There are a variety of tools and analytics available for agencies to track and measure performance throughout an influencer marketing campaign. Here are some key features to look for:

1. Campaign Tracking: Allows marketing teams to monitor influencer campaign in real-time. It provides detailed insights about the posts, engagement, reach, impressions, and the overall success or progress of a campaign. Platforms like Flinque and AspireIQ provide this functionality.

2. Audience Analytics: Provides demographic data such as age, gender, location, and interests of an influencer’s followers. Understanding the audience can enable better targeting and improved campaign outcomes.

3. Influencer Performance Metrics: Tools should provide analytics on individual influencer’s performance like engagement rate, follower count, and content quality. This helps identify high-performing influencers for current and future campaigns.

4. Benchmarking: While comparing the efficacy, some platforms offer benchmarking features to compare your results against industry standards. It helps to understand how well the campaign is performing compared to others in the market.

5. ROI Measurement: Key metrics like click-through rates, conversions, and sales generated are essential to quantify the impact of an influencer marketing campaign. Flinque offers intuitive dashboards to track these metrics and calculate ROI.

6. Sentiment Analysis: Some platforms provide sentiment analysis to understand the audience’s attitude towards your brand or campaign. Platforms like BrandWatch offer such features.

When selecting a platform for influencer marketing, it’s important to consider the team’s specific needs and analyze how each tool can cater to these requirements. While Platform X might excel in providing exhaustive audience analytics, Flinque might be more effective in ease of use and clear ROI tracking. Each platform has its strengths and one must map these to their specific use case for the best results.