Plunk vs Sendloop

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 forever	Free 1,000 emails / mo	Flat · 1,000 emails / mo	Standalone · Free
Pay as you grow	USD 0 per email $0.001 / email	Usage · email	Standalone · Usage based

Sendloop

See full pricing history

USD · US · source: sendloop.com

Plan	Pricing	Charged by	Offer type
Free	Free $0/month for subscriber storage; email delivery charged separately	Flat · per month	Standalone · Free
Email delivery	USD 0.01 monthly $0.01 per email sent on the Free plan	Usage · per email sent	Standalone · Usage based
Pro	USD 39 monthly $39/month for the displayed subscriber tier	Flat · per month	Standalone · Fixed
High Volume	USD 235 monthly $235/month for the displayed high-volume tier	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 forever

Highlights No credit card required: 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

Pay as you grow

Highlights Everything in Free: Included
Highlights No Plunk branding: Included
Highlights Monthly spend cap: Included
Highlights Unlimited emails: Included

Sendloop

Free

Plan card Unlimited subscribers: Included
Plan card Unlimited lists: Included
Plan card Drag-and-drop email builder: Included

Email delivery

Plan card Campaign email delivery: Included
Plan card Unlimited subscriber storage: Included
Plan card Email-based support: Included

Pro

Plan card Autoresponders: Included
Plan card Activity-based segments: Included
Plan card Journeys and automations: Included

High Volume

Plan card High-volume email marketing: Included
Plan card Dedicated sender domains: Included
Plan card Webhooks: Included

How their prices changed

Each date shows when a public price was observed, not when it took effect. An archived region or currency can differ, so a currency change is not necessarily a price increase.

Plunk

September 21, 2026
Official pricing page
- Free forever: Free
- Pay as you grow: USD 0 per email
August 27, 2026
Official pricing page
- Free — Free: Free
- Paid — Pay as you grow: $0.001 per email

Sendloop

August 27, 2026
Official pricing page
- Free: Free
- Email delivery: USD 0.01 monthly
- Pro: USD 39 monthly
- High Volume: USD 235 monthly