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Letterhead vs Litmus: Which Email Marketing Is Better in 2026?

Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.

Letterhead
Letterhead
Rating
,
Reviews
0
From
Custom

in Email Marketing

Litmus
Litmus
Rating
,
Reviews
0
From
$99/mo

in Email Marketing

Jump to scorecard Ask SIA

The Short Answer

Letterhead vs Litmus, in 15 seconds

Choose Letterhead if…

  • You need the broader feature set

Choose Litmus if…

  • You want the lower entry price
  • You have strict security & compliance needs

Head-to-Head Scorecard

How Letterhead and Litmus score

It's evenly matched, each leads on 2 of 9 measured dimensions.

  • Customer Rating

    Average score from verified user reviews

    Even
    Letterhead
    No reviews
    Litmus
    No reviews

  • Review Volume

    Number of verified reviews, a proxy for adoption

    Even
    Letterhead
    0
    Litmus
    0

  • Entry Pricing

    Lowest published starting price (free plan = lowest)

    Litmus
    Letterhead
    Custom
    Litmus
    $99/mo

  • Free Access

    Availability of a free plan and/or free trial

    Even
    Letterhead
    Free trial
    Litmus
    Free trial

  • Integrations

    Number of listed third-party integrations

    Even
    Letterhead
    6
    Litmus
    6

  • Features

    Number of listed product capabilities

    Letterhead
    Letterhead
    8
    Litmus
    6

  • AI Features

    Capabilities mentioning AI, automation or ML

    Even
    Letterhead
    ,
    Litmus
    ,

  • Security & Compliance

    Number of listed compliance certifications

    Litmus
    Letterhead
    1
    Litmus
    2

  • Platforms & Deployment

    Supported platforms and deployment options

    Letterhead
    Letterhead
    4
    Litmus
    3

Feature Comparison

Letterhead vs Litmus feature breakdown

Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.

Letterhead
Litmus
Overview
User rating
,
,
Pricing model
Quote-based
SUBSCRIPTION
Starting price
Custom
$99/mo
Free version
Free trial
Features
Key capabilities
Newsletter builderAd managementMonetizationAnalyticsEmail builderEmail template design+2
Email previews across clientsPre-send checksEmail building & collaborationSpam & accessibility testingEmail analyticsIntegrations
AI features
,
,
Integrations & API
Integrations
beehiivKitMailchimpSubstackStripeZapier
MailchimpHubSpotMarketoSalesforceKlaviyoSlack
Public API
Platforms
Deployment
CloudSaaS
Cloud
Platforms
WebAPI
WebAPI
Mobile support
Security & Compliance
Compliance
GDPR
SOC 2 Type IIGDPR
Vendor
Company
,
,
Verified
Founded
,
2005
Headquarters
,
Cambridge, Massachusetts, USA

Pricing Comparison

Letterhead vs Litmus pricing

Entry pricing, plan tiers and the cost factors that shape total cost of ownership.

Letterhead

Custom to start
ProfessionalCustom
  • Integrations
  • Standard support
  • newsletter builder
  • Analytics and reporting
EnterpriseCustom
  • Everything in Professional
  • Advanced security and controls
  • monetization
  • Dedicated support and onboarding

Litmus

$99/mo to start
Basic$99/month
  • Email previews
  • Pre-send checklist
  • Spam testing
  • 1 user
Plus$199/month
  • More previews & checks
  • Email analytics
  • Collaboration
  • More users
EnterpriseCustom
  • SSO & advanced security
  • Custom limits
  • Dedicated support
  • Advanced analytics

Total cost of ownership factors

Free planLetterhead Litmus
Free trial to evaluateLetterhead Litmus
Transparent published pricingLetterhead Litmus
Public API (build vs. buy add-ons)Letterhead Litmus

Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.

Pros & Cons

Letterhead vs Litmus: strengths and trade-offs

Letterhead

Pros

  • Free trial offered
  • Compliance: GDPR
  • Public API available

Cons

  • No free plan
  • Pricing is quote-based (less transparent)

Litmus

Pros

  • Free trial offered
  • Compliance: SOC 2 Type II, GDPR
  • Public API available

Cons

  • No free plan

Buyer Fit

Who should use Letterhead vs Litmus?

Startups

Litmus

Litmus keeps early-stage costs lowest with its entry tier.

Small businesses

Litmus

Litmus offers the most accessible pricing for lean teams.

Agencies

Letterhead

Letterhead connects to more tools for multi-client workflows.

Enterprises

Litmus

Litmus leads on compliance and breadth for complex needs.

Ecommerce

Either

Either integrates with more of the commerce stack.

SaaS companies

Letterhead

Letterhead is the more developer- and automation-friendly choice.

Integration overlap

Shared integrations (1)

Mailchimp

Only in Letterhead (5)

beehiivKitSubstackStripeZapier

Only in Litmus (5)

HubSpotMarketoSalesforceKlaviyoSlack

Keep Exploring

Other alternatives worth considering

Similar email marketing products buyers compare alongside Letterhead and Litmus.

Mailmeteor

Mailmeteor

Custom
YAMM

YAMM

Custom
GMass

GMass

Custom
Ungapped

Ungapped

Custom
Klaviyo

Klaviyo

$20/mo
Mailchimp

Mailchimp

$13/mo
More Letterhead alternatives →More Litmus alternatives →

Ask SIA which solution fits your business

SIA, Saaskart's AI buying assistant, weighs Letterhead and Litmus against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.

Get a personalised recommendation

Letterhead vs Litmus, Frequently Asked Questions

What is the difference between Letterhead and Litmus?

Letterhead and Litmus are both Email Marketing solutions. Letterhead is rated 0.0/5 by 0 users, while Litmus is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.

Which is better, Letterhead or Litmus?

Based on user ratings, Letterhead scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.

Which is cheaper, Letterhead or Litmus?

Both products have custom pricing. We recommend contacting both vendors for a quote tailored to your team size.

Does Letterhead or Litmus have a free plan?

Neither Letterhead nor Litmus currently offers a free plan, but Letterhead provides a free trial.

Can I switch from Letterhead to Litmus?

Switching between Letterhead and Litmus is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.

Who should use Letterhead vs Litmus?

Letterhead is best suited for teams that prioritise enterprise features. Litmus works well for budget-conscious buyers.

Our Verdict

The bottom line on Letterhead vs Litmus

Best Overall

Either

It's a tie balances user satisfaction and proven adoption.

Best for Startups

Litmus

Litmus has the friendliest entry point for new teams.

Best for Enterprise

Litmus

Litmus leads on compliance and feature breadth.

Best Value

Litmus

Litmus delivers the lowest cost to get started.

Best AI Features

Either

Comparable AI capabilities on both sides.

Highest Rated

Either

Both earn equal user ratings.

Ready to decide between Letterhead and Litmus?

Visit Letterhead Visit Litmus Ask SIA
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