| Price from | $4.17/mo | $7/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| API | Yes | — |
| Plans published | 7 | 6 |
| Spec score · Email Tracking Software | 9.0 (#10) | 8.1 (#20) |
| Product | Klenty describes itself as a sales engagement platform built for phone-first SDR teams. | Outsolvi provides confidence-scored email open tracking across Outlook and Gmail for account executives. |
| Security | Klenty’s pricing FAQ says the platform is SOC 2 Type II certified and GDPR-compliant. | The pricing page states that data is encrypted with TLS 1.3 in transit and AES-256 at rest, and that export and deletion are available on request. |
| Support | The pricing FAQ says customer support is available 24/5 and responds within 2.5 minutes. | Published plans include help-centre and email support; the Help Center says its support team aims to reply within 24 hours. |
