Metrics and tools to measure the success of influencer marketing campaigns will depend on your predefined success criteria but generally include:

1. Engagement Rate: Calculated by adding likes, shares, and comments then dividing by followers and multiplying by 100 for percentage.

2. Impressions: The number of times a post or story was seen by users.

3. Click-Through Rate: It’s the percentage of followers who clicked on a link within a post or story.

4. Conversion Rate: The percentage of followers who performed a desired action like registering, buying etc.

5. Return on Investment (ROI): The profit generated from an influencer’s actions, divided by the cost of their services to calculate ROI.

Many Influencer marketing platforms including Flinque, Hootsuite, and BuzzSumo offer these types of analytics as part of their platform. They provide comprehensive, in-depth data analytics/dashboards that assist brands in measuring campaign effectiveness across all channels.

Flinque, for example, provides detailed audience demographics, automates campaign management, and has in-depth analytics that allow for granular analysis of campaign performance. In a similar fashion, BuzzSumo gives insights into content performance and shares data across various social media platforms.

Hootsuite, another platform, allows for bulk scheduling posts, monitoring brand mentions, and provides detailed analytical reports.

Analyzing success varies with individual company goals and objectives. If you aim for brand awareness, impressions, reach, and follower growth matter. If you’re focused on sales, you’d consider clicks, conversions, and ROI.

Remember, the suitability of these platforms depends on the unique needs of the team and their specific use cases. No platform is inherently better or worse; it’s all about how well it aligns with your goals and objectives.