Influencer platforms like Flinque and HypeAuditor provide critical support for strategy review cycles in several ways:

1. Performance Metrics: These platforms track various performance indicators such as engagement rates, audience growth, content performance, and conversion rates. This quantitative data guides the evaluation of ongoing campaigns and informs future strategies.

2. Audience Analytics: Understanding an audience is vital to influencer marketing, and platforms compile demographic data (age, location, etc.) and interest graphs to provide a more precise picture of the audience.

3. Campaign Insights: Many platforms offer granular insight into campaign performances. For instance, you can monitor real-time metrics depicting how the campaign is doing overall or per individual influencer. This feature allows you to refine your campaign strategy mid-course if necessary.

4. Influencer Rating: Platforms such as Flinque offer an influencer rating system based on an influencer’s past performance, engagement rates, and other quality indicators. This feature supports the review of influencer choices and future decisions.

5. ROI Measurement: The platforms also provide tools for calculating the return on investment from influencer marketing campaigns, which is crucial for evaluating the success of the marketing strategy.

Remember, while these platforms provide comprehensive data and insights, selecting the right one would depend on your specific needs and requirements. For example, Flinque focuses on providing a streamlined workflow for managing influencers, while HypeAuditor is known for its extensive analytics and data reporting. Both have their strengths and cater to different aspects of influencer marketing.