Litmus Review: Testing, Previews and Post-Send Analytics
Litmus fits teams that preview and test emails before sendingIn this Litmus review, value for money scores 5.7, and 2 of the 12 tagged reviews that discuss value read as favourable.
Every score on this page validated by the site owner · latest validation Oct 16, 2026 · How we score
Litmus in three sentences
Litmus is an all-in-one email marketing platform, per the vendor's site read on Oct 4, 2026, and its home page says it is now part of Validity Engage, read on Sep 26, 2026. Scores rest on 23 tagged reviews, and ease of use has 8 favourable mentions and 1 negative. Litmus lists no plan prices, read on Sep 26, 2026.
See it before you read on
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What it costs
Pricing not published. Read on the vendor pages on Sep 26, 2026.
Pricing read on the vendor's site: no plan prices published.
Scores calculated on 23 tagged reviews; global score 7.3.
What you get, what you don't
Six things Litmus does. None of the six is missing on the vendor's pages; the weak spots are in what reviewers say, below.
- HubSpotNative
- Salesforce Marketing CloudNative
- MailchimpNative
- Adobe MarketoNative
- Oracle EloquaNative
- Data hostedAWS and MacStadium
- GDPR data processing agreementAvailable online
- SOC 2 reportSOC 2 Type II
- Single sign-onNot published
- ChannelsChat
- HoursNot published
- PhoneNot published
- Read as negative2 of 3 tagged reviews
The data behind the score
Our five scores against the average of the tools we score.
Should you buy it?
Name your dealbreaker. No profile is scored on its own yet: too few tagged reviews per profile, so the page shows the overall score.
Buy it if You preview emails in 100+ clients and want post-send analytics on the same platform. Skip it if You need published plan prices: Litmus lists none, read on Sep 26, 2026.
Price level draws 7 negative mentions Price level draws 7 negative mentions and no favourable mention; Litmus lists no plan prices, read on Sep 26, 2026. We hold no published fact that shows another tool here does better.
Billing and renewals draw 5 negative mentions Billing and renewals draw 5 negative mentions and no favourable mention; subscriptions renew automatically unless cancelled, with no refund for unused terms, read between Sep 26 and Oct 4, 2026. We hold no published fact that shows another tool here does better.
Deliverability draws 2 negative mentions Deliverability draws 2 negative mentions and 2 favourable mentions; the vendor lists inbox placement and blocklist alerts, read on Sep 26, 2026. We hold no published fact that shows another tool here does better.
Questions to ask the vendor
- Which plan prices and renewal terms apply to my team?Litmus lists no plan prices, read on Sep 26, 2026; price level draws 7 negative mentions.
- Can I cancel mid-term and get a refund on unused months?The terms state no refunds or credits for unused terms, read on Sep 26, 2026.
- How does inbox placement testing work in Litmus?Inbox placement tests draw 2 negative mentions among 3.
- Which support channels does my plan include?Support quality scores 6.6 on 3 tagged reviews; the vendor lists chat, read on Sep 26, 2026.
If Litmus isn't it
Three tools we score in this category. Each card names where the tool is weaker. Price level, Billing and renewals and Deliverability have no card: we hold no published fact that shows another tool here does better. Click a card, or a name below, to put it next to Litmus.
- Spam tests on Gmail, Outlook, Yahoo and AOL, plus DMARC and uptime monitoring
- Lists 5 spam filters; Litmus lists 25+ spam filters
- Accessibility tests against WCAG 2.2, plus HTML code analysis and link checks
- Price level draws 2 negative mentions
- Lists a REST email API, an SMTP relay and inbound email routing
- Price level draws 23 negative mentions
Litmus vs GlockAppsthe three alternatives
 Litmus |
GlockApps |
Email on Acid |
Mailgun |
|
|---|---|---|---|---|
| Our score | 7.3 | 8.7 | 7.9* | 7.6 |
| Price and plan | ||||
| Entry price | Not published | $85 /mo | $99 /mo | From $15 /mo |
| Free plan | No free plan stated | Free plan | No free plan stated | Free plan |
| Free trial | No free trial stated | No free trial stated | 30-day free trial | 30-day free trial |
| Four dimensions, same grid | ||||
| Ease of setup | 8.3 | 8.1 | 9.0 | 7.0 |
| Feature depth | 7.8 | 8.7 | 7.3 | 8.3 |
| Value for money | 5.7 | 9.2 | 7.0 | 6.5 |
| Support quality | 6.6 | 7.1 | 7.6 | 7.5 |
| Fit | ||||
| Integrations | HubSpot, Mailchimp, Klaviyo | Mailchimp | Salesforce Agentforce | Shopify, WordPress, Zapier |
| Support channels | Chat | Chat, email, phone | Ticket, phone, chat | Ticket, chat, phone |
| Main strength | Email client preview and testing | Spam placement testing across providers | Pre-send email preview testing | Email API and SMTP relay |
GlockApps scores 8.7 on 22 tagged reviews. It lists a free plan with 2 Spam Test Credits, read on Oct 4, 2026.
Email on Acid scores 7.9 on 8 tagged reviews. It lists previews across 100+ clients, with dark mode, read on Sep 26, 2026.
Mailgun scores 7.6 on 62 tagged reviews. It lets you choose US or EU data hosting, read on Sep 26, 2026.
Litmus lists no plan prices, read on Sep 26, 2026. Email on Acid's Basic is $99 a month, read on Sep 26, 2026; GlockApps' Essential is $85 a month billed monthly, read on Oct 4, 2026.
Same five-dimension grid for every tool; the fifth dimension changes with the category and stays out of this table. Prices and integrations read on each vendor's public pages between Sep 26 and Oct 4, 2026. * Under 10 tagged reviews: the score is weighted toward the site average; with none, it is the site average. Some of these prices have not been read again for 6 months. Check the vendors' pages before you buy.
What the reviews say, in depth
Litmus previews 100+ email clients and scans 25+ spam filters
The vendor lists previews in 100+ email clients, read on Sep 26, 2026, and spam checks across 25+ spam filters before you send, read on Oct 4, 2026. Litmus Email Guardian monitors email around the clock and alerts you when an email client makes a change, read on Oct 4, 2026.
Litmus Proof lets stakeholders leave real-time feedback in a review and approval workflow, read on Oct 4, 2026.
Analytics report device usage, Dark Mode and read time
The vendor says analytics go beyond opens and clicks, with device usage, Dark Mode and read time, read on Oct 4, 2026. Reporting has 4 favourable mentions and no negative one.
Deliverability monitoring lists inbox placement, blocklists, and SPF, DKIM and DMARC results, read on Sep 26, 2026. Deliverability draws 2 negative mentions and 2 favourable mentions, and inbox placement tests draw 2 negative mentions among 3.
Ease of setup scores 8.3 on 10 tagged reviews
Ease of setup scores 8.3, and 7 of the 10 tagged reviews that discuss setup read as favourable. Ease of use has 8 favourable mentions and 1 negative.
The vendor lists a drag-and-drop email builder usable with limited or no HTML coding knowledge, read on Oct 4, 2026. Integrations draw 2 negative mentions among 3, with native connections listed for HubSpot, Mailchimp, Klaviyo and Salesforce Marketing Cloud, read on Sep 26, 2026.
Value for money scores 5.7 on 12 tagged reviews
Value for money scores 5.7, and 2 of the 12 tagged reviews that discuss value read as favourable. Litmus lists no plan prices, read on Sep 26, 2026.
The terms say a subscription renews automatically each month or each year unless you cancel, read on Oct 4, 2026. They state no refunds or credits for partial, changed or unused subscription terms, read on Sep 26, 2026.
Support quality scores 6.6 on 3 tagged reviews
Support quality scores 6.6, and 1 of the 3 tagged reviews that discuss support reads as favourable, so this score rests on a small count.
The vendor lists chat with its customer support team, read on Sep 26, 2026. Customer support draws 2 negative mentions and 1 favourable mention.
Litmus is now part of Validity Engage, with SOC 2 audits
The vendor's home page says Litmus is now part of Validity Engage, read on Sep 26, 2026, so confirm current ownership before you sign.
Validity's trust page lists SOC 2 Type II audits that include Litmus, read on Oct 4, 2026. The platform runs on AWS and MacStadium, and a pre-signed data processing addendum is available online, read on Sep 26, 2026.
Before you commit
Litmus lists no plan prices, read on Sep 26, 2026, so this page sets no monthly cost and shows no renewal price. Price level draws 7 negative mentions and billing and renewals draw 5, none favourable; subscriptions renew automatically unless cancelled, read on Oct 4, 2026.
The vendor lists previews in 100+ email clients, read on Sep 26, 2026; this page holds no client-by-client list. Analytics report device usage and Dark Mode, read on Oct 4, 2026.
The site holds no published free plan or trial for Litmus, read on Sep 26, 2026. Reviewers raise the free plan and trial in 3 mentions, 2 negative and 1 favourable.
Learning curve draws 1 negative mention and no favourable one. Ease of setup scores 8.3, and 7 of the 10 tagged reviews that discuss setup read as favourable; this page sets no judgement on team size.
The vendor says analytics go beyond opens and clicks, with device usage, Dark Mode and read time, read on Oct 4, 2026. This page reads no ESP's analytics, so it makes no claim on what an ESP does not show.
This page cannot judge send volume: Litmus lists no plan prices or quota, read on Sep 26, 2026. Value for money scores 5.7, and 2 of the 12 tagged reviews that discuss value read as favourable.
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