Thermo: Temperature Check In is a free iPhone app developed by KHELS PREFERENS OOO. It falls under the Lifestyle category and specifically targets Health & Fitness. This app aims to help users take care of their family's health by tracking temperature changes and creating profiles for each family member.

With Thermo, users can record the daily temperature of each family member and integrate it with the Health app. The app provides a useful graph that allows users to monitor the health dynamics of their family members. The graph displays temperature ups and downs for a day or a week, helping users identify when a disease starts progressing.

Thermo also offers Apple Watch synchronization, allowing users to quickly access the app and view the last measurement on their watch. Additionally, users can check the temperature history directly on their watch.

It is important to note that before subscribing to Thermo, users should read the Privacy Policy and Terms of Use on the developer's website: [privacy-policy-link] and [terms-of-use-link].