Hero design

It's time to stop manually QA'ing your emails.

Ditch the you+test999@email.com strategy and make sure your users really are getting the emails you think they are.

Keep your subscribers, reduce churn, preserve revenue, and get your user journey right — every time.

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Farewell to broken links, missing images, and {{placeholders}}

No more embarrassing content mistakes. Get notified whenever your emails aren't working correctly with real-time monitoring.

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Visualize your users' inbox

Every email in your sequence is laid out on an infinite canvas, so you can collaborate with your team, make notes, and review your work with stakeholders.

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Deliverability checks
for every email

Your messages are verified for SPF, DKIM, and DMARC approval on every send to maximize deliverability.

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Preview your emails across devices

Review your email sequences with screenshots across various screen sizes.

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Spin up new inboxes on-demand

Create multiple personas for your campaigns and verify they're seeing the content they should be.

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Make sense of your UTM parameters

Find what UTM parameters are being used in your emails and where.

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Keep an eye on the competition

See how your competitors are engaging with their users and get inspiration for your own campaigns.

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Content recommendations
from industry vets

Your email subject + content is automatically reviewed and graded for effectiveness. Get actionable advice for improving your messaging.

Start for free. Pay as you grow.

Free

$0/mo

Pro

$149/mo

Enterprise

Let's talk

Senders

Number of domains you can receive emails from

15

Recipients

Number of inboxes you can create per sender

1100

Inbox expiration

How long your inboxes can receive email for

14 days

Content reviews

Automatic recommendations for every email

Link monitoring

Detect broken links on every send

Image monitoring

Detect missing images on every send

Deliverability checks

Pinpoint issues with email sender configuration

Team collaboration

Review your inboxes in a multi-cursor environment

Device screenshots

Instant previews for email appearance on multiple screen sizes

Share your artboard

Protected links to share and communicate with stakeholders