# Top 10 C4 Alternatives & Competitors

Thousands of users compare C4 with other UCaaS Platforms tools to find the best fit for their team or business. UCaaS Platforms is used by teams seeking innovative, popular platforms with features like calendaring, native collaboration, and tenancy flexibility, according to G2 reviews. In most cases, users compare alternatives based on reliability and ease of use.   
 The best overall alternative to C4 is [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews), rated ~4.5 stars on G2 from 53561+ reviewers. It is frequently praised for meetings and video conferencing. Other well-known alternatives to C4 are: 
- [Webex Suite](https://www.g2.com/products/cisco-webex-suite/reviews) – known for video conferencing and video quality (G2 star rating ~4.2)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) – highly rated for call management and helpful (G2 star rating ~4.4)
- [Nextiva](https://www.g2.com/products/nextiva/reviews) – offers customer support and helpful (G2 star rating ~4.5)
- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) – best suited for teams that need efficiency and intuitive (G2 star rating ~4.4)

 Browse top options below. Based on G2 review data, C4 is most commonly used in industries like [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms), [VoIP Providers](https://www.g2.com/categories/voip-providers), [Video Conferencing Software](https://www.g2.com/categories/video-conferencing). Compare user ratings by vertical to find the best fit.

## Best Paid & Free Alternatives to C4

- Zoom Workplace
- Webex Suite
- Dialpad Connect
- Nextiva
- Genesys Cloud CX
- RingEX
- GoTo Connect
- Zoho Meeting

## Top 10 Alternatives to C4 Recently Reviewed By G2 Community

Browse options below. Based on reviewer data, you can see how C4 stacks up to the competition and find the best product for your business.

[![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

Sponsored

G2 Advertising

Get 2x conversion than Google Ads with G2 Advertising!

G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.

[
Learn More
](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/e4029f90aa02b12ad570377a645f5ed9/zoom-workplace.png "Product Avatar Image")
](https://www.g2.com/products/zoom-workplace/reviews)

[
Zoom Workplace
](https://www.g2.com/products/zoom-workplace/reviews)

By [Zoom](https://www.g2.com/sellers/zoom-a5000ea1-6d30-4ab4-b591-20723189ac97)

[

4.5/5(56,555)

](https://www.g2.com/products/zoom-workplace/reviews#reviews)

Product Description

Reimagine how your teams work with Zoom Workplace, powered by AI Companion. Streamline communications, improve productivity, optimize in-person time, and increase employee engagement, all with Zoom Workplace. Fueled by AI Companion, included at no additional cost.

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/ced7ac8079efaa2bfefdea53d11f54bb/cisco-webex-suite.png "Product Avatar Image")
](https://www.g2.com/products/cisco-webex-suite/reviews)

[
Webex Suite
](https://www.g2.com/products/cisco-webex-suite/reviews)

By [Cisco](https://www.g2.com/sellers/cisco)

[

4.2/5(18,922)

](https://www.g2.com/products/cisco-webex-suite/reviews#reviews)

Product Description

Boost productivity with Webex Suite, an all-in-one, AI-powered collaboration platform for hybrid work. Securely manage meetings, calling, events, and more in one place.

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/7cc2ede4a4767cf50c6bf9f259bd9c23/dialpad-connect.png "Product Avatar Image")
](https://www.g2.com/products/dialpad-connect/reviews)

[
Dialpad Connect
](https://www.g2.com/products/dialpad-connect/reviews)

By [Dialpad](https://www.g2.com/sellers/dialpad)

[

4.4/5(4,201)

](https://www.g2.com/products/dialpad-connect/reviews#reviews)

Product Description

Dialpad pushes the limits of Ai. As a pioneer in the space, we built the first Ai-powered customer intelligence platform that now serves as the foundation for all Dialpad products. We also created our own proprietary large language model (LLM), leveraging over six billion minutes of conversational data, to ensure optimal accuracy for features like Ai Recaps automated meeting summaries. Supported by notable investors such as Andreessen Horowitz, Google Ventures, and ICONIQ, Dialpad is a dynamic force in AI technology with a rapidly expanding presence.

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

[![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

Sponsored

G2 Advertising

Get 2x conversion than Google Ads with G2 Advertising!

G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.

[
Learn More
](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/0b0744d9d5ca4f29db86a956c2bcc175/nextiva.png "Product Avatar Image")
](https://www.g2.com/products/nextiva/reviews)

[
Nextiva
](https://www.g2.com/products/nextiva/reviews)

By [Nextiva](https://www.g2.com/sellers/nextiva)

[

4.5/5(3,619)

](https://www.g2.com/products/nextiva/reviews#reviews)

Product Description

The Nextiva technology platform is a state-of-the-art telecommunications infrastructure that allows a company's employees to conduct their business from anywhere.

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/e3a8d60332cca437222ea3ba4d00292c/genesys-cloud-cx.png "Product Avatar Image")
](https://www.g2.com/products/genesys-cloud-cx/reviews)

[
Genesys Cloud CX
](https://www.g2.com/products/genesys-cloud-cx/reviews)

By [Genesys](https://www.g2.com/sellers/genesys)

[

4.4/5(1,558)

](https://www.g2.com/products/genesys-cloud-cx/reviews#reviews)

Product Description

The Genesys Cloud CX™ platform is trusted by thousands of small, medium and large enterprises and recognized across the globe as an industry-leading cloud call center software and customer experience (CX) platform. No matter where the customer conversation starts or ends, Genesys Cloud CX transforms your customer experience. It connects insights across teams, tools and interactions so you have the data to address customers problems with ease. Meet your customers anywhere, anytime, on any channel, with a suite of digital channels.

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/be08dab78dcba32b9dfe8cb030a1c88d/ringex.png "Product Avatar Image")
](https://www.g2.com/products/ringex/reviews)

[
RingEX
](https://www.g2.com/products/ringex/reviews)

By [RingCentral](https://www.g2.com/sellers/ringcentral)

[

4.2/5(1,426)

](https://www.g2.com/products/ringex/reviews#reviews)

Product Description

AI-powered communications that redefines customer engagement for modern teams.

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/27d98954e8b06558c3af0cdfcdea1b40/goto-connect.jpg "Product Avatar Image")
](https://www.g2.com/products/goto-connect/reviews)

[
GoTo Connect
](https://www.g2.com/products/goto-connect/reviews)

By [GoTo](https://www.g2.com/sellers/goto-e9cfa0d5-5de0-41fa-9bc6-a0e0ce54cb86)

[

4.4/5(1,415)

](https://www.g2.com/products/goto-connect/reviews#reviews)

Product Description

GoTo Connect’s platform includes our award-winning, best-in-class products such as our UCaaS solution and phone system, customer engagement tools and multiple contact center capabilities along with powerful add-ons and integrations with your critical business apps such as MS Teams, Salesforce, Zendesk and Gmail. For over two decades, we’ve helped tens of thousands of companies grow their business by offering: • An award-winning cloud phone system with hundreds of enterprise-grade features (minus the enterprise price tag) • AI-powered contact center and customer engagement tools • Super simple setup, with an admin system that’s remarkably easy to manage • A unique visual dial plan editor, softphone functionality and advanced reporting • 99.999% uptime and best-in-class 24/7 customer service

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/3f60536ec4900cf8411336a8b1315310/zoho-meeting.png "Product Avatar Image")
](https://www.g2.com/products/zoho-meeting/reviews)

[
Zoho Meeting
](https://www.g2.com/products/zoho-meeting/reviews)

By [Zoho](https://www.g2.com/sellers/zoho-b00ca9d5-bca8-41b5-a8ad-275480841704)

[

4.5/5(1,250)

](https://www.g2.com/products/zoho-meeting/reviews#reviews)

Product Description

Reach your global customers within minutes and present your product demos or sales presentation. Close deals faster without travelling.

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/134c91bb90489a69dad41d269f19787f/8x8-work.png "Product Avatar Image")
](https://www.g2.com/products/8x8-work/reviews)

[
8x8 Work
](https://www.g2.com/products/8x8-work/reviews)

By [8x8](https://www.g2.com/sellers/8x8-b9e3382c-67d1-49f2-8c30-310d1ee608a0)

[

4.2/5(932)

](https://www.g2.com/products/8x8-work/reviews#reviews)

Product Description

8x8 Work offers plans which you can mix and match to address your diverse needs in the most cost-efficient manner.

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

[
 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/f2fbd26e86afed37ec5f26c5310428ae/ctm-ctm.jpg "Product Avatar Image")
](https://www.g2.com/products/ctm-ctm/reviews)

[
CTM
](https://www.g2.com/products/ctm-ctm/reviews)

By [CTM](https://www.g2.com/sellers/ctm)

[

4.5/5(761)

](https://www.g2.com/products/ctm-ctm/reviews#reviews)

Product Description

CTM helps businesses turn everyday conversations into growth. Trusted by more than 100,000 users worldwide, including leading brands like Tinuiti, Morgan & Morgan, Tutor Doctor, and ServiceMaster, CTM connects marketing performance to revenue outcomes, giving teams the clarity to see which campaigns drive conversions and the insight to optimize every customer touchpoint. The result: more efficient lead handling, higher conversion rates, and improved ROI. Powered by rich conversation analytics, CTM unifies fragmented call, text, chat, and form interactions into a single, actionable view of customer behavior. With deep integrations across leading marketing, advertising, and CRM platforms—and partnership opportunities for agencies, affiliates, and technology providers—CTM makes it simple to align data, teams, and results. Guided by our purpose to create a better human experience through technology, CTM empowers businesses to make every conversation count.

Categories in common with C4:

[
UCaaS Platforms
](/categories/ucaas-platforms)

### Explore Articles

[
Top-rated VoIP providers for tech startups
](https://www.g2.com/discussions/top-rated-voip-providers-for-tech-startups)

[
Which grant management solutions have the best reviews from operations managers in the implementation phase?
](https://www.g2.com/discussions/which-grant-management-solutions-have-the-best-reviews-from-operations-managers-in-the-implementation-phase)

[
What are the key features and capabilities of UKG Marketplace solutions that teams should evaluate to identify the best fit for their organisation?
](https://www.g2.com/discussions/what-are-the-key-features-and-capabilities-of-ukg-marketplace-solutions-that-teams-should-evaluate-to-identify-the-best-fit-for-their-organisation)

[
Best Account-based Orchestration Platforms
](https://www.g2.com/discussions/best-account-based-orchestration-platforms-what-s-worked-for-your-team)

[
Which hard drive cloning software is most trusted by IT technicians based on user reviews?
](https://www.g2.com/discussions/which-hard-drive-cloning-software-is-most-trusted-by-it-technicians-based-on-user-reviews)

[
What field service management platform works best for HVAC, plumbing or electrical businesses juggling multiple technicians and job sites?
](https://www.g2.com/discussions/what-field-service-management-platform-works-best-for-hvac-plumbing-or-electrical-businesses-juggling-multiple-technicians-and-job-sites)

### Spotlight Categories

[
Data Science and Machine Learning Platforms
](https://www.g2.com/categories/data-science-and-machine-learning-platforms)

[
Survey Software
](https://www.g2.com/categories/survey)

[
CPQ Software
](https://www.g2.com/categories/cpq)