The useSend alternative
with automation
Plunk and useSend are both open source and send through Amazon SES. Plunk adds event-triggered workflows and segments that update themselves, and Plunk Cloud stores your data in the EU.
How Plunk differs from useSend
Trigger
Contact signs up
Send email
Welcome to Acme
Delay
Wait 3 days
Workflows, not just sends
Onboarding, trial and win-back sequences with triggers, delays and conditions, started by the events your product already tracks.
Segment
Pro customers
Plan is Pro
Segments that keep up
Audiences built from contact data and email activity that update as contacts change, ready for campaigns and workflow triggers.
Data location
Germany, EU
DPA included
Hosted in the EU
Plunk Cloud stores contacts and email history in Germany, with a DPA included. Or run the same open-source code yourself.
Which one is right for you?
Choose Plunk if
- You want automated sequences triggered by product events
- You want segments that update themselves for campaigns and workflows
- You need your data stored in the EU without running it yourself
Choose useSend if
- You mostly send transactional email and want the lowest price per email
- A larger free tier matters more than automation
- You want typed SDKs for TypeScript, Python, Go or PHP
Feature by feature
| Feature | Plunk | useSend |
|---|---|---|
| Free tier | 1,000 emails/month | 3,000 emails/month |
| Paid pricing | $0.001 per email | $0.0004 transactional, $0.001 marketing |
| Monthly minimum | None | $10 |
| Open source | AGPL-3.0 | AGPL-3.0 |
| Self-hostable | ||
| Transactional emails | ||
| Marketing campaigns | ||
| SMTP | ||
| Workflow automation | ||
| Dynamic segments | ||
| Cloud data stored in the EU | Not stated |
Frequently asked questions
Open source email, with automation included.
Start on the free plan with 1,000 emails a month, no credit card needed. When you need more, every email is $0.001, with unlimited contacts and every feature included.