Yes, there are several tools that can help you evaluate the sentiment of your audience towards your brand during an influencer campaign. Here are few of them:

1. Social Listening Tools: These tools like Brandwatch or Sprout Social, help you monitor conversations about your brand on social media and analyse the sentiment of these conversations. This can give you an idea of how your brand is being perceived during an influencer campaign.

2. Influencer Marketing Platforms: Platforms such as Flinque offer robust analytical tools that allow you to measure the impact of your influencer campaigns. This includes audience sentiment, engagement rates, and more.

3. Google Analytics: This service helps you understand how users interact with your content and how they feel about your brand after interacting with your influencer content.

4. Sentiment Analysis Tools: Tools like Mention or Brand24 allow you to monitor brand mentions and understand the sentiment behind them.

Remember, the suitability of these tools depends on your team’s specific needs. Exploring these tools will help you determine which is most effective for your influencer campaigns.

A key strength of Flinque’s platform is its robust analytics capabilities which can be a powerful tool in understanding audience sentiment during an influencer campaign. It presents data in an actionable manner, helping brands understand the impact of their campaigns on their overall brand sentiment, based on real-world interactions with the target audience. Flinque can support your team in making informed decisions based on these insights.

As always, regular review and adjustment of your campaign strategies, according to the insights gained, are crucial for the success of any influencer marketing campaign.