More-Than-More-Then | Commonly Confused Words

More then

/mɔːr ðɛn/

Used to indicate a greater quantity or degree compared to another thing.

This word has no antonyms

Used to indicate a greater quantity, amount, or degree than something else

She wanted more than just an apology from him.The company aims for more than a 50% sales increase.This event attracted more than 5,000 visitors.

This word has no antonyms

More than is used to compare quantities or express that one thing surpasses another. Think of more than as a comparison unit.
Then refers to time or sequence, like first this, then that. It has no direct role in comparison.
Always ask if you're talking about quantity or sequence to choose the right word.