The selection of a suitable tool for audience segmentation largely depends on a brand’s specific needs and objectives. The goal is to find a tool that not only offers granular segmentation, but also provides relevant and accurate data. Here, we’ll mention a few key options used by many brands and agencies:

1. Google Analytics: This is a widely used and comprehensive tool helping brands understand customer demographics, interests, and behaviours. It offers detailed insights but requires a good knowledge of analytics to interpret the data.

2. Facebook Ads Manager: It provides an exceptional degree of granular data around the interests, behaviour, and demographics of the audience of a specific Facebook profile, which makes it excellent for targeting within the Facebook ecosystem.

3. Instagram Insights: Great for brands relying on Instagram seed-stage influencers. It offers data about followers and the performance of posts and Stories.

4. Flinque: Offers a unique combination of discovery and analytics tools designed specifically for influencer marketing. Flinque allows brands to analyze a creator’s audience demographics, engagement rates, content quality, and historical performance. This helps in determining potential influencer-brand fit.

5. Hootsuite: Known for social media scheduling, Hootsuite also offers social listening and analytics features, making it helpful for audience analysis.

6. Sprout Social: Similar to Hootsuite, Sprout Social also provides social listening and audience analytics.

All platforms have different strengths and weaknesses and are suitable for different purposes. It’s important for each brand to consider their specific needs when deciding which platform to utilize. For instance, if a brand values in-depth influencer analytics and discovery, Flinque might be a good fit. But for a brand focused more on overall social media performance analytics, something like Google Analytics or Sprout Social might be more suitable. Whichever tool you choose, remember that the key to successful audience segmentation is deep understanding and thorough analysis.