Limoo's Persian calendar app, تقویم فارسی لیمو ۱۴۰۱, provides users with a comprehensive Persian calendar that includes all official and ancient Iranian holidays, as well as Islamic prayer times and Qibla direction. The app also features a lunar calendar and a Gregorian calendar.

The app offers a range of features, including the ability to play the Azan based on the user's geographic location, a Qibla compass, and the option to add reminders and notes. Additionally, users can access a daily Quranic verse, Persian poems and stories, and even Hafez's fortune-telling feature. The app also includes a collection of Persian proverbs and sayings and a dark and light theme for an improved user experience.