Alternatives

Products that do what Customer.io does

Send email based on what people do (or don't do) in your app

1
Customer.io Actions▲206
Send messages across any channel - from push to postcards
2016
2
Dispatch▲106
Action-based email for iOS
2014
3
Respondly▲132
Team Inbox for Email & Twitter
2014
4
mlist 2.0▲116
Email newsletters, outside of the inbox
2015
5
Future Me▲105
Send an email to your future self
2014
6
Customer.io Summer Release▲142
New ways to reach customers in the moments that matter
Jul 2026 · customer.io
7
Customer.io Slack Action▲87
Send notifications into Slack, based on user activity
2016
8
ConvertKit▲264
Email marketing for authors
2014
9
Groups.IO▲94
Email Groups 2.0
2014
10
Mailchimp▲31
Send better emails to your customers
2013
11
Knowtify▲199
Send smart, automated digest emails.
2014
12
Lukewarm Emailer▲267
Build a list of people on Twitter, reach out w/ a cold email
2014
13
TextMe.io▲101
Send customers a SMS w/ tap-friendly business contact info
2015
14
Let.ter▲115
The tiny email app just for writing emails
2014
15
SendOut (for Medium)▲188
Email automation for Medium writers and publications
2017
16
Zendesk Inbox for iOS▲118
Team up on email, anywhere your team goes
2015
17
WeMail▲84
E-mail that puts people first (Android)
2014
18
Send Thanks▲132
Perfect tool to help craft the perfect thank you!
2015
19
Stitch▲67
Mobile email for salespeople
2014
20
rasa.io▲209
Send an email that won't get deleted
2021
21
Signals▲102
See who opens your email
2013
22
Iterable▲94
Smarter email marketing
2014
23
Dispatch▲73
Email parsing for sales leads
2014
24
Mailcloud▲110
A New Way to Email
2014

Ranked by how close each launch is in meaning, then by votes. Refine with a description →