Plunk vs SendMails

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Plunk

See full pricing history

USD · US · source: www.useplunk.com

Plan	Pricing	Charged by	Offer type
Free — Free	Free Free forever 1,000 emails per month	Flat · 1,000 emails / mo	Standalone · Free
Paid — Pay as you grow Highlighted	$0.001 per email $0.001 per email	Usage · $0.001 per email	Standalone · Usage based

SendMails

See full pricing history

USD · US · source: sendmails.io

Plan	Pricing	Charged by	Offer type
Basic	USD 50 monthly $50/month	Flat · per month	Standalone · Fixed
Pro Highlighted	USD 80 monthly $80/month	Flat · per month	Standalone · Fixed
Unlimited	USD 100 monthly $100/month	Flat · per month	Standalone · Fixed

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Plunk

Free — Free

Highlights Emails per month: 1,000 emails

Included
Highlights Credit card required: No

Included
Highlights Transactional emails: Included
Highlights Workflow automation: Included
Highlights Campaign broadcasts: Included
Highlights Custom domains: Included
Highlights Click & open tracking: Included
Highlights Unlimited contacts: Included
Highlights Plunk branding on emails: Included

Paid — Pay as you grow

Highlights Emails per month: Unlimited emails

Included
Highlights Plunk branding on emails: No

Excluded
Highlights Monthly spend cap: Yes

Included

SendMails

Basic

Plan card 50,000 subscribers: Included
Plan card Unlimited email campaigns: Included
Plan card Unlimited workflow automations: Included
Plan card Unlimited lead-capture popups: Included

Pro

Plan card 250,000 subscribers: Included
Plan card Unlimited segmentation: Included
Plan card Email validation integration: Included
Plan card API integrations: Included

Unlimited

Plan card Unlimited subscribers: Included
Plan card Unlimited email campaigns: Included
Plan card Unlimited workflow automations: Included
Plan card Outgoing webhooks: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Plunk

August 27, 2026 Source
- Free — Free: Free
- Paid — Pay as you grow: $0.001 per email

SendMails

August 27, 2026 Source
- Basic: USD 50 monthly
- Pro: USD 80 monthly
- Unlimited: USD 100 monthly