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Compare: Brevo (formerly Sendinblue) vs ConvertKit (now Kit)
A side-by-side analysis to help you find the right tool.
Brevo (formerly Sendinblue)
Freemium
(Under $50/mo)
Free tier (300 emails/day, unlimited contacts)
View Details
ConvertKit (now Kit)
Freemium
(Under $50/mo)
Free tier (up to 10,000 subscribers with limited features)
View Details
Key Differences
Free Trial
Brevo (formerly Sendinblue)
Free tier (300 emails/day, unlimited contacts)
ConvertKit (now Kit)
Free tier (up to 10,000 subscribers with limited features)
Company Size Fit
Brevo (formerly Sendinblue)
Solo / Freelancer, Small Team (2–20), Mid-Market (20–200)
ConvertKit (now Kit)
Solo / Freelancer, Small Team (2–20)
Business Type Fit
Brevo (formerly Sendinblue)
B2B, B2C, D2C / E-commerce
ConvertKit (now Kit)
B2B, B2C
Best For
Brevo (formerly Sendinblue)
Budget-conscious businesses wanting email + SMS + basic CRM combined
ConvertKit (now Kit)
Creators, bloggers, and solopreneurs building audience-based businesses
Pros
Brevo (formerly Sendinblue)
Volume based pricing models provide significant cost savings for organizations managing large contact databases with lower sending frequencies.
Generous free tier allows early stage companies to test campaigns and build foundational marketing sequences at zero initial software cost.
Integrated multi-channel messaging capabilities span email, SMS, and WhatsApp natively within one unified platform.
Transactional email infrastructure is included directly within the core offering to support essential system notifications.
ConvertKit (now Kit)
Architecture is purpose built for content businesses rather than traditional retail operations.
Sophisticated subscriber segmentation and behavioral tagging capabilities.
Native support for digital product sales and paid subscription models.
Integrated creator network facilitates organic cross promotion opportunities.
Cons
Brevo (formerly Sendinblue)
Workflow automation builder offers fewer advanced conditional branching options compared to enterprise alternatives.
Deliverability performance has occasionally required closer monitoring during periods of high volume scaling.
User interface lacks the refined aesthetic polish found in competing market solutions.
ConvertKit (now Kit)
Email layout options intentionally favor a text centric design philosophy.
Analytics dashboard offers limited depth for advanced data modeling.
Absence of native short message service marketing channels.
What They Share
