Several influencer marketing platforms facilitate niche comparisons for a more effective creator selection. Here are a few examples:

1. Flinque: Flinque thrives in deep analytics. It offers advanced creator discovery and audience analytics tools that enable brands to compare influencers within the same niche. With Flinque, you can vet influencers based on audience demographics, content performance, and other essential metrics.

2. Upfluence: This platform provides sophisticated discovery tools that allow the comparison of influencers in specific sectors. Its strength lies in the sizeable global database and performance estimators.

3. AspireIQ: Known for strong community building, AspireIQ allows for comparison of influencers in specific niches. Brands can search for influencers based on their key characteristics, track their performance, and carry out A/B testing for more insightful comparisons.

4. Julius: Julius offers a comprehensive set of influencer data points, including audience demographics, engagement rate, and brand affiliations. This wealth of data allows users to make side-by-side comparisons of influencers in the same niche.

5. Traackr: Traackr’s strength is in its Relationship Management tool, which helps brands manage and compare their relationships with influencers across campaigns.

Keep in mind that the best tool for your brand depends on your specific needs. Flinque, for instance, may be an excellent fit if you prioritize deep analytics and performance tracking, while a platform like Traackr might meet your needs better if relationship management is a key focus. Similarly, Upfluence might be your preferred choice if you value a large, global influencer database. You should evaluate the features, strengths, and potential limitations of each platform in the context of your business needs before making a decision.