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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    eFax Corporate

    Score6.9 out of 10
    N/AeFax is an encrypted cloud-based fax service that allows users to send, receive, and edit faxes online, from email, or from a mobile application. It provides users with a unique fax number attached to their email address, thereby avoiding the need to use a fax machine or print incoming faxes.N/A

    Slack

    Score9 out of 10
    N/ASlack is a group messaging or team collaboration app that aims to simplify communication for businesses. Features include open discussions, private groups, and direct messaging, as well as deep contextual search and message archiving, and file sharing. Slack integrates with a number of other tools, such as MailChimp, Dropbox, and Google Drive. Slack was acquired by Salesforce in December 2020. The product is free to use, and also has paid plans with more features and greater controls. The…

    $8.75

    per month per user

    Pricing
    eFax CorporateSlack
    Editions & Modules
    No answers on this topic
    Free
    $0
    Pro
    $7.25*
    per month per user
    Business+
    $12.50*
    per month per user
    Enterprise
    Contact Sales
    Offerings
    Pricing Offerings
    eFax CorporateSlack
    Free Trial
    NoYes
    Free/Freemium Version
    NoYes
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional Details—*Per active user, per month, when paying once a year. Pro is $8.75 USD per active user when paying month to month. Business+ is $15.00 USD per active user when paying month to month.
    More Pricing Information
    Community Pulse
    eFax CorporateSlack
    Considered Both Products
    Consensus Cloud Solutions
    No answer on this topic
    Salesforce
    No answer on this topic
    Key User Insights
    Would buy again
    92%
    Would buy again
    11 Answers
    97%
    Would buy again
    503 Answers
    Delivers good value for the price
    91%
    Delivers good value for the price
    10 Answers
    99%
    Delivers good value for the price
    426 Answers
    Happy with the feature set
    92%
    Happy with the feature set
    11 Answers
    98%
    Happy with the feature set
    510 Answers
    Lived up to sales and marketing promises
    88%
    Lived up to sales and marketing promises
    7 Answers
    98%
    Lived up to sales and marketing promises
    295 Answers
    Implementation went as expected
    89%
    Implementation went as expected
    8 Answers
    99%
    Implementation went as expected
    330 Answers
    Features
    eFax CorporateSlack
    Project Management
    Comparison of Project Management features of eFax Corporate and Slack
    Feature
    eFax Corporate
    -
    Ratings
    Slack
    7.9
    628 Ratings
    2% above category average
    Task Management00 Ratings7.6430 Ratings
    Gantt Charts00 Ratings6.961 Ratings
    Scheduling00 Ratings7.8363 Ratings
    Workflow Automation00 Ratings8.0396 Ratings
    Mobile Access00 Ratings9.4601 Ratings
    Search00 Ratings8.2608 Ratings
    Visual planning tools00 Ratings7.3275 Ratings
    Communication
    Comparison of Communication features of eFax Corporate and Slack
    Feature
    eFax Corporate
    -
    Ratings
    Slack
    8.7
    636 Ratings
    9% above category average
    Chat00 Ratings9.6635 Ratings
    Notifications00 Ratings8.7632 Ratings
    Discussions00 Ratings9.2620 Ratings
    Surveys00 Ratings8.1413 Ratings
    Internal knowledgebase00 Ratings7.8412 Ratings
    Integrates with GoToMeeting00 Ratings8.9110 Ratings
    Integrates with Gmail and Google Hangouts00 Ratings8.7182 Ratings
    Integrates with Outlook00 Ratings8.9120 Ratings
    File Sharing & Management
    Comparison of File Sharing & Management features of eFax Corporate and Slack
    Feature
    eFax Corporate
    -
    Ratings
    Slack
    8.4
    603 Ratings
    4% above category average
    Versioning00 Ratings8.2326 Ratings
    Video files00 Ratings8.2541 Ratings
    Audio files00 Ratings8.4527 Ratings
    Document collaboration00 Ratings7.9429 Ratings
    Access control00 Ratings8.3411 Ratings
    Advanced security features00 Ratings8.3362 Ratings
    Integrates with Google Drive00 Ratings9.0211 Ratings
    Device sync00 Ratings9.0455 Ratings
    Best Alternatives
    eFax CorporateSlack
    Small Businesses
    No answers on this topic
    Flock
    Score9.5 out of 10
    Medium-sized Companies
    OpenText XM Fax
    Score10 out of 10
    Troop Messenger
    Score9.8 out of 10
    Enterprises
    OpenText XM Fax
    Score10 out of 10
    Cisco Business Edition 7000 (discontinued)
    Score9 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    eFax CorporateSlack
    Likelihood to Recommend
    10.0
    (17 ratings)
    9.1
    (639 ratings)
    Likelihood to Renew
    -
    (0 ratings)
    10.0
    (25 ratings)
    Usability
    8.0
    (1 ratings)
    9.0
    (255 ratings)
    Availability
    -
    (0 ratings)
    10.0
    (2 ratings)
    Performance
    -
    (0 ratings)
    10.0
    (2 ratings)
    Support Rating
    9.0
    (4 ratings)
    10.0
    (68 ratings)
    Implementation Rating
    -
    (0 ratings)
    8.9
    (5 ratings)
    Configurability
    -
    (0 ratings)
    10.0
    (2 ratings)
    Contract Terms and Pricing Model
    -
    (0 ratings)
    10.0
    (1 ratings)
    Ease of integration
    -
    (0 ratings)
    9.7
    (2 ratings)
    Product Scalability
    -
    (0 ratings)
    10.0
    (1 ratings)
    Professional Services
    -
    (0 ratings)
    10.0
    (1 ratings)
    Vendor post-sale
    -
    (0 ratings)
    10.0
    (1 ratings)
    Vendor pre-sale
    -
    (0 ratings)
    10.0
    (1 ratings)
    User Testimonials
    eFax CorporateSlack
    Likelihood to Recommend
    Consensus Cloud Solutions
    For the daily faxing needs, eFax gets the job done. We get notified when the fax has been received or sent successfully, but it takes so long at times. I'm not sure if it's eFax's encryption system that is delaying the Rx/Tx time, but it needs to be improved immediately.
    Incentivized
    Read full review
    Salesforce
    Slack is ideal for Scrum and agile teams that need continuous communication during sprint planning, daily stand-ups, backlog refinement, testing, and retrospectives. Slack is well-suited for maintaining team knowledge through searchable conversations and dedicated channels, where experienced team members help onboard new QA analysts.
    Read full review
    Pros
    Consensus Cloud Solutions
    • The fax always goes through, there are no issues with reliability.
    • It offers a variety of features such as taking photos and saving files.
    • It can receive faxes too.
    • It can save faxes for a long time and allows you to save contacts.
    Incentivized
    Read full review
    Salesforce
    • Customer issues: Threads feature allows us to group a particular issue in a single thread and discuss within that thread. I can use the thread link to embed in JIRA ticket for tracking progress in JIRA (which is our details engineering tracking system).
    • Ability to add folder to Slack channel helps keep important information, documents easily accessible. e.g., we use this to keep a "ramp up" folder that can be used by any new joiner.
    • Global search is effective when I forget which group a particular message was in.
    Read full review
    Cons
    Consensus Cloud Solutions
    • The user interface could use some work, as it's a little dated looking, and it's not so simple to receive faxes, at times.
    • Administrator functions. If the user's account is locked for any reason, the administrator cannot unlock their account. It causes a lot of inconveniences.
    • Unable to see the bill. For whatever reason, eFax does not allow viewing the bill from the online portal.
    Incentivized
    Read full review
    Salesforce
    • Would love a better integration with GitHub. For example, notifications when your PR is updated, when review is requested, @-mention in comments, etc.
    • Improved "Later" tab, for example the ability to create to-do lists or making the "Later" tab into a more powerful to-do list (annotate items with notes)
    • More powerful integrations, e.g. Google Calendar could render a calendar view within Slack, rather than sending the daily schedule
    Incentivized
    Read full review
    Likelihood to Renew
    Consensus Cloud Solutions
    No answers on this topic
    Salesforce
    To be more transparent, I give 10 because Slack serves our collaboration needs. It provide us a good platform for team communication relaying important update within the company, it has even mobile app where you can install in your phone to monitor any updates within that team that needs your immediate attention and intervention.
    Incentivized
    Read full review
    Usability
    Consensus Cloud Solutions
    For our logistics side of the business, we use eFax to receive orders. We are using it to transmit a variety of documents as well. It comes in handy if you really need to accept faxes.
    Incentivized
    Read full review
    Salesforce
    Slack has good usability. Devs that are not familiar with the platform are able to jump into conversations and start sharing code and links within just minutes. Non developers are also able to understand the layout such as the Project Managers that are keeping the projects on track. We have not seen any tickets where employees are having trouble understanding Slack.
    Incentivized
    Read full review
    Reliability and Availability
    Consensus Cloud Solutions
    No answers on this topic
    Salesforce
    Yes, the app works 24/7. I don't even recall having any period that we could not use since the implementation. Even the maintenance periods are barely noticeable and our work is not impacted by it when it happens.
    Incentivized
    Read full review
    Performance
    Consensus Cloud Solutions
    No answers on this topic
    Salesforce
    Slack is a soft app, we don't have many issues with it. I recall one or two people complaining about something during our usage period, but I didn't have a bad experience. When the app is slow, usually the problem is with my computer or my internet. The app works just fine.
    Incentivized
    Read full review
    Support Rating
    Consensus Cloud Solutions
    eFax support is great. They are quick to assist you with any issue regarding eFax. I haven't had to wait long on support services or answers. During an outage seems to be when the queue times get long but on a normal day, they are quick to answer and fast on a solution.
    Incentivized
    Read full review
    Salesforce
    Whenever I've had to troubleshoot an issue with Slack (which, to be honest, has not happened very often), their online documentation has been easy to locate, easy to understand, and effective in resolving my issue. Slack's ever-growing popularity also means that there's a large community of practice out there that can be depended upon.
    Incentivized
    Read full review
    Implementation Rating
    Consensus Cloud Solutions
    No answers on this topic
    Salesforce
    I was not part of the implementation team, but I recall being 100% happy and excited to learn and use a new tool. I'm still am to be honest.
    Incentivized
    Read full review
    Alternatives Considered
    Consensus Cloud Solutions
    eFax is for serious business professionals and it comes with so many tools, including a free App and a desktop app, which makes it extremely easy for you and your employees to send and receive faxes. You can take a photo of a document and fax it over to someone in another state in a few minutes!
    Incentivized
    Read full review
    Salesforce
    I like Slack better than ClickUp, because I would spend 30-60 minutes a day updating my ClickUp tasks. The way ClickUp was used was very micromanaging. I billed by the hour, so I was willing to put in the time to alert the boss what tasks I was working on.
    One of my jobs used Hive - I mostly just ran it in the background in case anyone messaged me. I did not use it often.
    Incentivized
    Read full review
    Return on Investment
    Consensus Cloud Solutions
    • We were able to reduce costs by using eFax and make our faxing company-wide simpler!
    • We were able to remove a landline for faxing.
    Incentivized
    Read full review
    Salesforce
    • Slack has been incredibly helpful in connecting various tech apps and ecosystems, creating a more streamlined and responsive process.
    • Slack has made it significantly easier to communicate with our team members across multiple time zones, creating a more engaging environment for our all-remote team.
    Incentivized
    Read full review
    ScreenShots