Quick meaning
A business model where the basic app is free but advanced features require payment.
Think of it like this
Like a free bus ride to a destination but paying for a more comfortable seat.
Where you may see this
You may see this inside app stores, app settings, software updates, and install instructions.
Why it matters
Knowing the term helps you understand what an app is asking you to do before you tap, install, or change anything.
Say it simply
Freemium means: A business model where the basic app is free but advanced features require payment.