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Letterhead vs Sparkpost comparison

Letterhead and Sparkpost are both solutions in the Cloud Email category. Letterhead is ranked #30, while Sparkpost is ranked #18. Letterhead holds a 0.3% mindshare in CE, compared to Sparkpost’s 0.8% mindshare. Additionally, 100% of Sparkpost users are willing to recommend the solution.
Letterhead
  • 38 Views
  • 38 Comparison Views
Sparkpost
Read 1 Sparkpost review
  • 90 Views
  • 90 Comparison Views
100% willing to recommend
 

Comparison Buyer's Guide

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Executive Summary
We performed a comparison between Letterhead and Sparkpost based on real PeerSpot user reviews.

Find out what your peers are saying about MailChimp, Twilio, Amazon Web Services (AWS) and others in Cloud Email.

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To learn more, read our detailed Cloud Email Report (Updated: August 2025).
Buyer's Guide
Cloud Email
August 2025
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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Letterhead
Ranking in Cloud Email
30th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
Sparkpost
Ranking in Cloud Email
18th
Average Rating
9.0
Reviews Sentiment
6.6
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2025, in the Cloud Email category, the mindshare of Letterhead is 0.3%. The mindshare of Sparkpost is 0.8%, up from 0.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud Email
 

Featured Reviews

Use Letterhead?
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Rastu Singh - PeerSpot reviewer
A consistent solution for transaction emails with a great option to define speed
The option to define the kind of speed we are looking at is valuable. For example, sometimes, we need to slow down for certain customers and do specific configurations, so we don't want to rush it. Or we can email the customer requesting to send it within two hours. So, if they send 2 million or 3 million, we can do it with SparkPost, which is not possible on SendGrid.
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Comparisons

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Product Reports

Buyer's Guide
Cloud Email
August 2025
Letterhead reportDownload Letterhead product report
Buyer's Guide
Cloud Email
August 2025
Sparkpost reportDownload Sparkpost product report
 

Overview

High-quality newsletters drive high-quality engagement. But doing them consistently has been expensive and time-consuming — until now.
Letterhead makes it easy to create, send, and monetize great newsletters at scale– automatically.

Letterhead

SparkPost is the world’s #1 email sender, trusted to send 37% of the world's B2C email. Our data-driven platform optimizes email performance and helps leading enterprises drive top-line results.

Sparkpost
 

Sample Customers

Information Not Available
Zillow, Quorum, Zip Recruiter, Financial Times, ClickMechanic, Guardian, Comcast, Career Builder,  Twitter, Kayak, LinkedIn, Paypal, Zynga, The New York Times, Ebates, Hubspot, Oracle, Marketo, Intercom, Iterable, Tobi, Houzz, Cordial Intelligent Messaging
Buyer's Guide
Cloud Email
August 2025
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Find out what your peers are saying about MailChimp, Twilio, Amazon Web Services (AWS) and others in Cloud Email. Updated: August 2025.
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We monitor all Cloud Email reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.