More than three years.
Now there are more and more parents after 90. After a hard day's work, they must take their children home. The pressure of life is increasing, but the education of children can not be ignored. The society urgently needs a convenient, fast and low-threshold early education model. With the die-cutting machine of mobile Internet, early education software based on mobile APP came into being, and early education is developing in the direction of online, mobile, fragmented and community.
Therefore, the development prospect is still considerable.