GMass vs Plunk

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.

GMass

See full pricing history

EUR · US · source: www.gmass.co

Plan	Pricing	Charged by	Offer type
Standard — Individual Monthly	EUR 26 monthly · EUR 17 / month with annual commitment € 17 / month €215 paid annually	Flat · month	Standalone · Fixed
Premium — Individual Monthly Highlighted	EUR 35 monthly · EUR 25 / month with annual commitment € 25 / month €305 paid annually	Flat · month	Standalone · Fixed

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

What each plan includes

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

GMass

Standard — Individual Monthly

Highlights Works inside Gmail: ✓

Included
Highlights Send unlimited emails!*: ✓

Included
Highlights Unlimited contacts: ✓

Included
Highlights Unlimited campaigns: ✓

Included
Highlights Mail merge personalization: ✓

Included
Highlights Free email address verification: ✓

Included
Highlights Custom tracking links w/SSL: ✓

Included
Highlights Spam Solver: ✓

Included
Highlights Sequences and follow-ups: ✓

Included
Highlights API access (+Zapier): ×

Excluded
Highlights A/B testing: ×

Excluded
Highlights Triggered Emails: ×

Excluded
Highlights Inbox Rotation (MultiSend): ×

Excluded
Highlights High-priority support: ×

Excluded
Highlights Email support: ✓

Included
Highlights Hundreds of other features: ✓

Included

Premium — Individual Monthly

Highlights Works inside Gmail: ✓

Included
Highlights Send unlimited emails!*: ✓

Included
Highlights Unlimited contacts: ✓

Included
Highlights Unlimited campaigns: ✓

Included
Highlights Mail merge personalization: ✓

Included
Highlights Free email address verification: ✓

Included
Highlights Custom tracking links w/SSL: ✓

Included
Highlights Spam Solver: ✓

Included
Highlights Sequences and follow-ups: ✓

Included
Highlights API access (+Zapier): ✓

Included
Highlights A/B testing: ✓

Included
Highlights Triggered Emails: ✓

Included
Highlights Inbox Rotation (MultiSend): ✓

Included
Highlights High-priority support: ×

Excluded
Highlights Email support: ✓

Included
Highlights Hundreds of other features: ✓

Included

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

How their prices changed

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

GMass

August 27, 2026 Source
- Standard — Individual Monthly: EUR 26 monthly · EUR 17 / month with annual commitment
- Premium — Individual Monthly: EUR 35 monthly · EUR 25 / month with annual commitment

Plunk

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