Mailshake vs. Overloop Comparison Chart

HubSpot brings your marketing, sales, and service teams together on the same AI-powered customer platform. HubSpot's Customer Platform is not just a tool; it's the heartbeat of your business. Designed with passion and precision, our CRM stands out as the ultimate solution for empowering your team to build deeper customer relationships. It transforms the way you engage with your clients by offering a seamlessly integrated, all-in-one platform for sales, marketing, and customer service. With HubSpot's CRM, you gain unparalleled insights into your customer interactions, all organized in an intuitive, easy-to-navigate dashboard that promises to skyrocket your team's efficiency. Our platform is engineered to grow with you, offering scalable solutions that adapt to your evolving business needs. What's more, HubSpot's Customer Platform includes a robust free version, packed with essential features, making it the perfect choice for ambitious businesses of all sizes.

Convoso: The Best F 'ING Dialer for sales pros who mean business. Since 2006, Convoso has been flipping the script in the outbound sales, delivering an AI-powered sales platform that doesn't just help you grow—it helps you dominate. We’re not here to blend in; we’re here to stand out and help you do the same by driving profitability, connecting with more prospects, and crushing engagement at scale. And yeah, we’ve got compliance with TCPA and all the regs covered—so you can focus on what matters: closing deals. Convoso is trusted by thousands of customers across industries like insurance, financial services, solar, home services, BPOs, lead gen, and legal sectors. We’re not just another dialer. We’re the dialer built for closers.

CallShaper is a call center software and Predictive dialer designed to help reduce costs and increase ROI for Call Centers. CallShaper partners with businesses to maximize contacts, track the performance of agents, manage leads, and sales processes. The drag-and-drop interactive voice response (IVR) editor allows managers to transfer calls to third-party stakeholders and other recipients based on agents' availability, time, or type. CallShaper lets call centers analyze databases to determine landline or wireless leads, Do Not Call list numbers, and call abandonment rates whilst helping customers to maintain compliance with Telephone Consumer Protection Act (TCPA) regulations. Supervisors can import leads by uploading files in bulk and agents can utilize call scripts to communicate and resolve clients' queries. Using predictive and preview dialers, marketing agents can automate call handling processes and review lead information before client interactions.

Squaretalk is a powerful contact center solution that transforms how modern teams connect with prospects and customers, convert sales opportunities, and grow their operations. The combination of AI Voice Agents, calling and WhatsApp Business messaging, AI-powered automation, and affordable scalability ensures that companies of all sizes shorten their sales cycle and elevate outreach without additional complexity or costs. Squaretalk’s platform offers omnichannel communication, powerful call-handling features, automated transcripts, sentiment analysis, contact management, customizable workflows, advanced reporting, and enterprise-grade security. With local numbers in over 150 popular and niche destinations, we enable businesses to establish and maintain a local presence, build trust, and support their global expansion. Discover how Squaretalk’s cloud contact center platform can enhance your team’s connection rates and performance.

Dialfire is a cloud-native telephony platform for inbound and outbound phone campaigns. It comes with an extremely fast predictive dialer, which allows for up to 3 times more contacts to be called within the same amount of time in comparison to manual dialing. In addition to its dialing speed, the extremely user-friendly solution offers workflow automation, extensive real-time reports, statistics and monitoring for full transparency and control, while APIs ensure a smooth integration with existing infrastructure. Complete inbound or outbound campaigns can be set up within minutes, directly from the browser, without any installation and still allowing for full personalisation. Dialfire is developed in Germany backed by over 25 years of experience in the call center industry. For more info check out

Klaviyo is an all-in-one platform that makes it easy for B2C businesses grow by integrating marketing, analytics, and customer service in one solution. Powered by unified data and built-in AI, it's faster and easier than ever to create personalized, lasting customer relationships. Klaviyo unifies your customer profiles by capturing every event, and then lets you orchestrate your email marketing, SMS marketing, push notifications, WhatsApp, and RCS campaigns in one place. Klaviyo AI helps you build audiences, write copy, and optimize — so you can always send the right message at the right time, automatically. With real-time attribution and insights, you'll be able to make smarter, faster decisions that drive ROI. Trusted by more than 170,000 businesses, Klaviyo can grow your business while keeping operations simple and customer relationships strong.

We engage with your emails to teach inbox providers not to send your emails to spam. Our clients have seen their open rates more than DOUBLE within 1-2 weeks! Highly engaged recipients not only open emails, but scroll down as they read. So long as the content is longer than the page, this should be done for nearly all opened emails. When a recipient goes out of their way to take an email out of spam, they are telling the inbox provider, hey, you made a mistake. Moving an email from the promotions folder to the primary inbox tells inbox providers that you disagree with their sorting criteria and it and similar emails should go to the primary inbox. Demonstrates that recipient is interested in the content of your email. We have a set of random generic replies we use for this. Marking an email as important can essentially be interpreted by the inbox provider as "This email is extremely valuable, never send it to spam."

Revolutionize your contact center with CallTools—the cutting-edge cloud-based software that integrates your inbound and outbound dialing on a single platform. Boost your agents’ productivity and enhance customer engagement like never before with CallTools’ powerful suite of call center features, including predictive dialing, call recording, and multi-touch campaigns with email and SMS capabilities. Get a complete 360-degree view of your agents’ performance and take advantage of real-time reporting. With seamless integration options, advanced queue management, and flexible IVR settings, CallTools ensures a streamlined workflow. Effortlessly manage data targeting and caller ID strategies to optimize connection rates and improve outcomes. Empower your team with a user-friendly interface designed to simplify complex tasks while delivering consistent results.

Our autodialer software are used for automating sales calls, payment collections, appointment reminders, phone polling and market research. It can also be used for mass emergency voice broadcasting. The system is ideal for Telcos and companies selling callcenter services as it is multi-tenant with billing and white-labeled while being economical to run as you choose your own Voice Provider. Our autodialer software can massively increase productivity by dropping busy, unanswered and disconnected line, passing calls answered by real people back to your agents, and leaving messages on answering machines.

6sense Revenue AI™ eliminates guesswork and arms your revenue team with the data and visibility it needs to create and convert high-quality pipeline into revenue. 6sense Revenue AI™ drives predictable revenue growth by eliminating the expensive, time-consuming guesswork that’s plagued B2B revenue teams for decades. Make the most of every digital investment. Illuminate hidden buyer behavior. Analyze millions of data points to surface in-market accounts. Drive the right action at the right time — across every channel. Lots of companies want what you offer, but your martech systems can’t accurately detect buyer interest. This crucial, dormant data hides in what we call the Dark Funnel™. 6sense illuminates and analyzes these insights. Automate prospect follow up with AI-powered conversational emails. With AI-powered 6sense ® Conversational Email, sales and marketers can craft personalized emails at scale that qualify and convert accounts into sales meetings.