Лайти: Калькуляторы и Учебник is an educational application designed for iPhone users, aiming to assist students in their studies. The app features over 300 theoretical materials, 2000 formulas, and 150 practical lessons, making it a robust resource for learning various topics. It also offers exam preparation support for standardized tests like ЕГЭ and ОГЭ, along with a collection of exams from different countries for comparative practice.

In addition to its extensive content, Лайти provides a unique feature for parents to monitor their child's progress. Notifications are sent when a student completes lessons or exercises, allowing parents to track engagement and understanding. The app also includes more than 100 calculators to help students solve complex problems step-by-step, enhancing their learning experience and comprehension.