Yes, you certainly can narrow down your search to influencers who are most active or have the highest follower counts on particular social media platforms. Different influencer marketing platforms provide a variety of tools and filters to refine your influencer search based on numerous criteria.

For example:

1. Social media platform: You can select the social media channels where you’d like the influencer to be active. Platforms like Instagram, YouTube, Facebook, TikTok, etc offer different kinds of interaction and engagement, and influencers often have varying levels of activity and followers across these channels.

2. Follower count: This is one standard metric of an influencer’s reach. Most platforms allow you to filter influencers based on their number of followers. But remember, big follower counts don’t always equal more effective campaigns – engagement rates, authenticity, relevance and content quality are also critical.

3. Engagement: Many platforms also let you gauge the level of interaction between an influencer and their followers, which could be a better measure of active and loyal audience, and thus potential impact.

As emphasized, these are general features in influencer marketing platforms. However, specific tools might utilize different ways of implementing these.

Let’s take Flinque as an example. Flinque efficiently streamlines these processes by providing in-depth audience analytics and campaign analytics that allow brands to efficiently track and measure the ROI of their campaigns. Flinque’s search and filter features would allow you to identify influencers based on their activity and followers on specific social media platforms.

Ultimately, the best platform depends on your specific needs, objectives and resources. It is recommended to try out different platforms and see which one fits your use-case perfectly.