Plunk Pricing
The open-source email platform. Pay-as-you-go: $0.001 per email above free tier.
Prices verified May 2026
Starting price
Free
Free plan
Yes
1,000 emails/month
Plans
2
Free tier included
Pricing Analysis
The free plan (1,000 emails/month) lets you test the platform before committing. It's a reasonable starting point for very small lists, though you'll likely outgrow it once your subscriber count passes the limit.
Free
Free
- ✓ 1,000 emails/month
- ✓ Transactional emails
- ✓ Workflow automation
- ✓ Campaign broadcasts
- ✓ Unlimited contacts
Best for: testing Plunk or small lists.
Most popular
Pay as You Grow
$1 /month
- ✓ Unlimited emails at $0.001 each
- ✓ Everything in Free
- ✓ No Plunk branding
- ✓ Custom domains
Best for: scaling businesses that need more capacity.
Prices shown are for the base subscriber count. Cost scales as your list grows.
Start with Plunk
Free plan available — no credit card required
Compare Plunk Pricing to Alternatives
| Tool | Free Plan | Starts At | Rating |
|---|---|---|---|
| Plunk (this tool) | Yes | Free | 3.7/5 |
| Amazon SES | Yes | Usage-based | 4.4/5 |
| Mailtrap | Yes | $15/mo | 4.8/5 |
| Postmark | Yes | $15/mo | 4.6/5 |
| Mailgun | Yes | $15/mo | 4.2/5 |
| Resend | Yes | $20/mo | 4.2/5 |
| Elastic Email | Yes | $29/mo | 4.4/5 |