Lettr vs SendLayer

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.

Lettr

See full pricing history

USD · US · source: lettr.com

Plan	Pricing	Charged by	Offer type
Free	Free $0 /mo	Flat	Standalone · Free
Pro	USD 15 monthly $15 /mo	Flat	Standalone · Fixed
Business	USD 110 monthly $110 /mo	Flat	Standalone · Fixed
Enterprise	Contact sales Contact sales	Flat	Standalone · Contact sales

SendLayer

See full pricing history

USD · US · source: sendlayer.com

Plan	Pricing	Charged by	Offer type
Starter	USD 5 / month with annual commitment $5 / mo billed annually	Flat	Standalone · Fixed
Business	USD 15 / month with annual commitment $15 / mo billed annually	Flat	Standalone · Fixed
Growth	USD 25 / month with annual commitment $25 / mo billed annually	Flat	Standalone · Fixed
Scale	Contact sales Request Quote	Flat	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.

Lettr

Free

Highlights Monthly emails: 3,000

Included
Highlights Sending domains: 1

Included
Highlights Data retention: 7 days

Included

Pro

Highlights Monthly emails: 50,000

Included
Highlights Sending domains: 10

Included
Highlights Data retention: 30 days

Included

Business

Highlights Monthly emails: 200,000

Included
Highlights Sending domains: Unlimited

Included
Highlights Dedicated IPs: Add-on

Included

Enterprise

Highlights Monthly emails: Unlimited

Included
Highlights SSO/SAML: Included
Highlights SLA guarantee: Included

SendLayer

Starter

Highlights Monthly emails: 1,000

Included
Highlights Sender domains: 1

Included
Highlights Log retention: 3 days

Included

Business

Highlights Monthly emails: 5,000

Included
Highlights Sender domains: 3

Included
Highlights Log retention: 15 days

Included

Growth

Highlights Monthly emails: 10,000

Included
Highlights Sender domains: 5

Included
Highlights Log retention: 30 days

Included

Scale

Highlights Monthly emails: 20,000+

Included
Highlights Sender domains: 20

Included
Highlights VIP support: Included

How their prices changed

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

Lettr

August 27, 2026 Source
- Free: Free
- Pro: USD 15 monthly
- Business: USD 110 monthly
- Enterprise: Contact sales

SendLayer

August 27, 2026 Source
- Starter: USD 5 / month with annual commitment
- Business: USD 15 / month with annual commitment
- Growth: USD 25 / month with annual commitment
- Scale: Contact sales