Instantly
vs
Mailjet

Instantly vs Mailjet: Full Comparison 2025

Which is right for your team? Compare pricing, features, and more.

Instantly

Cold email infrastructure for agencies

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Mailjet

Email marketing and transactional email platform

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Instantly vs Mailjet: Feature Comparison

Feature
I Instantly logo
Instantly
M Mailjet logo
Mailjet
Pricing From $37/mo Freemium
Founded 2021 2010

About Instantly

Instantly is a cold email automation platform designed for agencies and sales teams sending at high volume, with unlimited email accounts and a deliverability network to maintain inbox placement. Its AI features help personalize outreach and analyze reply intent.

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About Mailjet

Mailjet is a cloud-based email marketing and transactional email platform used by over 40,000 companies. It provides a collaborative email editor, advanced segmentation, real-time analytics, and a powerful SMTP relay for transactional emails — making it a popular choice for teams that need both marketing campaigns and developer-grade email API access.

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