Yeah, Jake Paul is more popular than Logan Paul. He's currently becoming more popular than his brother, Logan Paul; although, Logan Paul used to be the most popular out of the two. For instance, both were on Vine before coming to YouTube. Logan was more popular than Jake on Vine. There was a time he had about 9.3 million followers on Vine, while Jake had just 5.2 million followers on the same platform. But on YouTube, Jake Paul is doing perfectly well compared to his brother.
He currently has about 8.7 million followers on YouTube, while Logan's YouTube followers are just about 8.3 million. Both brothers have worked together on several occasions. The fact that Jake is having more followers than his brother is proof that he's more popular than his brother. Both are good in their respective ways, but people use to think of Jake to be more controversial than his brother, and this could also be adding to his fame indirectly.