The new HubSpot and Marketo apps from Intercom aim to improve lead nurturing and conversion by syncing customer data across multiple tools, allowing sales and marketing teams to access a complete view of every lead's journey with their company. The apps enable seamless data synchronization between Intercom and these tools, making it easier for teams to track leads, follow up with them faster, and increase revenue. By automatically qualifying new leads, sending them to the right tool, and providing real-time context, the apps help businesses make the most of their customer data and drive more conversions.