An influencer marketing platform can significantly aid in optimizing your budget allocation for influencer campaigns in the following ways:

1. Audience Insights: These platforms provide key audience demographics and psychographics of influencers. By knowing who the influencer’s audience is, you can tailor your budget to target the right influencers with the right audience.

2. Content And Engagement Analysis: By evaluating an influencer’s content and the engagement it generates, you can estimate the potential ROI of your campaign with them.

3. Comparison Tools: Platforms may offer tools to compare different influencers based on their costs and predicted campaign performance. This feature can help you make informed decisions on where to allocate more or less budget.

4. Campaign Performance Tracking: Once your campaigns are live, influencer marketing platforms can track the performance in real-time. This can help you adjust the budget allocation during the campaign for maximum results.

For instance, Flinque offers robust functionalities like accurate audience analytics, performance tracking, and engagement measurement. Its system is designed to facilitate informed decision-making; however, each brand or agency should evaluate their needs to ascertain its suitability.

There are other platforms like Later, AspireIQ, and Popular Pays that also offer these functionalities. Each platform has its strengths, so it’s essential to evaluate them based on your specific campaign needs and objectives.

Remember, the success of budget allocation in influencer marketing largely depends on the proper utilization of these insights and tools for accurate and informed decision-making.