| Price from | $4.17/mo | $69/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 7 | 3 |
| Spec score · Sales Engagement Software | 8.8 (#6) | 8.0 (#22) |
| Spec score · Cold Email Software | 9.0 (#4) | 8.2 (#12) |
| Spec score · Email Scheduling Software | 9.0 (#6) | 8.1 (#12) |
| API | Klenty documents a REST API that uses a unique API key and JSON as its primary data format. | The REST API is included with the Growth plan and higher tiers. |
| Headquarters | California | Brussels, Belgium |
| Intended users | Klenty presents its plans for sales teams, including teams scaling personalized email outreach and mature SDR teams consolidating outbound tools. | Overloop describes Starter as for individuals, Growth for growing teams and Enterprise for large teams. |
| Product | Klenty describes itself as a sales engagement platform built for phone-first SDR teams. | Overloop helps find B2B prospects, get contact details and run personalized email and LinkedIn outreach sequences. |
| Security | Klenty’s pricing FAQ says the platform is SOC 2 Type II certified and GDPR-compliant. | Overloop says it encrypts data in transit with TLS and uses Cloudflare for DDoS protection. |
| Support | The pricing FAQ says customer support is available 24/5 and responds within 2.5 minutes. | Starter and Growth include chat support; Enterprise includes priority chat and email support and a dedicated Customer Success Manager. |
