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Compare Constant Contact and Twilio SendGrid Email API 
At a Glance
Market Segments
Small-Business (70.6% of reviews)
Small-Business (68.4% of reviews)
Entry-Level Pricing
Starting at $12.00 Per Month
$14.95 to $29.95 per month
Constant Contact
Star Rating
(7,247)4.1 out of 5
Market Segments
Small-Business (70.6% of reviews)
Pros & Cons
Entry-Level Pricing
Starting at $12.00 Per Month
Free Trial is available
Browse all 3 pricing plansTwilio SendGrid Email API
Star Rating
(360)4.0 out of 5
Market Segments
Small-Business (68.4% of reviews)
Pros & Cons
Entry-Level Pricing
$14.95 to $29.95 per month
Browse all 3 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that Constant Contact excels in user satisfaction, with a significantly higher overall score compared to Twilio SendGrid Email API. Users appreciate the user-friendly interface that makes reaching out to clients easier and more personal.
- According to verified reviews, Constant Contact has a much larger volume of recent feedback, indicating a more active user base. This is reflected in comments about its easy-to-setup templates and the ability to track emails effectively, which enhances day-to-day usability.
- Users say that Twilio SendGrid Email API shines in its email deliverability rates, which is a crucial factor for businesses focused on reaching their audience. Reviewers highlight the ease of implementation and the extensive documentation available, making it a solid choice for developers.
- Reviewers mention that while Constant Contact offers a more intuitive setup process, Twilio SendGrid Email API provides a wealth of functionality that can be appealing for those with technical expertise. Users appreciate the ability to send developer code directly from the system.
- According to recent user feedback, Constant Contact is particularly favored by small businesses, with a majority of its reviews coming from this segment. Users value the platform's ability to create client lists, which helps in managing communications effectively.
- G2 reviewers note that while both platforms have their strengths, Constant Contact's overall support quality is rated higher, with users expressing satisfaction with the assistance they receive. In contrast, Twilio SendGrid Email API users have pointed out areas for improvement in support responsiveness.
Pricing
Entry-Level Pricing
Constant Contact
Lite
Starting at $12.00
Per Month
Start marketing today with a simple suite of email, social, and event management tools, all backed by marketing experts and legendary support.
- Basic email marketing with easy-to-use templates.
- Automated Welcome Email for new contacts
- Social Marketing
Twilio SendGrid Email API
ESSENTIALS (40K, 100K Packages)
$14.95 to $29.95
per month
Two packages to meet your mail sending needs
- Easy to Use APIs and Webhooks
- Detailed Analytics and Reporting
- DKIM Customization
Free Trial
Constant Contact
Free Trial is available
Twilio SendGrid Email API
Free Trial is available
Ratings
Meets Requirements
8.4
6,263
8.5
311
Ease of Use
8.5
6,301
8.2
313
Ease of Setup
8.6
3,471
8.2
175
Ease of Admin
8.6
3,022
8.2
174
Quality of Support
8.3
5,129
7.5
248
Has the product been a good partner in doing business?
8.6
2,897
7.8
163
Product Direction (% positive)
7.1
6,162
7.2
298
Features by Category
Email Marketing
8.6
4908
|
Verified
Not enough data
8.5
5014
|
Verified
Not enough data
8.9
4730
|
Verified
Not enough data
8.3
4982
|
Verified
Not enough data
8.9
4973
|
Verified
Not enough data
8.5
4843
|
Verified
Not enough data
8.3
3929
|
Verified
Not enough data
8.4
1777
|
Verified
Not enough data
7.9
1608
|
Verified
Not enough data
Reporting & Analytics
7.9
2383
|
Verified
Not enough data
8.4
4567
|
Verified
Not enough data
Generative AI
7.1
520
Not enough data
7.0
519
Not enough data
Agentic AI - Email Marketing
6.5
369
Not enough data
6.6
365
Not enough data
6.8
365
Not enough data
6.7
363
Not enough data
6.7
362
Not enough data
Integration
8.2
2732
|
Verified
Not enough data
7.5
1959
|
Verified
Not enough data
7.5
1937
|
Verified
Not enough data
7.3
1372
|
Verified
Not enough data
7.8
1527
|
Verified
Not enough data
7.2
1291
|
Verified
Not enough data
Administration
Not enough data
7.9
85
Not enough data
7.5
77
Not enough data
8.1
83
Not enough data
8.1
89
Not enough data
7.9
97
Not enough data
8.3
100
Integrations
Not enough data
8.9
91
Not enough data
8.7
83
Not enough data
9.3
120
Not enough data
8.3
72
Platform
Not enough data
9.2
86
Not enough data
8.7
70
Not enough data
8.6
74
Not enough data
8.4
116
Not enough data
8.3
109
Not enough data
8.3
121
Not enough data
8.6
87
Not enough data
8.7
126
Diagnosis
7.9
768
8.3
97
8.1
762
8.8
105
8.5
942
8.5
98
8.4
851
8.7
97
Tracking
Feature Not Available
8.9
116
Feature Not Available
8.3
100
8.8
1072
8.6
116
Feature Not Available
8.5
108
8.5
917
8.4
103
Reporting
8.8
1054
8.3
98
Feature Not Available
8.1
109
Feature Not Available
8.3
94
8.0
830
8.0
108
Agentic AI - Email Deliverability
6.4
117
Not enough data
6.2
116
Not enough data
6.3
113
Not enough data
6.5
114
Not enough data
6.4
114
Not enough data
Grammar
8.5
77
Not enough data
8.3
70
Not enough data
8.5
72
Not enough data
Formatting
8.2
66
Not enough data
8.1
70
Not enough data
7.7
66
Not enough data
Content
8.1
68
Not enough data
8.3
71
Not enough data
8.2
67
Not enough data
Product Type
8.7
69
Not enough data
7.9
65
Not enough data
Generative AI
8.5
24
Not enough data
8.7
24
Not enough data
Templates
8.1
1054
|
Verified
Not enough data
7.2
915
|
Verified
Not enough data
7.9
968
|
Verified
Not enough data
8.3
591
Not enough data
Edit
8.2
949
|
Verified
Not enough data
8.4
1037
|
Verified
Not enough data
7.9
837
|
Verified
Not enough data
Logistics
8.6
1018
|
Verified
Not enough data
7.7
878
|
Verified
Not enough data
7.9
809
|
Verified
Not enough data
8.8
597
Not enough data
Generative AI
7.3
158
Not enough data
7.3
154
Not enough data
Agentic AI - Email Template Builder
6.9
94
Not enough data
6.8
93
Not enough data
Marketing and Communications
8.2
597
Not enough data
8.1
623
Not enough data
7.9
559
Not enough data
8.7
755
Not enough data
8.9
770
Not enough data
Attendee Engagement
8.0
618
Not enough data
7.8
550
Not enough data
7.9
559
Not enough data
Registration
8.1
614
Not enough data
8.1
602
Not enough data
7.7
489
Not enough data
Generative AI
7.2
137
Not enough data
Agentic AI - Event Marketing
6.5
104
Not enough data
6.5
105
Not enough data
6.5
106
Not enough data
6.5
106
Not enough data
6.5
106
Not enough data
6.5
108
Not enough data
Text Messaging
8.6
75
Not enough data
7.8
64
Not enough data
8.4
68
Not enough data
8.4
70
Not enough data
8.4
67
Not enough data
8.1
67
Not enough data
8.5
74
Not enough data
7.8
64
Not enough data
SMS Platform
8.7
75
Not enough data
8.8
69
Not enough data
7.7
66
Not enough data
6.7
62
Not enough data
7.2
62
Not enough data
7.4
63
Not enough data
Agentic AI - SMS Marketing
6.4
12
Not enough data
7.5
12
Not enough data
6.8
12
Not enough data
7.4
12
Not enough data
7.1
12
Not enough data
7.2
12
Not enough data
Content & Collaboration
8.8(won by default)
178
Not enough data
8.7(won by default)
185
Not enough data
8.3(won by default)
161
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
8.7(won by default)
182
Not enough data
Social Management
8.6(won by default)
200
Not enough data
8.8(won by default)
202
Not enough data
Feature Not Available
Not enough data
8.7(won by default)
195
Not enough data
8.1(won by default)
183
Not enough data
8.8(won by default)
185
Not enough data
8.4(won by default)
148
Not enough data
Agentic AI - Social Media Management
6.8(won by default)
59
Not enough data
6.9(won by default)
59
Not enough data
6.8(won by default)
58
Not enough data
7.0(won by default)
58
Not enough data
7.0(won by default)
57
Not enough data
6.9(won by default)
56
Not enough data
6.8(won by default)
56
Not enough data
Platform Interoperability
Feature Not Available
Not enough data
Agentic AI - Social Media Advertising
6.6
38
Not enough data
6.8
38
Not enough data
6.6
38
Not enough data
7.3
39
Not enough data
7.3
37
Not enough data
7.3
37
Not enough data
Social Functionality
8.8
301
Not enough data
Campaign Management
9.0
307
Not enough data
8.9
290
Not enough data
8.9
287
Not enough data
8.4
247
Not enough data
8.6
251
Not enough data
8.9
255
Not enough data
9.0
241
Not enough data
8.4
223
Not enough data
8.4
233
Not enough data
8.7
257
Not enough data
8.3
244
Not enough data
8.0
211
Not enough data
8.3
224
Not enough data
Targeting
8.8
270
Not enough data
8.7
252
Not enough data
8.2
222
Not enough data
8.5
224
Not enough data
Platform
8.2
231
Not enough data
8.5
265
Not enough data
8.7
274
Not enough data
9.0
303
Not enough data
8.5
243
Not enough data
8.6
296
Not enough data
8.7
257
Not enough data
8.4
228
Not enough data
8.7
277
Not enough data
Survey Management
8.3
263
Not enough data
8.4
254
Not enough data
Feature Not Available
Not enough data
8.6
252
Not enough data
Survey Customization
Feature Not Available
Not enough data
8.5
249
Not enough data
8.2
234
Not enough data
Feature Not Available
Not enough data
Survey Insights
8.5
261
Not enough data
Feature Not Available
Not enough data
8.6
250
Not enough data
Feature Not Available
Not enough data
Agentic AI - Survey
6.9
50
Not enough data
6.7
50
Not enough data
6.9
50
Not enough data
Customizations
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Growth
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Content
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Support
9.2
45
Not enough data
Categories
Categories
Shared Categories
Constant Contact and Twilio SendGrid Email API are categorized as Email Deliverability
Unique Categories
Constant Contact is categorized as SMS Marketing, Event Marketing, Email Template Builder, AI Writing Assistant, Website Builder, Social Media Advertising, Social Media Management, Email Marketing, and Survey
Twilio SendGrid Email API is categorized as Transactional Email
Reviews
Reviewers' Company Size
Constant Contact
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Twilio SendGrid Email API
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Non-Profit Organization Management
12.4%
Marketing and Advertising
9.7%
Real Estate
4.5%
Education Management
4.0%
Religious Institutions
3.3%
Other
66.1%
Computer Software
18.1%
Information Technology and Services
13.8%
Marketing and Advertising
8.6%
Internet
7.2%
Financial Services
5.4%
Other
47.0%
Alternatives
Discussions
if i buy a email list of 10,000 can i send to all of those people at one time off your site?
10 Comments
BF
You can't buy and e-mail list and loaded it into Constant Contact. They will only send to people who have signed up to receive your e-blasts. You can have...Read more
What is constant contact software?
6 Comments
CO
Constant Contact software is an email program that allows user to design/create emails with pictures, graphics and text to be sent to customers and...Read more
Does a busy small business owner have time to market their company on Constant Contact? (Nope)
5 Comments
MR
You say no, but perhaps if you allow Constant Contact to do some of the work for you, you might have a bit more time to spend on all those other important...Read more
Can I send from more than one domain through SendGrid?
1 Comment
BF
Yes, you can. Here is a more detailed answer from Sendgrid's Docs:...Read more
What is my API Key?
1 Comment
TD
API key is authorization key between two different application or platform. Read more
Twilio SendGrid Email API has no more discussions with answers
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