| Price from | $69/mo | $1.50/mo |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 3 | 7 |
| Spec score · Email Scheduling Software | 8.1 (#12) | 7.3 (#30) |
| Buying signals | Buying signals include company changes such as hiring, executive changes and funding rounds. | Lead filters include hiring, funding, ad spend, and technology signals, with 7,500+ technologies detected. |
| Integrations | Slack, Zapier and the Chrome extension are listed as basic integrations; HubSpot and Pipedrive are included on Growth, and Salesforce on Enterprise. | The product offers direct lead and mailbox pushes to Instantly and PlusVibe, plus CSV export and Apollo and Sales Navigator connections. |
| Product | Overloop helps find B2B prospects, get contact details and run personalized email and LinkedIn outreach sequences. | SendEmAll describes itself as an end-to-end outbound platform for finding verified B2B buyers, running campaigns, and handling sending infrastructure. |
| Security | Overloop says it encrypts data in transit with TLS and uses Cloudflare for DDoS protection. | Its privacy policy says it uses TLS encryption in transit, encryption at rest, access controls, regular security audits, and per-account isolation for campaign data and lead lists. |
| Support | Starter and Growth include chat support; Enterprise includes priority chat and email support and a dedicated Customer Success Manager. | Pricing states that in-app chat support with real people during working hours is included on every plan. |