Personalised email campaigns based on users' activities

Leverage your app data to create powerful email campaigns based on user activity. Onboard, educate, nurture, and convert even more effective. All that paired with great analytics.

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Things you can do with Undersend


Easily synchronize app data with Undersend

Send events user make in your app to Undersend


Segment users based on users activities and their data

Filter using many logical operators


Send email campaigns to chosen segments of users

Use your app users data in emails content


Set campaigns goals using users activities and their data

Measure the results of campaigns with advanced analytics

Sending targeted and personalized emails is easy with Undersend

Simple setup using javascript tag or API
No need for complex app logic. The setup is very simple. What you need to do is paste simple javascript code into your app and fill it with your user data.
Select users to campaigns using advanced filters
Select exactly those users that should get an email. Check as many properties and events as you want and combine them using AND/OR logical statements.
Create email sequence with simple UI editor
Define how many emails should campaign has and how many days after the campaign start they should be sent. Personalize email content with markup language so the people feel like it was written by hand.

Campaigns you can create with Undersend

Product updates
Feedback emails
Product newsletters
Testimonial requests
Many more

Advanced segmentation

Create user segments for your campaigns using advanced options

Filter users using 20+ comparison operators
Join logical statements and create advanced filters

Email editor with markup language support

Use variables and if statements to personalize larger chunks of emails

Insert and format users data using liquid language
Edit email HTML code if you need more customization

Measure Your Results

Email Analytics

Your open rates and click rates for every email. Use this data to make your messages even better performing.

Campaign Analytics

See how many of your users are entering campaigns, how many reach the end goal, and how many fail to do so.

Activation Stats

Based on your app visits and registrations, you can see how the landing page performs and the potential number of future customers.

Engagement Stats

Shows the number of users that use your app frequently and how many users you should help with using your app

4 reasons why you should use undersend right now

You are sending random and low conversion HTML emails

Users don’t like getting random messages when they don’t need them. When someone knows how to do something in your app, why should you bother him? With undersend, you will exactly know if your users did something or not and act on it.

You don't use your users' data to personalize email campaigns and email content

You app know many details about your users already. Use this information to show users that emails you write are prepared for them and that you are not sending spam. When you personalize your emails, you will increase your open rate and conversion!

You want to know how to help your users based on their interactions

With undersend, you can create email campaigns exactly for your app flow. Looking at interactions, you will know what your users should do next and guide them to do it.

You want to know what campaigns should you create for your users

There are some basic campaigns you need to have in your app. We have got some examples prepared for you so you can spend less time reinventing the wheel.

Use your app data and get better results with email marketing