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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

    Twilio

    Score7.7 out of 10
    N/ATwilio offers a CPaaS and CCaaS solution, with the combination of its programmable Voice, Video, and Messaging APIs, as well as the Twilio Flex cloud contact center. Additional capabilities include Twilio's Elastic SIP Trunking, as well as API for WhatsApp.

    $0

    per min per participant

    Pricing
    Litmus from ValidityTwilio
    Editions & Modules
    No answers on this topic
    Programmable Video
    $0.0015
    per min per participant
    WhatsApp Business API
    $0.0042
    Per WhatsApp Template message sent
    WhatsApp Business API
    $0.005
    Per WhatsApp session message
    Elastic SIP Trunking
    $0.007
    Per min for termination
    Programmable Messaging
    $0.0075
    per message sent or received
    Programmable Voice
    $0.0085
    per minute to receive a call
    Programmable Voice
    $0.013
    per min to make a call
    Elastic SIP Trunking
    $0.045
    Per min for origination
    Twilio Conversations
    $0.05
    per active user per month
    Twilio Authy
    $0.09
    per authentication
    Programmable Wireless
    $0.1
    per MB
    Twilio Flex (Contact Center)
    $1
    per active user hour (5000 hours free)
    Programmable Wireless
    $2.00
    per SIM card
    Twilio SendGrid Email API
    $14.95
    per month up to 100k emails. (Up to 40k emails free for 30 days)
    Twilio SendGrid Marketing Campaigns
    $15
    per month for 5,000 contacts and 15,000 emails. Your first 2,000 contacts are free
    Twilio Flex (Contact Center)
    $150
    per named user per month (5000 hours free)
    Offerings
    Pricing Offerings
    Litmus from ValidityTwilio
    Free Trial
    NoYes
    Free/Freemium Version
    NoNo
    Premium Consulting/Integration Services
    NoYes
    Entry-level Setup FeeNo setup feeOptional
    Additional Details—1. Pay-as-you-go pricing: Simple usage-based pricing without contracts. 2. Volume discounts: Discounts trigger as usage grows. 3. Free trial credit that includes full API access.
    More Pricing Information
    Community Pulse
    Litmus from ValidityTwilio
    Considered Both Products
    Validity
    Chose Litmus from Validity
    Considerably better testing capabilities than Mailchimp and sendgrid.
    Considerably better email editor than Mailchimp.
    Better metrics that Mailchimp.
    Incentivized
    Chose Litmus from Validity
    Litmus has a more friendly interface that makes it a lot easier to work with your teammates and to use the platform.
    Incentivized
    Chose Litmus from Validity
    I know that Braze has a preview window that automatically populates next to the email HTML when working on it, but I am not sure if this extends across all email clients
    Incentivized
    Chose Litmus from Validity
    Litmus has the better UI, and the better debug environment via it's HTML builder
    Incentivized
    Twilio
    No answer on this topic
    Key User Insights
    Would buy again
    99%
    Would buy again
    292 Answers
    92%
    Would buy again
    66 Answers
    Delivers good value for the price
    98%
    Delivers good value for the price
    212 Answers
    92%
    Delivers good value for the price
    58 Answers
    Happy with the feature set
    99%
    Happy with the feature set
    294 Answers
    94%
    Happy with the feature set
    68 Answers
    Lived up to sales and marketing promises
    98%
    Lived up to sales and marketing promises
    173 Answers
    88%
    Lived up to sales and marketing promises
    45 Answers
    Implementation went as expected
    98%
    Implementation went as expected
    174 Answers
    89%
    Implementation went as expected
    56 Answers
    Features
    Litmus from ValidityTwilio
    Email & Online Marketing
    Comparison of Email & Online Marketing features of Litmus from Validity and Twilio
    Feature
    Litmus from Validity
    6.8
    376 Ratings
    17% below category average
    Twilio
    -
    Ratings
    WYSIWYG email editor9.158 Ratings00 Ratings
    Dynamic content8.659 Ratings00 Ratings
    Ability to test dynamic content8.1238 Ratings00 Ratings
    Landing pages2.64 Ratings00 Ratings
    A/B testing6.511 Ratings00 Ratings
    Mobile optimization9.4351 Ratings00 Ratings
    Email deliverability reporting8.5272 Ratings00 Ratings
    List management7.08 Ratings00 Ratings
    Triggered drip sequences1.02 Ratings00 Ratings
    Reporting & Analytics
    Comparison of Reporting & Analytics features of Litmus from Validity and Twilio
    Feature
    Litmus from Validity
    7.1
    255 Ratings
    7% below category average
    Twilio
    -
    Ratings
    Dashboards7.229 Ratings00 Ratings
    Standard reports7.5252 Ratings00 Ratings
    Custom reports6.6180 Ratings00 Ratings
    Pre-Send Testing
    Comparison of Pre-Send Testing features of Litmus from Validity and Twilio
    Feature
    Litmus from Validity
    8.5
    356 Ratings
    4% above category average
    Twilio
    -
    Ratings
    URL Validation9.3268 Ratings00 Ratings
    Link Tracking9.2233 Ratings00 Ratings
    Image Validation7.65 Ratings00 Ratings
    Inbox Display8.56 Ratings00 Ratings
    Email Accessibility Tools6.73 Ratings00 Ratings
    Spelling and Grammar Check7.31 Ratings00 Ratings
    Spam Testing9.5267 Ratings00 Ratings
    Email Previews9.6353 Ratings00 Ratings
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    Litmus from ValidityTwilio
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    Score10 out of 10
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    Score7.8 out of 10
    Medium-sized Companies
    Campaign Monitor by Marigold
    Score9 out of 10
    Customer.io
    Score9.1 out of 10
    Enterprises
    Emma by Marigold
    Score8.5 out of 10
    SAP Service Cloud
    Score8.5 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Litmus from ValidityTwilio
    Likelihood to Recommend
    9.2
    (428 ratings)
    8.1
    (94 ratings)
    Likelihood to Renew
    9.0
    (32 ratings)
    7.5
    (5 ratings)
    Usability
    8.0
    (22 ratings)
    9.5
    (10 ratings)
    Availability
    7.6
    (8 ratings)
    -
    (0 ratings)
    Performance
    7.3
    (8 ratings)
    8.0
    (38 ratings)
    Support Rating
    9.1
    (2 ratings)
    5.7
    (16 ratings)
    In-Person Training
    4.5
    (2 ratings)
    -
    (0 ratings)
    Online Training
    4.5
    (3 ratings)
    -
    (0 ratings)
    Implementation Rating
    2.2
    (13 ratings)
    9.5
    (2 ratings)
    Configurability
    3.9
    (7 ratings)
    -
    (0 ratings)
    Contract Terms and Pricing Model
    -
    (0 ratings)
    10.0
    (1 ratings)
    Ease of integration
    10.0
    (2 ratings)
    -
    (0 ratings)
    Product Scalability
    3.9
    (8 ratings)
    -
    (0 ratings)
    Professional Services
    -
    (0 ratings)
    10.0
    (1 ratings)
    Vendor post-sale
    3.6
    (5 ratings)
    -
    (0 ratings)
    Vendor pre-sale
    5.5
    (4 ratings)
    -
    (0 ratings)
    User Testimonials
    Litmus from ValidityTwilio
    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
    Twilio
    I have tried other competitors. But I always end up going back to Twilio because I feel like it is dependable, easy to use, and, has competitive pricing. The only time I wouldn't recommend Twilio to someone as if they are completely inexperienced about using webhooks or APIs. Because you can't really just sign up and start using Twilio without connecting it to another platform first.
    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
    Twilio
    • Easy to see my team in one place, when they log in and out and what call status they are in.
    • Twilio is a simple, user friendly way to log in and out of work activities.
    • Excellent services and support.
    • The omnichannel feature which allows agents to get request from all channels.
    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
    Twilio
    • Control panel. Often, navigating through lists is challenging. I want endless scrolling, not pagination.
    • Conversational intelligence service require a Language. I would like it to detect it.
    • We would like to have some credit on clients that chose to use their own Twilio account.
    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
    Twilio
    Unless we can get this handled quickly -- less than 1 week -- we will likely switch to another provider who, in my opinion, we'll have to spend close to $3,000 in development time to build a new integration for texting. Our clients need texting and I feel Twilio has failed us miserably.
    Incentivized
    Read full review
    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
    Twilio
    Twilio has well documented APIs and examples. There are several tutorials, videos and Q&As regarding their services. So, usability is very good. I must say that advanced knowledge of telephony, API/Programming and error-handling is essential to make good use of Twilio. It's not just plug-and-play unless you are integrated with a system that has all of the programming built for it.
    Incentivized
    Read full review
    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
    Twilio
    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
    Twilio
    Twilio executes what it is designed to do: send SMS messages at scale while providing very good deliverability. I believe that Twilio is very good at what we use for adding SMS messages to our comms strategy. We can see those messages get opened and replied to, which is exactly what we are looking to achieve.
    Incentivized
    Read full review
    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
    Twilio
    I have not had to communicate with Twilio support in the last 3 years but my past experience with them has been very positive. They replied to my previous requests promptly and kept me well informed to resolve my inquiries. With their documentation that's available, I hardly imagine why anyone would need to contact support since it's all there in a concise and easy to understand format. It would probably take you longer to type out a support ticket than to just open their doc websites.
    Incentivized
    Read full review
    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
    Twilio
    No answers on this topic
    Online Training
    Validity
    It has all the required information.
    Incentivized
    Read full review
    Twilio
    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
    Twilio
    The developer APIs and SDKs are super easy to follow.
    Incentivized
    Read full review
    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
    Twilio
    We evaluated many fundraising-based text-to-give programs and found the subscriptions prohibitively expensive for our small scale and uncertain first few years of development. While we may be willing to invest that kind of money after discovering how things work, we're happy with Twilio now and have no desire to start over.
    Incentivized
    Read full review
    Contract Terms and Pricing Model
    Validity
    No answers on this topic
    Twilio
    Being in South Africa, direct local currency support would be nice
    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
    Twilio
    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
    Twilio
    • We found that associates who had the opportunity to respond to a survey about their assigned job were 37% more likely to return to a job site
    • We were able to reduce the number of resources required to manually respond to associates using Twilio Studio, so those resources could have more time to complete other tasks
    • We were able to scale the number of associates who received survey messages at least by a factor of 8 without increasing our resource demand
    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.

    Twilio Screenshots

    Screenshot of the “Explore Products” section, which is where to build products.Screenshot of the optional drag-and-drop visual editor and code editor.Screenshot of Flex, which is a programmable Contact Center that puts you in control.