Do not cripple the free product. If the free version is frustrating or broken, users won’t think, "I should pay to fix this." They will think, "This product is bad," and leave.
The term "Freemium" is a portmanteau of "Free" and "Premium." At its core, it is a business strategy where a company provides basic services for free to a large user base, while charging a premium for advanced features, functionality, or virtual goods. freemium keep cool
: Use a premium tier that can be opened for limited "cohort" periods. This creates urgency and prevents "burnout" of the premium offer. Do not cripple the free product