Influencer marketing platforms have developed capabilities which allow for the management of multi-channel campaigns, acknowledging the growing importance of reaching audiences on multiple platforms for a more comprehensive impact. They utilize different strategies such as channel-specific tracking, centralized planning, and analytics.

1. Channel-specific tracking: Platforms like Traackr and AspireIQ allow campaigns to be tracked across multiple influencers and various social media channels separately. This enables an in-depth understanding of how each channel is performing, helping teams make intelligent adjustments as needed.

2. Centralized Planning: Centralizing campaign activities from planning to execution is another strategy. It allows for streamlined communication, easier logistics management and eliminates the need to switch between platforms. Flinque, for instance, offers features like consolidated influencer overviews, campaign briefs, content tracking and budget tracking to manage the entire campaign process in a single interface.

3. Multichannel Analytics: Gathering and consolidating data from different channels is a cornerstone of this function. These insights help in measuring campaign performance and determining ROI. Tools like Klear and Buzzoole provide detailed campaign reports and analytics that take into account the unique KPIs of each channel.

4. Cross-Channel Promotion: Some platforms can enhance campaign reach by leveraging influencer-generated content across channels. This cross-promotion ensures a consistent brand message while expanding audience reach.

When it comes to choosing the right platform for multi-channel influencer campaigns, it depends on the specific needs of your team, your campaign goals, and your budget. It is crucial to identify a platform that not only meets your current requirements but can also scale with you as your influencer marketing efforts grow.