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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Customer.io

    Score9.1 out of 10
    Small Businesses (1-50 employees)
    Customer.io is a customer engagement platform that enables marketers to build sophisticated automated messaging campaigns. With access to real-time behavioral data, users can create personalized and relevant messages to engage and retain customers. This includes sending emails, push notifications, SMS, in-app messages, and more through a visual building experience. Built for scale, Customer.io boasts users among over 5,300 companies, sending over 17 billion messages per year.

    $100

    per month

    Google Voice

    Score8 out of 10
    N/AGoogle Voice is a free IP telephony service that provides users with one phone number that can be forwarded to multiple phones or devices. It includes features such as call forwarding, voicemail translation, text messaging, and voice calls. Fees may apply for international calling.

    $10

    per month

    Pricing
    Customer.ioGoogle Voice
    Editions & Modules
    No answers on this topic
    Starter
    $10
    per user/per month
    Standard
    $20
    per user/per month
    Premier
    $30
    per user/per month
    Offerings
    Pricing Offerings
    Customer.ioGoogle Voice
    Free Trial
    YesNo
    Free/Freemium Version
    NoNo
    Premium Consulting/Integration Services
    YesNo
    Entry-level Setup FeeOptionalNo setup fee
    Additional DetailsEssentials: For startups and small teams engaging customers on their mobile and web apps. - Up to 5,000 profiles*, Send Emails, Push, In-App, and SMS, Visual Workflow Builder, Segmentation, Two Workspaces, Email Support, Customer Community Premium: For high-growth companies looking for greater control over their messaging outcomes. - Everything in Essentials, Custom Data + Message Volume, Premium Product Features, Additional Workspaces, 90-day Onboarding Program, Premium Email & Chat Support, Managed Deliverability, Dedicated IPs, Parcel Pro Licenses, HIPAA Compliance Enterprise: For at-scale companies looking to create world-class customer experiences. - Everything in Premium, Managed Infrastructure*, Customer Success Manager, Quarterly Success Reviews, Technical Account Manager*, Audit Logging & Data Governance*, Parcel Business Licenses, Migration Support*, *Available by consultation.—
    More Pricing Information
    Community Pulse
    Customer.ioGoogle Voice
    Considered Both Products
    Customer.io
    No answer on this topic
    Google
    No answer on this topic
    Key User Insights
    Would buy again
    100%
    Would buy again
    14 Answers
    95%
    Would buy again
    41 Answers
    Delivers good value for the price
    100%
    Delivers good value for the price
    11 Answers
    98%
    Delivers good value for the price
    41 Answers
    Happy with the feature set
    100%
    Happy with the feature set
    14 Answers
    91%
    Happy with the feature set
    39 Answers
    Lived up to sales and marketing promises
    100%
    Lived up to sales and marketing promises
    9 Answers
    93%
    Lived up to sales and marketing promises
    27 Answers
    Implementation went as expected
    100%
    Implementation went as expected
    10 Answers
    97%
    Implementation went as expected
    35 Answers
    Features
    Customer.ioGoogle Voice
    Cloud PBX
    Comparison of Cloud PBX features of Customer.io and Google Voice
    Feature
    Customer.io
    -
    Ratings
    Google Voice
    5.3
    53 Ratings
    40% below category average
    Hosted PBX00 Ratings6.025 Ratings
    Multi-level Interactive Voice Response (IVR)00 Ratings3.027 Ratings
    User templates00 Ratings1.419 Ratings
    Call reports00 Ratings7.046 Ratings
    Directory of employee names00 Ratings9.027 Ratings
    Call Management
    Comparison of Call Management features of Customer.io and Google Voice
    Feature
    Customer.io
    -
    Ratings
    Google Voice
    8.4
    67 Ratings
    2% above category average
    Answering rules00 Ratings8.546 Ratings
    Call recording00 Ratings8.152 Ratings
    Call park00 Ratings6.422 Ratings
    Call screening00 Ratings10.060 Ratings
    Message alerts00 Ratings9.065 Ratings
    VoIP system collaboration
    Comparison of VoIP system collaboration features of Customer.io and Google Voice
    Feature
    Customer.io
    -
    Ratings
    Google Voice
    7.5
    44 Ratings
    6% below category average
    Video conferencing00 Ratings6.022 Ratings
    Audio conferencing00 Ratings8.039 Ratings
    Video screen sharing00 Ratings8.014 Ratings
    Instant messaging00 Ratings8.027 Ratings
    Mobile apps
    Comparison of Mobile apps features of Customer.io and Google Voice
    Feature
    Customer.io
    -
    Ratings
    Google Voice
    7.2
    63 Ratings
    9% below category average
    Mobile app for iOS00 Ratings6.945 Ratings
    Mobile app for Android00 Ratings7.451 Ratings
    Best Alternatives
    Customer.ioGoogle Voice
    Small Businesses
    Simplify360
    Score7.8 out of 10
    CallFire
    Score9.7 out of 10
    Medium-sized Companies
    Braze
    Score8.7 out of 10
    Fuze
    Score8.2 out of 10
    Enterprises
    SAP Service Cloud
    Score8.5 out of 10
    Cisco Unified Communications Manager (Call Manager)
    Score8.3 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Customer.ioGoogle Voice
    Likelihood to Recommend
    9.1
    (20 ratings)
    7.5
    (73 ratings)
    Likelihood to Renew
    -
    (0 ratings)
    9.3
    (7 ratings)
    Usability
    9.2
    (12 ratings)
    8.0
    (11 ratings)
    Support Rating
    10.0
    (1 ratings)
    7.0
    (35 ratings)
    Implementation Rating
    -
    (0 ratings)
    10.0
    (2 ratings)
    Contract Terms and Pricing Model
    -
    (0 ratings)
    7.0
    (1 ratings)
    Professional Services
    -
    (0 ratings)
    7.0
    (1 ratings)
    User Testimonials
    Customer.ioGoogle Voice
    Likelihood to Recommend
    Customer.io
    Talking from the perspective of a marketer at a SaaS with average. 50K email subscribers, Customer IO has been an excellent tool for us. Our requirements include sending users newsletters, marketing emails, and transactional emails, running lead-nurturing campaigns, and more. For a comprehensive use case like ours, CustomerIO is great. While it also has a learning curve, when you have such requirements, it’s worth it. I don’t think CustomerIO is the best fit if you have basic requirements like only weekly newsletter emails.
    Incentivized
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    Google
    I do think Google Voice works well for organizations that do not have a support team meant to provide regular telephone support, and instead do so on an ad hoc basis. I would not recommend it for high-volume call activities, such as SDR motions.
    Incentivized
    Read full review
    Pros
    Customer.io
    • Managing users, attributes and events. You are easily able to modify any user, based on their ID, and add or remove attributes, assign events to them. That makes it very easy to segment later and to assign them to several campaigns based on behavior. Just a warning: this integration isn't so easy (at least it wasn't for us).
    • Creating workflows of campaigns is very easy. You can quickly create behavioral campaigns based on attributes, segments and add elements to the workflow. You can send an email, then wait, then send another, then exit the campaign if they converted, etc. The workflow is easy to configure and very powerful for automation.
    • We don't use many email templates (we make them in MJML) but it's very easy to add senders, to change templates and in general to test designs.
    • Deliverability works very well, at least for us. It sends emails pretty fast and without issues.
    • Exporting is very quick and easy. Importing wasn't a feature until recently, but it works well too.
    • Seeing activity it's also useful. In general, logs are awesome (be it of a customer, of activity on the site, email sends, etc.).
    • We don't use environments, but it might be very useful for a bigger company.
    Incentivized
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    Google
    • Google Voice has been great for setting up additional phone lines and numbers.
    • The voicemail inbox is a great feature and you can see when messages come in online and listen to the messages from your computer.
    • Google Voice allows us to have multiple phone numbers and lines for specific business purposes.
    Incentivized
    Read full review
    Cons
    Customer.io
    • Price is quite expensive for Premium or once you get into high volumes of contacts.
    • Depending on how you'll use it, it may require some help from developers to set up.
    • Despite the support being great, you have to email them, there's not chat feature.
    Read full review
    Google
    • There has not been much innovation since the initial release.
    • It doesn't handle SMS well.
    • It does not natively integrate with CRM without legacy complication
    • It is not supported by Google as it once was
    • Call Recording is non-existent
    • Call-Tree or Virtual Auto-Attendant needs are not available
    Incentivized
    Read full review
    Likelihood to Renew
    Customer.io
    No answers on this topic
    Google
    Google Voice has been invaluable for us in our effort to provide exceptional customer service. With Google Voice, we have been able to increase our customer interactions while reducing the wait time to reach a live person on our team. We couldn't be more pleased with the way things have worked out since implementing Google Voice.
    Incentivized
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    Usability
    Customer.io
    Super intuitive and easy interface to start off with. There are not a lot of guides and the documentation is helpful but not super extensive, but even if you're a little technical, you can easily figure most of the things out by yourself. Everything is super easy to start with and the platform does not overwhelm you with a lot of options, or data.
    Incentivized
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    Google
    I think it works really well in the arena it operates in, but not so well in areas where an enterprise system would be more appropriate. It's great for quick solutions that just work, but not so much for more complex call management tasks.
    Incentivized
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    Support Rating
    Customer.io
    My experience with their support team has always been great. Very quick to respond, have an online chat, and are very helpful. They helped me resolve any issues I've had every time in a professional and knowledgeable manner. We've now switched to another tool, and I can't even compare the service level we get there to customer.io
    Incentivized
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    Google
    They do not offer support unless you have the Business account for Google Voice under G Suite. This is tough, because Google doesn't really have a customer support team for this service, so when it gets shut down for a few hours, we have no choice but to wait it out. But this doesn't happen that often, which is great.
    Incentivized
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    Implementation Rating
    Customer.io
    No answers on this topic
    Google
    It is a pretty seamless program to transfer to, even for people who either have little experience with these programs or people who were stuck on Skype
    Incentivized
    Read full review
    Alternatives Considered
    Customer.io
    Customer.io was really the first pure, full-featured drip email program on the market and as far as I know, it's still the simplest and best overall for that specific function. SendGrid has also added drip campaign features, but I would seriously evaluate Customer.io against any other drip email provider because they really have all the key elements you need to make it work.
    Incentivized
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    Google
    The integrations of Google Voice with all our devices are flawless, Android, iOS, Windows, Linux and Mac. Also, the call performance is far superior on wifi as well as on mobile data. With Skype, we had several problems with personal accounts, performance issues, and in general, it felt awkward to use it.
    Incentivized
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    Contract Terms and Pricing Model
    Customer.io
    No answers on this topic
    Google
    Google Voice should be also be use to those who have difficulty in speaking English. So the contract term will need to be a little strict as Google Voice is used in navigations as the part of GPRS navigation is personal. The private data need to be in control much more securely and safely.
    Read full review
    Professional Services
    Customer.io
    No answers on this topic
    Google
    It help to connect with the products that we use as a part. We need to get in touch with our professional world. It is like a tool that helps us to get in touch with everything from A to Z in our professional careers. So we need to be in touch with everything as linearly as the jpb can be done.
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    Return on Investment
    Customer.io
    • Positive impact on the sales side. I'm not sure about the specific ROI (you have to include the designer and the time it takes to set up) but you certainly get back the investment in a few months, once you are able to scale your email marketing.
    • Customer experience is way better by having more segmented, contextual and accurate messages sent to them.
    • Integration is costly and it will take several days or weeks to be fully achieved. Expect to invest some money on this.
    Incentivized
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    Google
    • Cost for Google Voice is stellar, starting at $10/mo per user.
    • While it doesn't offer a new Audio/Video conferencing solution it does integrate with GSuite so it makes use of Google Calendar and Hangouts/ Google Meet.
    • Gets the employee's to use their company phone numbers more as texting is easy and deployment is simple.
    • The cell phone app is reliable and easy to deploy.
    Incentivized
    Read full review
    ScreenShots

    Customer.io Screenshots

    Screenshot of data-driven or manual segments that can be created in the no-code builder for recipient lists, campaign triggers, filters, and conversion goals.Screenshot of the code editor for email, that helps navigate code and iterate.Screenshot of account performance, visible at a glance from the Dashboard view.Screenshot of drag and drop messages, time delays, and branches where desired, to build cross-channel campaigns.Screenshot of triggered campaigns based on forms submissions, customer attributes, customer actions, and dates.Screenshot of localization for global audiences. One message can be delivered in multiple languages.