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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Litmus from Validity

    Score8.6 out of 10
    N/ALitmus, from Validity, is an email marketing solution used to create error-free emails in less time. It is also used to build email campaigns, personalize and test them thoroughly, monitor deliverability, and analyze email performance.N/A

    Spark

    Score9.4 out of 10
    N/ASpark, from Readdle headquartered in Ukraine, is a team email inbox solution, supporting email signature functions, smart notifications, organizational features, email templates, and related features.

    $59.99

    per year

    SendFox

    Score10 out of 10
    N/AA tool to automatically send customized emails to subscribers, followers, and fans. SendFox is an email marketing tool designed specifically for content creators that lets users compose and send unlimited customized emails. SendFox combines automation and customization to help create simple, beautiful, and effective emails in less time. Users can automatically draft emails with SendFox’s integrated weekly Smart Campaigns and RSS content updates, so fans will get content…

    $49

    one-time fee per user

    Pricing
    Litmus from ValiditySparkSendFox
    Editions & Modules
    No answers on this topic
    No answers on this topic
    SendFox
    $49
    one-time fee per user
    Offerings
    Pricing Offerings
    Litmus from ValiditySparkSendFox
    Free Trial
    NoYesNo
    Free/Freemium Version
    NoYesYes
    Premium Consulting/Integration Services
    NoNoNo
    Entry-level Setup FeeNo setup feeNo setup fee$49 one-time fee per user
    Additional Details———
    More Pricing Information
    Community Pulse
    Litmus from ValiditySparkSendFox
    Considered Multiple Products
    Validity
    No answer on this topic
    Readdle
    No answer on this topic
    AppSumo Originals
    No answer on this topic
    Key User Insights
    Would buy again
    99%
    Would buy again
    294 Answers
    No answers on this topic
    No answers on this topic
    Delivers good value for the price
    98%
    Delivers good value for the price
    214 Answers
    No answers on this topic
    No answers on this topic
    Happy with the feature set
    99%
    Happy with the feature set
    296 Answers
    No answers on this topic
    No answers on this topic
    Lived up to sales and marketing promises
    98%
    Lived up to sales and marketing promises
    174 Answers
    No answers on this topic
    No answers on this topic
    Implementation went as expected
    98%
    Implementation went as expected
    175 Answers
    No answers on this topic
    No answers on this topic
    Features
    Litmus from ValiditySparkSendFox
    Email & Online Marketing
    Comparison of Email & Online Marketing features of Litmus from Validity and Spark Mail App and SendFox
    Feature
    Litmus from Validity
    6.8
    377 Ratings
    17% below category average
    Spark Mail App
    -
    Ratings
    SendFox
    5.8
    1 Ratings
    32% below category average
    WYSIWYG email editor9.159 Ratings00 Ratings5.01 Ratings
    Dynamic content8.659 Ratings00 Ratings00 Ratings
    Ability to test dynamic content8.1239 Ratings00 Ratings00 Ratings
    Landing pages2.64 Ratings00 Ratings7.01 Ratings
    A/B testing6.511 Ratings00 Ratings00 Ratings
    Mobile optimization9.4352 Ratings00 Ratings7.01 Ratings
    Email deliverability reporting8.5273 Ratings00 Ratings5.01 Ratings
    List management7.08 Ratings00 Ratings4.01 Ratings
    Triggered drip sequences1.02 Ratings00 Ratings7.01 Ratings
    Reporting & Analytics
    Comparison of Reporting & Analytics features of Litmus from Validity and Spark Mail App and SendFox
    Feature
    Litmus from Validity
    7.1
    256 Ratings
    7% below category average
    Spark Mail App
    -
    Ratings
    SendFox
    6.0
    1 Ratings
    24% below category average
    Dashboards7.229 Ratings00 Ratings6.01 Ratings
    Standard reports7.5253 Ratings00 Ratings6.01 Ratings
    Custom reports6.6181 Ratings00 Ratings00 Ratings
    Pre-Send Testing
    Comparison of Pre-Send Testing features of Litmus from Validity and Spark Mail App and SendFox
    Feature
    Litmus from Validity
    8.5
    357 Ratings
    4% above category average
    Spark Mail App
    -
    Ratings
    SendFox
    -
    Ratings
    URL Validation9.3269 Ratings00 Ratings00 Ratings
    Link Tracking9.2234 Ratings00 Ratings00 Ratings
    Image Validation7.65 Ratings00 Ratings00 Ratings
    Inbox Display8.56 Ratings00 Ratings00 Ratings
    Email Accessibility Tools6.73 Ratings00 Ratings00 Ratings
    Spelling and Grammar Check7.31 Ratings00 Ratings00 Ratings
    Spam Testing9.5268 Ratings00 Ratings00 Ratings
    Email Previews9.6354 Ratings00 Ratings00 Ratings
    Best Alternatives
    Litmus from ValiditySparkSendFox
    Small Businesses
    Mad Mimi
    Score10 out of 10
    No answers on this topic
    Mad Mimi
    Score10 out of 10
    Medium-sized Companies
    Campaign Monitor by Marigold
    Score9 out of 10
    No answers on this topic
    Campaign Monitor by Marigold
    Score9 out of 10
    Enterprises
    Emma by Marigold
    Score8.5 out of 10
    No answers on this topic
    Emma by Marigold
    Score8.5 out of 10
    All AlternativesView all alternativesView all alternativesView all alternatives
    User Ratings
    Litmus from ValiditySparkSendFox
    Likelihood to Recommend
    9.1
    (429 ratings)
    8.0
    (1 ratings)
    7.0
    (1 ratings)
    Likelihood to Renew
    9.0
    (32 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Usability
    8.0
    (22 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Availability
    7.6
    (8 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Performance
    7.3
    (8 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Support Rating
    9.1
    (2 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    In-Person Training
    4.5
    (2 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Online Training
    4.5
    (3 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Implementation Rating
    2.2
    (13 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Configurability
    3.9
    (7 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Ease of integration
    10.0
    (2 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Product Scalability
    3.9
    (8 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Vendor post-sale
    3.6
    (5 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Vendor pre-sale
    5.5
    (4 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    User Testimonials
    Litmus from ValiditySparkSendFox
    Likelihood to Recommend
    Validity
    Proofing your emails is necessary. This is a tool that allows you to see how your email not only renders on multiple devices but how it performs. Some email building platforms will tell you their drag and drop templates are ready to go, however they stop short of analyzing accessibility, checking links, load speed among other things. I've also experienced drag and drop template issues as new email clients are released. Litmus provides peace of mind that you did your due diligence on crafting your email. While Litmus does provide some reporting you will not see every typical analytic an email report offers. However, you can use your Litmus data to enhance your email reports which in turn creates a robust view of email performance.
    Incentivized
    Read full review
    Readdle
    Great is you have multiple email accounts. Easy to go through emails. Too many updates on desktop and no calendar on the desktop
    Read full review
    AppSumo Originals
    SendFox is perfect for when you are needing to send emails irregularly to a medium-sized list and don't want high fees. Whilst there aren't fancy templates like other services, this can be perfect if you are just wanting to send simple, quick emails vs more in-depth graphical ones. It's great for smaller businesses as well due to the low cost.
    Incentivized
    Read full review
    Pros
    Validity
    • We haven’t explored the personalization features in depth yet, aside from using the Add-to-Calendar option, but we're excited to dig in further. Tools like live polls offer an easy way to boost engagement in our product marketing emails, and we see a lot of potential in using these templates to enhance personalization moving forward.
    • Litmus’ continuing education resources have been really helpful. I recently read an article on email deliverability that offered practical insights my team can apply moving forward. I especially appreciate how Litmus uses real examples and stats from the brands they work with—it makes the content feel actionable and relevant.
    • Online Training.
    Incentivized
    Read full review
    Readdle
    • Consolidated email accounts
    • Easy to go through many emails
    Read full review
    AppSumo Originals
    • Easy to send emails as an automated sequence or single blast email.
    • Can break customers into separate lists but still only charged per contact.
    • Charges as a lifetime deal for so many contacts rather than monthly.
    Incentivized
    Read full review
    Cons
    Validity
    • I've not seen many limitations but I have noticed that sometimes emails sent from our CRM take too long to land in Litmus, or sometimes don't land at all.
    • As a beginner it was quite difficult for me to make my way around the platform - I thought "Create new" CTA was actually creating something new, maybe "Import from CRM" would have been more understandable. There were a few others but I remember this one.
    • In the Emails section, whenever I hover over an email, I want to be able to copy the subject line instead of getting the different CTAs appear intrusively (Summary, Builder, Previews & QA, Proof, Analytics, Monitor) - maybe these could appear on the bottom of the textbox, instead of them being imposed on top?
    Incentivized
    Read full review
    Readdle
    • No calendar
    • AI is still not great
    Read full review
    AppSumo Originals
    • More customization in the email builder.
    • More customization on the smart pages (aka Landing page).
    • Forms have low customization and older style graphical look.
    Incentivized
    Read full review
    Likelihood to Renew
    Validity
    It's one the best tools that we've found for this type of tool but we would like some additional features like spell check so if there's a platform that features that with everything else Litmus has, then we'd potentially look to move over to that platform instead. However, we are overall pretty help with the platform
    Incentivized
    Read full review
    Readdle
    No answers on this topic
    AppSumo Originals
    No answers on this topic
    Usability
    Validity
    Litmus has integrations that make the software an integrated part of my work every day. Being able to test right within my email builder is just brilliant. Daily I also use the web interface to review analytics and spam testing. Overall it is one of the pieces of software I use daily without any complaints or issues.
    Incentivized
    Read full review
    Readdle
    No answers on this topic
    AppSumo Originals
    No answers on this topic
    Reliability and Availability
    Validity
    We have never had a problem with Litmus being unavailable so I would say their availability is fantastic. There might have been one time years ago that the site was down briefly but it also might have been a server issue on my end. Either way, Litmus was back up and running in a very short time
    Incentivized
    Read full review
    Readdle
    No answers on this topic
    AppSumo Originals
    No answers on this topic
    Performance
    Validity
    As with all technology, there are inevitably use-cases where you are unable to get to your original goal without some good old-fashioned experimenting. Some situations will (and are) more urgent which complicates an effective integration of a new process or a new team using an existing process but the "issues" are regularly resolved by re-starting the process specific to when Litmus is introduced to a project. If it doesn't come out the way you're anticipating, run it again and verify there is an issue before declaring all is lost
    Incentivized
    Read full review
    Readdle
    No answers on this topic
    AppSumo Originals
    No answers on this topic
    Support Rating
    Validity
    Absolutely fantastic support. It runs circles around the competition. They regularly reach out and chat, even if it's just to see if there's any issues we need to discuss. They clearly want the business and don't forget you once you sign the contract which is an issue with other similar services.
    Incentivized
    Read full review
    Readdle
    No answers on this topic
    AppSumo Originals
    No answers on this topic
    In-Person Training
    Validity
    It was very informative one on one session for me. I was able to use Litmus without any issues.
    Incentivized
    Read full review
    Readdle
    No answers on this topic
    AppSumo Originals
    No answers on this topic
    Online Training
    Validity
    It has all the required information.
    Incentivized
    Read full review
    Readdle
    No answers on this topic
    AppSumo Originals
    No answers on this topic
    Implementation Rating
    Validity
    I didn’t really personally participate much in the implementation of Litmus, but from what I observed during the process, it was a smooth process with minimal disruptions. The team was able to get up and running quickly, and the platform’s user-friendly interface made onboarding fairly easy for everyone involved from the start.
    Incentivized
    Read full review
    Readdle
    No answers on this topic
    AppSumo Originals
    No answers on this topic
    Alternatives Considered
    Validity
    This is not applicable to my role as I have used Litmus to test emails since I have started. Because of the ease of use, timeliness, consistent quality, and affordability that Litmus offers, I haven't found the need to look at similar products or organizations. If all of these features continue to stay strong, I don't plan on changing providers
    Incentivized
    Read full review
    Readdle
    Cheaper and easier test. No upfront work
    Read full review
    AppSumo Originals
    Mailchimp costs a lot once you get into the 4000 contacts range and features that SendFox has integrated are in a higher cost plan from Mailchimp. Drip is in a similar range cost-wise. It costs more per month than I paid all up. For a business that relies on email marketing as an income strategy, these tools are perfect, but for my business which uses it intermittently to supplement things like group challenges, it's more applicable to go with a tool like SendFox.
    Incentivized
    Read full review
    Scalability
    Validity
    With our enterprise account, scalability is not an issue. I have not yet seen or heard of significant issues with user access, API connections for integrations etc. This includes down time for "Scheduled Maintenance" as some providers call them, Litmus has the technology backing to support a global team with a 24-hour workday across regions
    Incentivized
    Read full review
    Readdle
    No answers on this topic
    AppSumo Originals
    No answers on this topic
    Return on Investment
    Validity
    • Litmus saves our team so much time by making the QA and email review process so much easier, streamlined, and efficient.
    • We often send out campaigns out to thousands of members, and Litmus gives us the assurance and peace of mind that everything is working as it should before it gets sent out.
    • Decreases the number of email review cycles we go through.
    Incentivized
    Read full review
    Readdle
    • made me more effective for a low price
    Read full review
    AppSumo Originals
    • It's been the service I've used for daily emails for group challenges - Meaning that I had a service that was cheaper than others AND was reliable. When the customers got the emails reliably, I retained them, customers.
    • It has been less flexible in terms of customization - This hasn't had a tangible benefit but may have had a lead-on effect of the emails not always looking as professional to the customer.
    • It is much cheaper than other services meaning I've saved likely $2000+ based on the size of my email list (which is a lot for my small business!).
    Incentivized
    Read full review
    ScreenShots

    Litmus from Validity Screenshots

    Screenshot of Litmus Personalize Essentials, with live polls to give subscribers a voice and drive email engagement.Screenshot of Litmus Email Guardian, featuring 24/7 link monitoring to safeguard emails.Screenshot of Litmus' integrated insights reports, that can automatically combine metrics from Salesforce Marketing Cloud with subscriber engagement insights from Litmus.Screenshot of campaign preview, available in 100+ popular email clientsScreenshot of Litmus' inbox previewing and feedback tools, that help users to spot and fix issues early.

    SendFox Screenshots

    Product screenshot