Compare Heartbeat.AI vs. upcell

Heartbeat employs predictive modeling techniques to estimate the contact details of providers effectively. You can trust that the accuracy rate for cell phone numbers is around 84%, while personal emails achieve an impressive 92% on initial searches. Administrators have the flexibility to oversee all members from a single account, or each team can operate their own separate account, ensuring that data remains synchronized with your main account to prevent duplicate charges for the same contact. This streamlined access means you can manage your contacts efficiently without incurring extra costs. Unlike many list providers, who often rely on recycled or permutated business emails with only about 50% accuracy, Heartbeat focuses on delivering reliable personal cell phone and email data, which is less prone to frequent changes. Furthermore, the inclusion of cell phone numbers sets Heartbeat apart from other services that typically do not offer this valuable information. This reliability is crucial in maintaining effective communication with providers.

upcell is a lightweight Chrome extension designed to replace bloated sales platforms. It gives go-to-market teams a faster, simpler way to capture LinkedIn leads, enrich B2B contact data, and sync everything directly into their CRM and sales engagement tools. With one click, reps can export contact records and instantly route clean, enriched data to Salesforce, HubSpot, Outreach, Salesloft, and beyond—no spreadsheets, no portals, no extra steps. The problem is clear: most B2B data platforms are expensive, overloaded with features no one uses, and built around seat-based pricing that limits access across the team. Reps end up avoiding the tools altogether, while RevOps is left patching together multiple point solutions to get the coverage they need. upcell flips that model on its head. Instead of locking data behind bloated systems, it puts the workflow where reps already work—on LinkedIn—and gives RevOps full control over how data enters the funnel. Our Chrome extension supports unlimited exporting, real-time enrichment for mobile numbers and verified emails, and native integrations that don’t require IT involvement. The result: more coverage, faster adoption, cleaner data, and significantly lower costs. Whether you're consolidating vendors, replacing legacy tools, or looking to modernize your outbound motion, upcell delivers a leaner, more efficient approach to sales data—without the clutter.