OiTrオイテル is a free Android app developed by OiTr Inc. that aims to improve the quality of life by reducing the burden of menstruation and promoting gender equality. The app provides a smart dispenser of menstrual products, which can be accessed by simply approaching the dispenser with the app open. The app is easy to use and does not require any registration for the first use. However, users need to register to access more than one product. The app allows users to use seven free menstrual products per month, which can be reset every 26 days. The app also recommends users to change the product every two hours for better hygiene.

The app is a useful solution to the social problem of gender inequality in the wellness sector. The app provides a practical and efficient way of providing menstrual products to those who need them. The app's smart dispenser is a hygienic solution that ensures users do not have to touch the dispenser to access menstrual products. The app's approach of providing menstrual products through smartphones is innovative and shows how technology can be used to solve social problems.