple and can be completed in just two steps. First, users need to obtain an authentication code from the settings screen of the Yamareco app. Then, they can set the authentication code in いまココ.