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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Constant Contact

    Score8 out of 10
    N/AConstant Contact is a full-featured email marketing solution with capabilities such as social media integration, drag-and-drop editing, and real-time reporting. It is a bulk email tool designed for SMB customers. Since 2019, Constant Contact also offers marketing automation features, a website and landing page builder, and other tools to support midsize businesses.

    $12

    per month

    Opal

    Score9.1 out of 10
    Enterprise companies (1,001+ employees)
    Opal is a platform for brands, used to plan, create, and calendar their content - across teams and channels. Opal aims to enable tight alignment and high levels of efficiency. Marketing teams from companies such as Starbucks, Microsoft, and Target use Opal to collaborate, plan, and visualize, while ensuring an always-unified brand voice. Users can: Plan every facet of the brand experience, to ensure consistency throughout every moment and across every…

    $8.29

    per month

    Zimbra

    Score6.9 out of 10
    N/AZimbra is an email and collaboration platform and productivity suite that includes contacts, calendar, tasks, chat and file sharing, plus videoconferencing, document editing, and file storage.N/A
    Pricing
    Constant ContactOpalZimbra
    Editions & Modules
    Lite
    Starting at $12.00
    per month
    Standard
    Starting at $35.00
    per month
    Premium
    Starting at $80.00
    per month
    Opal Pro
    $8.29
    per month
    Opal
    Free Forever
    Teams Pro
    Custom Pricing
    per month
    No answers on this topic
    Offerings
    Pricing Offerings
    Constant ContactOpalZimbra
    Free Trial
    YesNoYes
    Free/Freemium Version
    NoYesNo
    Premium Consulting/Integration Services
    NoNoNo
    Entry-level Setup FeeNo setup feeNo setup feeNo setup fee
    Additional DetailsThe SMS Marketing tool can be added to any Standard or Premium Constant Contact account. SMS is only available in the US for Standard and Premium paid plans. SMS can be added when logged in to an account after purchase. Plans start at $10/month for up to 500 messages.
    More Pricing Information
    Community Pulse
    Constant ContactOpalZimbra
    Considered Multiple Products
    Constant Contact
    No answer on this topic
    OPAL
    No answer on this topic
    Synacor
    No answer on this topic
    Key User Insights
    Would buy again
    85%
    Would buy again
    61 Answers
    No answers on this topic
    No answers on this topic
    Delivers good value for the price
    94%
    Delivers good value for the price
    61 Answers
    No answers on this topic
    No answers on this topic
    Happy with the feature set
    85%
    Happy with the feature set
    61 Answers
    No answers on this topic
    No answers on this topic
    Lived up to sales and marketing promises
    91%
    Lived up to sales and marketing promises
    42 Answers
    No answers on this topic
    No answers on this topic
    Implementation went as expected
    90%
    Implementation went as expected
    46 Answers
    No answers on this topic
    No answers on this topic
    Features
    Constant ContactOpalZimbra
    Email & Online Marketing
    Comparison of Email & Online Marketing features of Constant Contact and Opal and Zimbra by Synacor
    Feature
    Constant Contact
    9.0
    120 Ratings
    11% above category average
    Opal
    -
    Ratings
    Zimbra by Synacor
    -
    Ratings
    WYSIWYG email editor9.7102 Ratings00 Ratings00 Ratings
    Dynamic content9.7104 Ratings00 Ratings00 Ratings
    Ability to test dynamic content8.582 Ratings00 Ratings00 Ratings
    Landing pages9.378 Ratings00 Ratings00 Ratings
    A/B testing8.373 Ratings00 Ratings00 Ratings
    Mobile optimization8.686 Ratings00 Ratings00 Ratings
    Email deliverability reporting9.9116 Ratings00 Ratings00 Ratings
    List management9.3118 Ratings00 Ratings00 Ratings
    Triggered drip sequences7.962 Ratings00 Ratings00 Ratings
    Reporting & Analytics
    Comparison of Reporting & Analytics features of Constant Contact and Opal and Zimbra by Synacor
    Feature
    Constant Contact
    8.5
    117 Ratings
    10% above category average
    Opal
    -
    Ratings
    Zimbra by Synacor
    -
    Ratings
    Dashboards8.488 Ratings00 Ratings00 Ratings
    Standard reports9.8115 Ratings00 Ratings00 Ratings
    Custom reports7.558 Ratings00 Ratings00 Ratings
    Pre-Send Testing
    Comparison of Pre-Send Testing features of Constant Contact and Opal and Zimbra by Synacor
    Feature
    Constant Contact
    8.4
    69 Ratings
    3% above category average
    Opal
    -
    Ratings
    Zimbra by Synacor
    -
    Ratings
    URL Validation8.231 Ratings00 Ratings00 Ratings
    Link Tracking7.934 Ratings00 Ratings00 Ratings
    Image Validation8.932 Ratings00 Ratings00 Ratings
    Inbox Display8.635 Ratings00 Ratings00 Ratings
    Email Accessibility Tools7.928 Ratings00 Ratings00 Ratings
    Spelling and Grammar Check9.856 Ratings00 Ratings00 Ratings
    Spam Testing6.026 Ratings00 Ratings00 Ratings
    Email Previews9.968 Ratings00 Ratings00 Ratings
    Project Management
    Comparison of Project Management features of Constant Contact and Opal and Zimbra by Synacor
    Feature
    Constant Contact
    -
    Ratings
    Opal
    -
    Ratings
    Zimbra by Synacor
    9.0
    6 Ratings
    15% above category average
    Task Management00 Ratings00 Ratings9.86 Ratings
    Gantt Charts00 Ratings00 Ratings8.13 Ratings
    Scheduling00 Ratings00 Ratings9.85 Ratings
    Workflow Automation00 Ratings00 Ratings7.23 Ratings
    Mobile Access00 Ratings00 Ratings9.76 Ratings
    Search00 Ratings00 Ratings9.86 Ratings
    Visual planning tools00 Ratings00 Ratings8.53 Ratings
    Communication
    Comparison of Communication features of Constant Contact and Opal and Zimbra by Synacor
    Feature
    Constant Contact
    -
    Ratings
    Opal
    -
    Ratings
    Zimbra by Synacor
    6.6
    9 Ratings
    19% below category average
    Chat00 Ratings00 Ratings7.07 Ratings
    Notifications00 Ratings00 Ratings5.18 Ratings
    Discussions00 Ratings00 Ratings2.07 Ratings
    Surveys00 Ratings00 Ratings7.72 Ratings
    Internal knowledgebase00 Ratings00 Ratings7.73 Ratings
    Integrates with GoToMeeting00 Ratings00 Ratings7.63 Ratings
    Integrates with Gmail and Google Hangouts00 Ratings00 Ratings8.04 Ratings
    Integrates with Outlook00 Ratings00 Ratings7.53 Ratings
    File Sharing & Management
    Comparison of File Sharing & Management features of Constant Contact and Opal and Zimbra by Synacor
    Feature
    Constant Contact
    -
    Ratings
    Opal
    -
    Ratings
    Zimbra by Synacor
    5.5
    10 Ratings
    38% below category average
    Versioning00 Ratings00 Ratings5.19 Ratings
    Video files00 Ratings00 Ratings1.29 Ratings
    Audio files00 Ratings00 Ratings1.29 Ratings
    Document collaboration00 Ratings00 Ratings5.19 Ratings
    Access control00 Ratings00 Ratings8.75 Ratings
    Advanced security features00 Ratings00 Ratings9.76 Ratings
    Integrates with Google Drive00 Ratings00 Ratings6.62 Ratings
    Device sync00 Ratings00 Ratings6.64 Ratings
    Best Alternatives
    Constant ContactOpalZimbra
    Small Businesses
    Mad Mimi
    Score10 out of 10
    monday marketer (discontinued)
    Score10 out of 10
    Flock
    Score9.5 out of 10
    Medium-sized Companies
    Campaign Monitor by Marigold
    Score9 out of 10
    Adobe Marketing Cloud
    Score9.3 out of 10
    Troop Messenger
    Score9.8 out of 10
    Enterprises
    Emma by Marigold
    Score8.5 out of 10
    Adobe Marketing Cloud
    Score9.3 out of 10
    Cisco Business Edition 7000 (discontinued)
    Score9 out of 10
    All AlternativesView all alternativesView all alternativesView all alternatives
    User Ratings
    Constant ContactOpalZimbra
    Likelihood to Recommend
    9.8
    (135 ratings)
    9.2
    (5 ratings)
    8.0
    (10 ratings)
    Likelihood to Renew
    9.9
    (23 ratings)
    10.0
    (1 ratings)
    -
    (0 ratings)
    Usability
    10.0
    (12 ratings)
    -
    (0 ratings)
    7.0
    (1 ratings)
    Availability
    9.0
    (2 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Performance
    10.0
    (2 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Support Rating
    10.0
    (9 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Online Training
    10.0
    (1 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Implementation Rating
    10.0
    (5 ratings)
    -
    (0 ratings)
    8.0
    (1 ratings)
    Configurability
    10.0
    (1 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    Product Scalability
    10.0
    (1 ratings)
    -
    (0 ratings)
    -
    (0 ratings)
    User Testimonials
    Constant ContactOpalZimbra
    Likelihood to Recommend
    Constant Contact
    Constant Contact is an excellent tool for sending out flyers and newsletters. However, I feel the content's appearance is typically all the same. When I receive an email from Constant Contact, I can immediately identify it - the templates usually all look the same. When sending out communications with images, it is easy to use Constant Contact and link webpages. However, the email layout is always vertical and can get very lengthy. I prefer a more flip-book approach with options to flip the page.
    Incentivized
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    OPAL
    I honestly cannot recommend this tool enough. Opal is such a valuable tool for brand content creators and there is nothing like it available. If you're serious about content marketing and have a need to find ways to collaborate, plan and provide more visibility among teams, then Opal really is the only way to go. One more thing that's not being mentioned: The tool is simply amazing but it's only as amazing is the team behind the tool. Their customer support and willingness to quickly be in touch when needed is a key feature within itself. Seriously, such a good team of people.
    Incentivized
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    Synacor
    Zimbra is great for an email system for a medium or large organization with appropriate IT staffing. The system is easy to use for end-users, and has a fantastic web interface. Unfortunately, it is overly complex, when considering staffing requirements and price, when compared with Office 365 or Google Apps for smaller organizations. For other education customers, it is hard to compete with Microsoft and Google providing their services for "Free" now though
    Incentivized
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    Pros
    Constant Contact
    • Market segmentation is great: my main segmentation is by region because that's how our sales team is divided.
    • Lists: making customized email lists is easy and intuitive; the custom fields allow some flexibility in case our fields don't exactly line up with Constant Contact's.
    • Campaigns: creating campaigns is quick and simple. I especially appreciate the 'resend to non-openers' option. I am constantly using this feature.
    • Subject line generator: I like using the recommended subject lines. I'm able to plug in their recommended ideas, or sometimes, this feature helps me generate my own ideas.
    Read full review
    OPAL
    • Content planning: you can look at one asset and see how it is being used across multiple channels by multiple teams.
    • Content collaboration: it is really easy to see what other people and teams are contributing to an asset, or how they are using it. We can also duplicate content that was created by another team to use as a starting point in our own content collaboration.
    • High level/big picture overview: Opal allows us to see content that is being created, planned and scheduled very easily; it goes beyond social content (which we can also see in Sprinklr) to show us content created across multiple channels.
    Incentivized
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    Synacor
    • Filter emails with specific information required.
    • Very good storage capacity.
    • Has a mobile version and another web.
    • It has a friendly and modern graphic interface.
    • It is compatible with all operating systems.
    Read full review
    Cons
    Constant Contact
    • It would be nice if we had more customizable options for emails - like moving around pictures and text boxes, rather than a set spot for everything to go.
    • I would like it if multiple people could work on a document at one time. So if I'm in charge of graphics, I can get those updated while someone else is entering content, etc.
    Incentivized
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    OPAL
    • No publishing capabilities, for the most part.
    • No analytics tie-ins.
    • Rather pricey.
    • Requires someone to really manage the structure in order to keep the tool organized and use it effectively. When this is done right, though, it's worthwhile.
    Incentivized
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    Synacor
    • Zimbra's mobile application leaves much to be desired; it is its weakest point.
    • This forces the use of third-party applications on smartphones, which only offer a more or less complete integration with the ActiveSync protocol.
    • Zimbra allows for an on-premise scenario, which is not for everyone, especially considering that the trend nowadays is to outsource email; in any case, it also offers this alternative.
    • The cost of Zimbra as a SaaS solution comes too close to that of more widely adopted competing options.
    • Zimbra lacks a robust integrated chat system, which its competitors offer.
    • It lacks AI integration.
    Incentivized
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    Likelihood to Renew
    Constant Contact
    There is no doubt that we are going to renew Constant Contact. We have not just invested a lot of time in learning and creating a great looking product but we have developed a strong database of information that allows us to track how we are doing for each newsletter. This supports our goals of creating products that residents desire and are excited to receive.
    Read full review
    OPAL
    No answers on this topic
    Synacor
    No answers on this topic
    Usability
    Constant Contact
    There is always room for improvement. I don't know how they test their systems, but they should invite not-so computer savvy people to test it. If I, as an expert have problems, they need to think like the technophobe. Since I've used Constant Contact in the past as part of my former employment, I have not viewed any of the tutorials and just jumped in to work on my client's newsletter. With that said, I found some areas easy and some a bit cumbersome
    Read full review
    OPAL
    No answers on this topic
    Synacor
    The web usability of the solution is adequate, with all functions integrated into a single interface. However, it is important to note that in the desktop environment, it lacks its own application and relies on ActiveSync synchronization with reference solutions like Outlook or Thunderbird. Some features, such as the briefcase, will be excluded. The same happens on smartphones.It is also common for competing solutions to include integrated chat or video call tools, which Zimbra lacks. These shortcomings are among the most frequently requested by users.
    Incentivized
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    Reliability and Availability
    Constant Contact
    No major problems in sending out the email campaigns and accessing the analytics
    Incentivized
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    OPAL
    No answers on this topic
    Synacor
    No answers on this topic
    Performance
    Constant Contact
    The system seemed quite slow sometimes. Specifically, there was sometimes a delay in sends if it was during a high traffic period. There were time-outs when uploading new code for an email, and a lag in reporting analytics which was sometimes as long as 72 hours
    Read full review
    OPAL
    No answers on this topic
    Synacor
    No answers on this topic
    Support Rating
    Constant Contact
    I think the overall support for Constant Contact has always been incredible; I have nothing negative to say. Our customer support representative was attentive, easy to understand, and very knowledgeable. I never felt like I wasn't a priority of his and my issues, while very small, were fixed in a very short time frame.
    Read full review
    OPAL
    No answers on this topic
    Synacor
    No answers on this topic
    Implementation Rating
    Constant Contact
    Implementation is very easy for someone who wants to send out the “batch and blast” type newsletters. If you want to use their templates with no customizations, the product works fine. However, the more customizations you get into involving link color, etc, that’s where things can get tricky for someone who may not be familiar with coding
    Read full review
    OPAL
    No answers on this topic
    Synacor
    Overall, we were satisfied with the implementation. We perhaps should have spent more time consulting with Zimbra or others regarding best practices but as we got to know the system better we were able to make changes relatively easily after the fact.
    Incentivized
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    Alternatives Considered
    Constant Contact
    Constant Contact is much more intuitive for people who are not tech-savvy. Also, while sendgrid offered more options in it's drag and drop interface, it displayed differently across different email clients, which made it very cumbersome to use. It also took much longer to upload contact lists and it was harder to manage existing contacts. Performance in sendgrid was much slower as well, and the Preview feature was quite buggy. Our team initially chose sendgrid because of the integration options that it's API offered, but we ultimately switched to Constant Contact because it was much easier to build campaigns and better suited our requirements.
    Read full review
    OPAL
    You get for what you paid for. Opal has more features
    Incentivized
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    Synacor
    Zimbra is a significantly cheaper option than one of the Microsoft solutions, such as Exchange. It is able to run in a free environment, as it is in the case of Linux. It offers the advantages of a powerful mail manager, such as indexed searches and the integration of contacts and notes, all in one platform. It is constantly updated and the operation of its connection in mobile equipment is remarkable and very efficient. Additionally, it is able to easily integrate with Outlook solutions with its connector, which brings all the benefits of Zimbra to the user under the interface known as "mail manager." So far, I have been using Zimbra for several years and I have not missed my previous work platforms.
    Incentivized
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    Scalability
    Constant Contact
    Very reliable in sending email campaigns and controlling the recipients so that no contact is sent the same email more than once, even if they are on a resent list
    Incentivized
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    OPAL
    No answers on this topic
    Synacor
    No answers on this topic
    Return on Investment
    Constant Contact
    • I have had nothing but positive impacts from using Constant Contact.
    • The church is large, and there are many subgroups and axillary groups within the church. Setting up specific groups based on responsibility, interest, member goals, and service needs allows me to send information quickly, saving valuable time for other tasks.
    • Constant Contact allows leadership to stay personally engaged with the members I work with, without over-taxing my time. It feels so seamless.
    Incentivized
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    OPAL
    • Opal allows for more discipline in marketing as teams are better aligned on messaging and big moments.
    • Opal cuts down on communication breakdowns and mistakes, which in the end leads to more happy customers.
    • I think Opal provides the team with more confidence as everyone is on the same page. With everything in one place rather than communications being lost in emails, etc., everyone is more efficient and can work knowing that there is one source of truth.
    Incentivized
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    Synacor
    • Zimbra is a cheaper email service than other similar platforms and in my point of view offers better features, that's why the company migrated services to this platform several years ago and without a doubt, it has been the best investment.
    • Zimbra has a more user-friendly interface for employees, this has improved response times to external customers of the company.
    • The implementation of Zimbra in the company motivated the IT engineering department to make improvements in open source to adapt it to the needs of the company.
    Incentivized
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    ScreenShots

    Constant Contact Screenshots

    Screenshot of the AI Content Generator that can be used to create content for emails, social posts, or SMS.Screenshot of an example automation workflow. These help to ensure a business's marketing is always on.Screenshot of some of the available pre-built email templates, that can be edited with the included drag-and-drop email editor.Screenshot of the Social Posting tool, used to plan and post social media messaging across platforms.Screenshot of the SMS Marketing feature.Screenshot of some of Constant Contact's available integrations.

    Opal Screenshots

    Screenshot of Preview content exactly as it will appear in market to the audience. Collaborate with teammates and track changes in the  Chat & Activity window.Screenshot of View scheduled Moments across all campaigns on the Calendar -- by day, week, or month.Screenshot of Plan marketing content and campaigns using Boards, a free-form space for brainstorming, briefing, and scenario planning.

    Zimbra Screenshots

    Product screenshotProduct screenshotProduct screenshot