Lettermint vs UniOne

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.

Lettermint

See full pricing history

EUR · US · source: lettermint.co

Plan	Pricing	Charged by	Offer type
Free	Free Free	Flat	Standalone · Free
Starter Highlighted	EUR 10 monthly · EUR 1.5 per 1.000 emails €10 /mo 10.000 emails/month Extra emails: €1.50 / 1.000	Flat · /mo	Standalone · Fixed
Growth	EUR 13 monthly · EUR 1.15 per 1.000 emails €13 /mo 10.000 emails/month Extra emails: €1.15 / 1.000	Flat · /mo	Standalone · Fixed
Pro	EUR 15 monthly · EUR 1.1 per 1.000 emails €15 /mo 10.000 emails/month Extra emails: €1.10 / 1.000	Flat · /mo	Standalone · Fixed

UniOne

See full pricing history

USD · US · source: unione.io

Plan	Pricing	Charged by	Offer type
Standard	USD 6 monthly Starting at $6/month for 50,000 emails	Usage · per channel or location	Standalone · Starting at
Individual	Contact sales Custom pricing	Usage · per channel or location	Standalone · Contact sales

What each plan includes

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

Lettermint

Free

Volume and limits Monthly emails included: 300

Included
Volume and limits Monthly Limit: 300

Limited
Domains and IPs Sending Domains: 1

Included
Domains and IPs Projects: 1

Included
Team and access Users: 1

Included
Developer tools SMTP Relay: Included
Developer tools Integrations and SDKs: Included
Highlights No credit card required: Included

Starter

Volume and limits Monthly emails included: 10.000

Included
Volume and limits Monthly Limit: No limit

Included
Domains and IPs Sending Domains: 5

Included
Domains and IPs Projects: Unlimited

Included
Team and access Users: Unlimited

Included
Support Basic customer support: Included
Analytics Essential analytics: Included

Growth

Volume and limits Monthly emails included: 10.000

Included
Volume and limits Monthly Limit: No limit

Included
Domains and IPs Sending Domains: 30

Included
Domains and IPs Projects: Unlimited

Included
Team and access Users: Unlimited

Included
Support Basic customer support: Included
Analytics Essential analytics: Included

Pro

Volume and limits Monthly emails included: 10.000

Included
Volume and limits Monthly Limit: No limit

Included
Domains and IPs Sending Domains: Unlimited

Included
Domains and IPs Projects: Unlimited

Included
Team and access Users: Unlimited

Included
Support Priority customer support: Included
Analytics Advanced analytics: Included

UniOne

Standard

Plan card 50,000 emails per month: Included
Plan card Transactional email: Included
Plan card Bulk email campaigns: Included
Plan card SMTP API: Included

Individual

Plan card Custom email volume: Included
Plan card Custom support: Included
Plan card Volume pricing: 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.

Lettermint

September 21, 2026
Official pricing page
- Free: Free
- Starter: EUR 10 monthly · EUR 1.5 per 1.000 emails
- Growth: EUR 13 monthly · EUR 1.15 per 1.000 emails
- Pro: EUR 15 monthly · EUR 1.1 per 1.000 emails
August 31, 2026
Official pricing page
- Free: Free
- Starter: EUR 10 monthly
- Growth: EUR 13 monthly
- Pro: EUR 15 monthly
August 27, 2026
Official pricing page
- Free: Free
- Starter: EUR 10 monthly
- Growth: EUR 13 monthly
- Pro: EUR 15 monthly

UniOne

August 27, 2026
Official pricing page
- Standard: USD 6 monthly
- Individual: Contact sales