Mailjet vs OneSignal Email

Two transactional email providers, compared on price, features and ratings, so you can pick fast.

Mailjet wins developer experience and sending APIsOneSignal Email wins deliverability and support

Updated July 2026

At a glanceMailjetOneSignal Email
Entry priceFreeFree
Cost per 1k @ 100k$1.39
Free tier6,000/mo10,000/mo
G2 rating3.94.7

THE VERDICT

Mailjet wins on developer experience and sending APIs. OneSignal Email wins on deliverability and support.

Mailjet starts at Free versus OneSignal Email's Free. OneSignal Email rates higher with developers (4.7 vs 3.9 on G2). Pick based on volume and team, and the scorecard below breaks down where each one leads.

Which should you choose?

Pick Mailjet

You want email marketing and transactional sending in one affordable platform
Your team needs real-time collaborative template editing
You want an EU-based, GDPR-first email provider
You are a startup or small team integrating email into your product

Pick OneSignal Email

You already use OneSignal for push or in-app and want to add email from the same dashboard
You want a free tier to start sending marketing or transactional email
You need to manage subscribers across push, in-app, and email in one place
You want a simple setup rather than a dedicated deliverability or template platform

Feature by feature

Winner cells are tinted, green where Mailjet leads, violet where OneSignal Email does.

capability
Mailjet
OneSignal Email
Starting paid plan
$9/mo
$19/mo
Cost per 1k @ 100k
$1.39
Pricing model
Subscription
Hybrid
Overage
$1.50 / 1,000 sends
Dedicated IP
Plan-gated
Plan-gated
Deliverability tooling
Yes
Yes
Automated IP warmup
Yes
Suppression management
Yes
Yes
SPF / DKIM / DMARC
Yes
Yes
Transactional API
Yes
Yes
Marketing campaigns
Yes
Yes
SMTP relay
Yes
Inbound routing
Yes
Dynamic templates
Yes
Yes
Batch send
Yes
Yes
Scheduled send
Yes
Yes
Official SDKs
PHP, Ruby, Python, C#/.NET, Java, Node.js
Node.js, Python, Java, Go, PHP, Ruby, C#, Rust
Event webhooks
Yes
Yes
Drag-and-drop editor
Yes
Yes
Custom HTML editor
Yes
Yes
Email validation
Plan-gated
Sandbox / test mode
Yes
Open / click tracking
Yes
Yes
Analytics dashboard
Yes
Yes
A/B testing
Yes
Yes
EU data residency
Yes
SOC 2
Yes
Yes
HIPAA
No
BAA
GDPR
Yes
Yes
ISO 27001
Yes
Yes
Support channels
Email/ticket, Chat, Phone
Email, Community
24/7 support
Yes
Support SLA
Plan-gated
Plan-gated

FAQ

Common questions

Mailjet starts at Free versus OneSignal Email's Free. Because pricing models differ by tier, the cheaper option depends on your monthly volume, so compare the pricing rows in the scorecard above.

Why not both?

Use both behind one API.

Route Mailjet, OneSignal Email, or both, and switch providers without changing your code. Courier sits in front of every channel.

Pricing, plans and feature availability as of July 2026 and may change. Ratings are aggregated from public review platforms. Mailjet is a Sinch product.