G2 Vendor Directory

Email Deliverability

100

Products

73.2K

Total reviews

4.5

Avg. rating

Constant Contact by Constant Contact leads the Email Deliverability category with a 4.1 rating from 7,625 reviews. Instantly has the strongest momentum in the category, up -55.8% quarter-over-quarter.

LLM citations

Monthly citations by AI answer engines for the top products in Email Deliverability.

LLM citations · Email Deliverability

Source: G2 review data

Key stats

Constant Contact

Instantly

Small Business

Category trends

How the Email Deliverability market is moving, from G2 review and Grid data.

Which products are most adopted?
1
Instantly2,641 2
Intuit Mailchimp Email Marketing2,528 3
Constant Contact2,119 4
Brevo1,253 5
Apollo.io884
Which products are growing fastest?
1
lemlist123 2
Inboxkit50 3
Smartlead48 4
Brevo39 5
ActiveCampaign31
Which products climbed the Grid most?
1
Smartlead32 2
lemlist12 3
Twilio SendGrid Email Marketing Campaigns11 4
Salesforge9 5
Twilio SendGrid Email API5
Which products are reviewers switching to?
1
ActiveCampaign2,598 2
Intuit Mailchimp Email Marketing701 3
Instantly567 4
Brevo434 5
Constant Contact360
Which products do enterprises choose?
1
Intuit Mailchimp Email Marketing177 2
Validity Engage118 3
Constant Contact115 4
Email API76 5
Dotdigital65
Which products do mid-market buyers choose?
1
Intuit Mailchimp Email Marketing574 2
Constant Contact487 3
Apollo.io276 4
Dotdigital222 5
Email API222
Which products do small businesses choose?
1
Instantly2,436 2
Intuit Mailchimp Email Marketing1,766 3
Constant Contact1,508 4
Brevo1,036 5
ActiveCampaign749

Fastest growing

Ranked by G2 Momentum score.

1

Instantly

by Instantly · 4,161 reviews

4.8
2

Warmy

by Warmy · 537 reviews

4.8
3

Salesforge

by Salesforge · 157 reviews

4.6

All products

Ranked by G2 Grid position.

1

Constant Contact

by Constant Contact · 7,625 reviews

4.1
2

Instantly

by Instantly · 4,161 reviews

4.8
3

lemlist

by lemlist · 2,509 reviews

4.6
4

Brevo

by Brevo · 2,772 reviews

4.5
5

Apollo.io

by Apollo.io · 9,851 reviews

4.7

Showing 5 of 100