Brand
Buffer
Subject line
Quick feedback?
Use case
Onboard Free UserTags
About this email
This is a post-trial SaaS email from Buffer designed to inform the user that their trial period has ended and they have been moved to a free plan with limited features. The email invites feedback on why the user chose to remain on the free plan, encouraging replies to directly share insights with the product team. The structure includes a friendly greeting, clear subscription details, a feedback request, a call to upgrade to paid plans, and multiple social media and resource links, maintaining a casual and appreciative tone throughout.
Buffer journey
Why this works
**Why this works.** The subject line "Quick feedback?" frames the ask as a favor to Joel (not to Buffer), so users reply to help a person, not feed corporate research, which dramatically increases response rates on post-trial emails where defensiveness runs high. The pattern here is "name the beneficiary as a human, not the company"; you can lift it for any retention or churn-risk email where you need qualitative data and want users to feel like collaborators rather than research subjects.
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