Ensuring messaging consistency across all phases of an influencer campaign can be challenging but is achievable with a well-structured plan.

1. Clear Brief: Give your influencers a clear, detailed brief including the campaign objectives, brand values, key messages, and target audience. Ensure they understand the brand voice and how to represent it in their content.

2. Choose Right Influencers: To maintain brand consistency, it’s critical to collaborate with influencers whose image and audience align with your brand. Use audience analytics tools to gain deployment insights.

3. Review Content Early: Implement a review process to ensure alignment before any content is posted. Platforms like Flinque provide features for collaborative content review.

4. Regular Communication: Regular check-ins ensure that key messages and brand values are being effectively conveyed throughout the campaign.

5. Utilize a Platform: Using a platform like Flinque helps in managing campaign workflows, and reviewing and approving influencer content, ensuring it aligns with your brand messaging.

6. Metrics Monitoring: Monitor key metrics to ensure the campaign is reaching the target audience and conveying the correct brand messages. Platforms like Flinque offer comprehensive performance tracking tools for this purpose.

Lastly, do post-campaign evaluation. Reflect on what worked, what didn’t, and how you can improve your brand consistency in your next campaign. Always remember, clear communication and making sure your influencers are resonating well with your brand ethos are key to maintaining consistency.

Every platform has its unique approach and features- choosing the right one largely depends on your specific needs. The aim is to ensure your brand voice is consistently presented throughout the campaign, irrespective of who the influencer is or what phase the campaign is in.