Userlens

Userlens is a customer adoption and retention engine for product-led growth and product teams, and Lumi is its adoption agent. It connects your backend database and product analytics, builds profiles of every account and person, and sends personal email or Slack nudges grounded in each person's own usage. A human approves each campaign's goal, audience, tone and guardrails, and a scoreboard shows whether the intended adoption behavior moved. It is built for B2B SaaS product and PLG teams.

Lumi works by bringing together backend data such as Postgres with behavior from tools such as PostHog, Mixpanel or Amplitude. You create reusable definitions for activation, engagement and account health, and Lumi builds living profiles of every account and person. Frequency caps, quiet hours, never-contact flags and skip-if-unsure rules are enforced before anything is sent, with a kill switch for oversight. Example campaigns cover trial conversion, feature launches and retention.

Pricing is profile-based and listed in dollars, and a profile is one person or one company known to Userlens. Free is $0 per month with 100 profiles, 300 personalized emails per month and 1 active campaign. Starter is $100 per month with 10,000 profiles, 10,000 personalized emails per month and 5 active campaigns. Growth starts at $1,000 per month, billed annually, with expanded volume and priority support. Enterprise has custom volume.

Before buying, check how your volume maps to profiles, since plans are sized by the number of people and companies Lumi understands and guides. Free and Starter list PostHog and database integrations, while additional data integrations appear under Growth. Growth volume is described as expanded rather than numbered, so ask for the exact limits. Security and governance controls are listed under Enterprise. The terms are governed by the laws of Finland.