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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    OpenPhone

    Score9.3 out of 10
    N/AOpenPhone, a business phone service from the company of the same name in San Francisco, adds work phone numbers to existing devices. No new hardware required; all that's required is an app. Extended services include a lightweight contact management CRM, and customer service team management (e.g. shared inbox) features.

    $15

    per month per user

    Rakuten Viber

    Score9.8 out of 10
    N/AViber, now from Rakuten (acquired 2014) is an instant messaging and cross-platform VoIP software solution designed for personal use and available for both desktops and as a mobile app. It includes features such as video and audio calls, instant message, and unlimited-member group chats. Users can also make paid international calls.

    $0.02

    Per Minute

    Pricing
    OpenPhoneRakuten Viber
    Editions & Modules
    Starter
    $15
    per month per user
    Business
    $23
    per month per user
    Enterprise
    Custom Pricing
    USA
    $0.019
    Per Minute
    UK
    $0.019
    Per Minute
    Offerings
    Pricing Offerings
    OpenPhoneRakuten Viber
    Free Trial
    YesNo
    Free/Freemium Version
    NoNo
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional DetailsDiscounts available for annual pricing.—
    More Pricing Information
    Community Pulse
    OpenPhoneRakuten Viber
    Considered Both Products
    OpenPhone
    No answer on this topic
    Rakuten
    No answer on this topic
    Key User Insights
    Would buy again
    90%
    Would buy again
    9 Answers
    67%
    Would buy again
    6 Answers
    Delivers good value for the price
    88%
    Delivers good value for the price
    7 Answers
    89%
    Delivers good value for the price
    8 Answers
    Happy with the feature set
    90%
    Happy with the feature set
    9 Answers
    89%
    Happy with the feature set
    8 Answers
    Lived up to sales and marketing promises
    90%
    Lived up to sales and marketing promises
    9 Answers
    No answers on this topic
    Implementation went as expected
    90%
    Implementation went as expected
    9 Answers
    83%
    Implementation went as expected
    5 Answers
    Features
    OpenPhoneRakuten Viber
    Cloud PBX
    Comparison of Cloud PBX features of OpenPhone and Rakuten Viber
    Feature
    OpenPhone
    5.8
    5 Ratings
    31% below category average
    Rakuten Viber
    9.5
    13 Ratings
    18% above category average
    Hosted PBX4.64 Ratings9.56 Ratings
    Multi-level Interactive Voice Response (IVR)4.65 Ratings9.78 Ratings
    User templates8.14 Ratings8.87 Ratings
    Call reports4.64 Ratings9.89 Ratings
    Directory of employee names7.24 Ratings9.78 Ratings
    Call Management
    Comparison of Call Management features of OpenPhone and Rakuten Viber
    Feature
    OpenPhone
    7.6
    9 Ratings
    10% below category average
    Rakuten Viber
    9.3
    15 Ratings
    10% above category average
    Answering rules7.26 Ratings9.59 Ratings
    Call recording7.28 Ratings9.79 Ratings
    Call park7.25 Ratings8.84 Ratings
    Call screening7.27 Ratings8.89 Ratings
    Message alerts9.07 Ratings9.814 Ratings
    VoIP system collaboration
    Comparison of VoIP system collaboration features of OpenPhone and Rakuten Viber
    Feature
    OpenPhone
    5.8
    10 Ratings
    32% below category average
    Rakuten Viber
    9.6
    13 Ratings
    19% above category average
    Video conferencing4.62 Ratings9.513 Ratings
    Audio conferencing4.65 Ratings9.713 Ratings
    Video screen sharing5.01 Ratings9.05 Ratings
    Instant messaging9.010 Ratings10.09 Ratings
    Mobile apps
    Comparison of Mobile apps features of OpenPhone and Rakuten Viber
    Feature
    OpenPhone
    5.9
    10 Ratings
    29% below category average
    Rakuten Viber
    10.0
    18 Ratings
    23% above category average
    Mobile app for iOS4.610 Ratings10.017 Ratings
    Mobile app for Android7.25 Ratings10.017 Ratings
    Best Alternatives
    OpenPhoneRakuten Viber
    Small Businesses
    Zoom Phone
    Score9 out of 10
    Zoom Phone
    Score9 out of 10
    Medium-sized Companies
    Cisco Unified Communications Manager (Call Manager)
    Score8.6 out of 10
    Cisco Unified Communications Manager (Call Manager)
    Score8.6 out of 10
    Enterprises
    Google Voice
    Score7.8 out of 10
    Google Voice
    Score7.8 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    OpenPhoneRakuten Viber
    Likelihood to Recommend
    9.0
    (10 ratings)
    9.6
    (18 ratings)
    Usability
    7.2
    (2 ratings)
    -
    (0 ratings)
    Availability
    1.0
    (1 ratings)
    -
    (0 ratings)
    Performance
    1.0
    (1 ratings)
    -
    (0 ratings)
    Support Rating
    1.0
    (1 ratings)
    9.4
    (7 ratings)
    Contract Terms and Pricing Model
    1.0
    (1 ratings)
    -
    (0 ratings)
    Product Scalability
    1.0
    (1 ratings)
    -
    (0 ratings)
    Vendor post-sale
    1.0
    (1 ratings)
    -
    (0 ratings)
    Vendor pre-sale
    1.0
    (1 ratings)
    -
    (0 ratings)
    User Testimonials
    OpenPhoneRakuten Viber
    Likelihood to Recommend
    OpenPhone
    If you have more than 2 people in your organization, then this will save you so much time. Delegation is the key to starting a business. Even when you're a 1 person show, being able to present to your user base the differentiation of options for client communications is critical. As a founder, feeling compelled to be always on is something I strive not to be. OpenPhone gives you that flexibility. I have found it to be less appropriate in complex HIPPA compliant areas, but that is it. OpenPhone really does seem to suit an open array of use cases.
    Incentivized
    Read full review
    Rakuten
    As mentioned previously, it is easy to use and access since the you can chat, send voice memos or stickers in a conversation. So in overall it's very entertaining. But throughout that, the audio quality can seem to be a bit off. (Could be personal headset issue) Overall that is the only issue that is present or consistent.
    Incentivized
    Read full review
    Pros
    OpenPhone
    • It's great for texting.
    • It's great for making phone calls. You get a new, unique phone number and can text/call from phone or desktop.
    • UI is great and really intuitive.
    Incentivized
    Read full review
    Rakuten
    • Viber is a cross platform product. It does not matter if someone uses Android or iOS device, it will work exactly the same.
    • Also the desktop version is very good. You can switch between the desktop and mobile versions within a conversation and see updates right away.
    • It's a very international product. It has been available for very long time, which makes it very wide spread - it has a good user base.
    • You can see the status of your messages.
    Incentivized
    Read full review
    Cons
    OpenPhone
    • Web app could work better in my experience
    • Pricing could be lower
    • Somehow connect with whatsapp or / and other messaging apps that people commonly use
    Incentivized
    Read full review
    Rakuten
    • When someone sends a file in Viber, the program automatically saves it in your phone memory. This means that you must delete them manually and it really annoys me, as it takes a lot of time to do that.
    • It contains enormous amounts of adds.
    • There is file sharing limit.
    Incentivized
    Read full review
    Usability
    OpenPhone
    In my experience, App features are buggy and confusing, and they often don't match the descriptions and screenshots in their documentation. In fact, many of their help links go to 404 "page not found" errors. In my experience, there are frequent outages and quality issues. My customers prefer to talk to me on a different line, because they find it difficult to understand me on OpenPhone.
    Read full review
    Rakuten
    No answers on this topic
    Reliability and Availability
    OpenPhone
    For me, there have been too many outages to rate this higher than "1 worst".
    Read full review
    Rakuten
    No answers on this topic
    Performance
    OpenPhone
    I think the platform is buggy and confusing. There are numerous outages. And the call quality, according to my customers, is atrocious.
    Read full review
    Rakuten
    No answers on this topic
    Support Rating
    OpenPhone
    In my experience, their support feels like the opposite of support. They send you in circles, never directly answer questions, provide vague suggestions with unwanted platitudes, and they often take days between responses to provide that. For me, it's a frustrating experience that leaves you with a net loss of time and energy versus before you reached out to them. In my opinion, you definitely don't get "support".
    Read full review
    Rakuten
    I have not frequently used the support for Viber as I have not had many problems with it on my phone. I did use support one time for problems with the computer application and used the forums to solve my problems. They were fairly easy to follow and I appreciated the online help in that format.
    Incentivized
    Read full review
    Alternatives Considered
    OpenPhone
    OpenPhone has an easier user interface than Grasshopper. Years ago when I was using Grasshopper, I recall that their user interface looked antiquated and full of complications. They would also update the interface just as everyone was getting used to using it. OpenPhone has many more functions. Grasshopper's app did not offer basic functions such as in-app texting between team members, and its call transfer function was incredibly complicated to use. In my opinion, Grasshopper was an inferior service/product in almost every way.
    Incentivized
    Read full review
    Rakuten
    End-to-end encryption scrambles my messages and delivers them as a scrambled code to my friend's device, whether mobile or desktop, so that only their device can decode them into plain text. If my friend's phone is turned off or they don't have access to the internet, my message will be stored on Viber's servers (for a limited time) until their device is ready to receive it.

    Because Viber can't access or read my private conversations in the first place, Viber can't sell them.
    Incentivized
    Read full review
    Contract Terms and Pricing Model
    OpenPhone
    In my experience, Billing lacks transparency, and they have made billing errors (overcharging me) since I started using them. I think the "trust registration" is an insane ripoff charging around $20 for every attempt. Crazy.
    Read full review
    Rakuten
    No answers on this topic
    Scalability
    OpenPhone
    In my experience, I can't even scale up to sending messages from a single number because of their broken and messed up "trust registration" system.
    Read full review
    Rakuten
    No answers on this topic
    Return on Investment
    OpenPhone
    • Provided us with a simple, yet robust phone system for our small business
    • Price can be lower for premium, and for multiple users
    Incentivized
    Read full review
    Rakuten
    • Viber saves me financially since I am now able to communicate with my international clients for free.
    • Viber helps keep my clients engaged by the fact that I can so easily share photos, which is important as a freelance photographer.
    • Viber allows me to make my messages to clients appealing in a visual way, which I have noticed helps drive actions of my clients, such as remembering to book their next session or pay for their photo order.
    Incentivized
    Read full review
    ScreenShots