| Price from | $4.17/mo | $16/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 7 | 5 |
| Spec score · Sales Engagement Software | 8.8 (#6) | 8.1 (#21) |
| Spec score · Cold Email Software | 9.0 (#4) | 8.3 (#10) |
| Spec score · Email Outreach Software | 8.9 (#5) | 8.2 (#10) |
| Spec score · Sales Acceleration Software | 8.9 (#5) | 8.2 (#10) |
| Spec score · Inside Sales Software | 8.9 (#5) | 8.2 (#9) |
| Spec score · Outreach Automation | 8.8 (#4) | 8.1 (#10) |
| Spec score · Email Scheduling Software | 9.0 (#6) | 8.3 (#9) |
| Spec score · Bdr Tools | 8.9 (#6) | 8.2 (#14) |
| Spec score · Email Tracking Software | 9.0 (#10) | 8.3 (#14) |
| Spec score · Ai E Mail Tool | 8.8 (#6) | 8.1 (#13) |
| API | Klenty documents a REST API that uses a unique API key and JSON as its primary data format. | The site links to API documentation and describes API access alongside native integrations and MCP. |
| CRM integrations | Native CRM acceleration pages list HubSpot, Zoho, Salesforce and Pipedrive integrations. | The integrations page lists two-way sync with HubSpot and Salesforce and integrations with Attio and Pipedrive. |
| Deliverability | Its deliverability suite includes domain and inbox warm-up, inbox rotation, throttling, randomization, custom tracking domains and health monitoring. | Deliverability Hub monitors mailbox and domain health and provides recommendations for improving email placement. |
| Headquarters | California | Paris, France |
| Intended users | Klenty presents its plans for sales teams, including teams scaling personalized email outreach and mature SDR teams consolidating outbound tools. | The site identifies sales reps, sales leaders, founders, and RevOps teams as audiences for lemlist. |
| Other integrations | The integrations list includes Hippo Video, Slack, Zapier, Calendly and Segment. | The integrations page lists a Chrome extension for gathering LinkedIn leads and Zapier for connecting lemlist to other tools. |
| Product | Klenty describes itself as a sales engagement platform built for phone-first SDR teams. | lemlist describes itself as an AI-powered sales engagement platform for finding leads, personalizing outreach, and running multichannel campaigns. |
| Security | Klenty’s pricing FAQ says the platform is SOC 2 Type II certified and GDPR-compliant. | The official trust center lists a SOC 2 type 2 report and controls covering areas including cloud security and data. |
| Support | The pricing FAQ says customer support is available 24/5 and responds within 2.5 minutes. | Paid plans list in-app live support, while Enterprise includes priority support and a dedicated account manager. |
| Trial terms | The 14-day trial provides access to all features, requires no credit card, and limits sending to 200 prospect emails during the trial. | The pricing page describes a 14-day trial with Multichannel features except in-app calls and 200 free credits; its call to action says no credit card is required. |