Measuring the return on investment (ROI) for influencer marketing campaigns within a platform like Flinque usually involves a series of steps, primarily revolving around the analysis of specific metrics:

1. Campaign Tracking: Use campaign tracking features to monitor the progress of your campaign. Campaign tracking allows you to keep tabs on likes, shares, comments, and views each influencer-generated content is getting.

2. Audience Analytics: Utilize audience analytics to gain insight into the audience that is interacting with your campaign. Information such as audience demographics (like age, gender, and location), engagement rates, and sentiment analysis are crucial.

3. Conversion Tracking: Monitor conversion rates closely. This can be achieved through unique promo codes or affiliate links given to influencers, or by integrating your e-commerce platform with the influencer marketing platform if the feature is available.

4. Profit Indicator: Calculate the revenue generated from each campaign and compare it with your initial investment. This will help you determine the financial ROI of your influencer marketing efforts.

Other platforms like Grin or AspireIQ may use varying approaches depending on their capabilities and specific targeting. Some may provide in-depth audience interest analysis, while others might focus more on click-through rates and direct conversions. The suitability depends on your needs and the specific objectives of your campaign.

Overall, the steps to determining ROI involve setting clear KPIs before the campaign, tracking the appropriate metrics during the campaign, and doing a comprehensive data analysis after the campaign. By analyzing these metrics, you can determine if your influencer marketing strategy is translating into real business results.

Remember, it’s important to have a comprehensive understanding of your brand’s goals for the campaign, as this will guide you in determining which metrics are most important to track and monitor.