TrustRadius: an HG Insights company

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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

    Groove (legacy product)

    Score7.7 out of 10
    N/AGroove by Clari is a legacy Sales Engagement product for organizing prospect outreach, capturing sales activity, and guiding seller workflows across email, calendar, CRM, and campaign tools. On August 14, 2023, Clari acquired Groove and integrated it as the sales-engagement layer of the Clari Revenue Platform. Following Clari’s subsequent merger into Salesloft in 2025, Groove became part of the combined Salesloft platform. Salesloft unified the companies under its brand on September 2, 2026;…N/A
    Pricing
    Customer.ioGroove (legacy product)
    Editions & Modules
    No answers on this topic
    No answers on this topic
    Offerings
    Pricing Offerings
    Customer.ioGroove (legacy product)
    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.ioGroove (legacy product)
    Considered Both Products
    Customer.io
    No answer on this topic
    Discontinued Products
    No answer on this topic
    Key User Insights
    Would buy again
    100%
    Would buy again
    14 Answers
    99%
    Would buy again
    679 Answers
    Delivers good value for the price
    100%
    Delivers good value for the price
    11 Answers
    100%
    Delivers good value for the price
    446 Answers
    Happy with the feature set
    100%
    Happy with the feature set
    14 Answers
    99%
    Happy with the feature set
    682 Answers
    Lived up to sales and marketing promises
    100%
    Lived up to sales and marketing promises
    9 Answers
    99%
    Lived up to sales and marketing promises
    400 Answers
    Implementation went as expected
    100%
    Implementation went as expected
    10 Answers
    99%
    Implementation went as expected
    394 Answers
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    Customer.ioGroove (legacy product)
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    Simplify360
    Score7.8 out of 10
    HubSpot Sales Hub
    Score8.8 out of 10
    Medium-sized Companies
    Braze
    Score8.7 out of 10
    Mixmax
    Score9.8 out of 10
    Enterprises
    SAP Service Cloud
    Score8.5 out of 10
    Outreach
    Score8.3 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Customer.ioGroove (legacy product)
    Likelihood to Recommend
    9.1
    (20 ratings)
    5.0
    (706 ratings)
    Likelihood to Renew
    -
    (0 ratings)
    8.9
    (33 ratings)
    Usability
    9.2
    (12 ratings)
    5.4
    (542 ratings)
    Availability
    -
    (0 ratings)
    9.1
    (5 ratings)
    Performance
    -
    (0 ratings)
    9.1
    (5 ratings)
    Support Rating
    10.0
    (1 ratings)
    4.5
    (145 ratings)
    In-Person Training
    -
    (0 ratings)
    4.7
    (2 ratings)
    Online Training
    -
    (0 ratings)
    9.1
    (4 ratings)
    Implementation Rating
    -
    (0 ratings)
    9.0
    (13 ratings)
    Configurability
    -
    (0 ratings)
    8.9
    (6 ratings)
    Ease of integration
    -
    (0 ratings)
    9.1
    (2 ratings)
    Product Scalability
    -
    (0 ratings)
    9.1
    (5 ratings)
    Vendor post-sale
    -
    (0 ratings)
    9.1
    (2 ratings)
    Vendor pre-sale
    -
    (0 ratings)
    9.1
    (3 ratings)
    User Testimonials
    Customer.ioGroove (legacy product)
    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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    Discontinued Products
    • Groove is excellent for the use case of improving sales representative and customer success representative productivity and data quality when used alongside Salesforce. It is a Salesforce focused tool. You should definitely consider Groove if you are a current Salesloft / Outreach user and you also use Salesforce.
    • Groove would not be a good fit for an organization not using Salesforce.
    Incentivized
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    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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    Discontinued Products
    • Groove lets us know real-time when a client has checked an email we sent them.
    • Groove helps us streamline our day-to-day events, meetings, and tasks with the help of the Calendar Booking feature.
    • Groove helps us save a lot of time on typing long letters when we explain our products to our customers with the help of their Templates feature.
    Incentivized
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    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
    Discontinued Products
    • The footprint of the person who lasts touches the information.
    • The footprint of the person who edited the information.
    • Date and time of the modification of the account owner.
    • Date and time of the modification of the last person touching the account.
    Incentivized
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    Likelihood to Renew
    Customer.io
    No answers on this topic
    Discontinued Products
    I actually don't have any complaint regarding groove. It's just that I will give 9 since I confidently believe that there'd be updates in the future which would be more optimal not just for us users but for the business as well. The only regret I have with groove is I was not able to use it before the current company that I'm employed
    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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    Discontinued Products
    Groove has been an awesome platform to use for sales pipeline management. I really enjoy how it integrates with my Salesforce, Gmail, and Google Calendar. It makes my job easier by helping me keep track of the progress of each sales contact that I have. Leads are able to reply and notify us using Groove.
    Incentivized
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    Reliability and Availability
    Customer.io
    No answers on this topic
    Discontinued Products
    Our organization has not experienced any availability issues with Groove
    Incentivized
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    Performance
    Customer.io
    No answers on this topic
    Discontinued Products
    Everything is good
    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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    Discontinued Products
    My company has a team dedicated to supporting our implementation of operative tools and business systems such as Groove. For this reason, I feel that we have ample support for Groove, although I have not personally contacted Groove for any support issues.
    Incentivized
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    In-Person Training
    Customer.io
    No answers on this topic
    Discontinued Products
    It was okay. But, just the once. I had to figure it out with help of others on my team.
    Incentivized
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    Online Training
    Customer.io
    No answers on this topic
    Discontinued Products
    Easy to use
    Incentivized
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    Implementation Rating
    Customer.io
    No answers on this topic
    Discontinued Products
    At Nearpod, I have been impressed with the internal expertise and support around Groove as a key tool for the Sales and Customer Success business systems and operations.
    Incentivized
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    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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    Discontinued Products
    Groove is simple. Like their competitors, they give you the ability to create templated "Flows" (sequences) of calls, emails, and LinkedIn touches. Some of them can be automated, but it's also simple to personalize outreach. Ultimately, my decision to purchase Groove over some of the competitors was based on their Salesforce integration, as well as white-glove customer service.
    Incentivized
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    Scalability
    Customer.io
    No answers on this topic
    Discontinued Products
    Our organization was able to quickly scale Groove from a pilot group of a few users to a department-wide solution
    Incentivized
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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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    Discontinued Products
    • Reduced several hours a week of logging time in Salesforce that either wouldn't get done or would have been done to the detriment of more value add activities.
    • Saves hours per week by delivering actionable/useful info from Salesforce into Gmail
    • Gives me valuable insight on what emails are being opened and read. This helps plan targeting.
    Incentivized
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    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.