The Kit alternative
priced per email
Kit, formerly ConvertKit, is built for creators and charges by subscriber count. Plunk charges only for emails sent, stores contacts for free, and sends transactional email from the same account.
How Plunk differs from Kit
October usage
- 48,210 contacts
- Free
- 10,000 emails sent
- $10.00
Pay per email, not per subscriber
Kit’s free plan stops at 10,000 subscribers and leaves out automations, and paid plans rise with every subscriber. Plunk stores contacts for free and bills only for emails sent.
Password reset
To ana@acme.com · 2m ago
Receipt #3980
To tom@acme.com · 9m ago
Transactional email included
Send password resets and receipts through the same API as your newsletters. Kit does not send transactional email.
Open source, and yours to host
Plunk is AGPL-3.0 licensed and runs on your own servers with Docker if you want it there. Kit is proprietary and cloud-only.
Which one is right for you?
Choose Plunk if
- You send email from your product and want an API for it
- You want receipts and newsletters from one platform
- You have a large list that you only email now and then
Choose Kit if
- You need landing pages and forms built in
- You sell courses or digital products to your audience
- You want a visual tool made for non-technical creators
Feature by feature
| Feature | Plunk | Kit |
|---|---|---|
| Pricing model | Pay per email | Pay per subscriber |
| Target audience | Developers | Creators/marketers |
| Open source | ||
| Self-hostable | ||
| Transactional emails | ||
| Marketing campaigns | ||
| Workflow automation | ||
| Landing pages | ||
| Product selling | ||
| Built for | Product email | Creator audiences |
Frequently asked questions
Stop paying for subscribers you rarely email.
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.