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Top 12 Free Callbox Alternatives, Compared (2026)

Explore 12 alternatives to Callbox — vetted by our editors with real user reviews, pricing, and feature comparisons.

The top free Callbox alternatives, at a glance

Quick answer

Want the short version? The top Callbox alternatives are ZIWO, Truly and YakoVoice. ZIWO leads with a SpotScore of 8.9 and a 4.7★ rating. See the full comparison of all 12 on score, rating, and price below.

Callbox works for plenty of teams, but it isn't the only choice. If price, features, or the learning curve are pushing you to switch, these 12 call center software free alternatives are the strongest replacements. We rank by SpotScore, a blend of real-user satisfaction and market presence, alongside ratings and pricing. Start with the table, then read each breakdown.

ProductSpotScoreRatingPricingBest for
ZIWORevolutionize your customer service experience.8.9★★★★★ 4.7(33)Freefrom $109 /User/Monthteams of all sizes
TrulyEngage customers in real-time with Truly.8.9★★★★★ 4.6(150)Freefrom $55 /User/Monthteams of all sizes
YakoVoiceRevolutionize your communication and customer engagement.8.6Not yet ratedFreeFree Trial · Subscriptionteams of all sizes
NextivaEmpowering businesses through advanced communication solutions.9.6★★★★ 4.4(6255)FreeFree Trial · Subscription · Quotation Basedteams of all sizes
CloudTalkEfficiently elevate call center performance.9.6★★★★ 4.39(1369)FreeFree Trial · Subscription · Quotation Basedteams of all sizes
Freshdesk Contact Center (Formerly Freshcaller)Streamline customer service and boost sales effortlessly.9.1★★★★ 4(170)FreeFree Trial · Freemium · Subscriptionteams of all sizes
CircleLoopEffortless communication, optimized customer experience.9.1★★★★ 4.22(179)FreeFree Trial · Subscriptionsmall & mid-size businesses
DixaEfficient, collaborative, and customizable customer support solution.9★★★★ 4.28(293)FreeFree Trial · Subscription · Quotation Basedteams of all sizes
eVoiceStreamline your telemarketing with eVoice.9★★★☆☆ 3.33(129)FreeFree Trial · Subscriptionteams of all sizes
ExotelElevate your contact center's efficiency9★★★★ 4.4(76)FreeFree Trial · Subscription · Quotation Basedteams of all sizes
Zendesk TalkPersonalized service for efficient problem resolution.9★★★★ 4.3FreeFree Trial · Freemium · Subscriptionteams of all sizes
Call Center StudioStreamline your call center operations with ease.8.9★★★★★ 4.7(80)FreeFree Trial · Quotation Basedteams of all sizes

8.9

SpotScore

ZIWO - Call Center Software

ZIWO

Revolutionize your customer service experience.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is ZIWO?

ZIWO is a cloud contact center platform with CRM plugins, virtual phone numbers, call tracking, and number masking. It integrates telephony with CRM systems so agents can log calls, access analytics, add call notes, and automate outbound calls, with connectivity across 150+ countries including ...

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Free TrialTry Free →

8.9

SpotScore

Truly - Call Center Software

Truly

Engage customers in real-time with Truly.

Best for: SMB teams · Mid-market · Enterprise

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What is Truly?

Truly is real-time customer engagement software. Its architecture gives you the speed and capacity to serve thousands of customers, while delivering a consistent, consumer-grade experience. Truly's patented Real-time application suite continuously connects a customer to several Engagement ...

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Free TrialTry Free →

8.6

SpotScore

YakoVoice - Call Center Software

YakoVoice

Revolutionize your communication and customer engagement.

Best for: SMB teams · Mid-market · Enterprise

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What is YakoVoice?

YakoVoice is the next-generation unified communication, customer engagement and call center solution. YakoVoice continues to change the way companies serve agents and customers. Using YakoVoice's unique Automated Call Distribution (ACD), agents are dispatched based on service level agreements. ...

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Free TrialTry Free →

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9.6

SpotScore

Nextiva - Call Center Software

Nextiva

RECOMMENDED

Empowering businesses through advanced communication solutions.

Best for: SMB teams · Mid-market · Enterprise

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What is Nextiva?

NEXTVIA Call Center is a cloud based business communication and collaboration application with features to service the needs of SMBs and growing businesses. The solution offers numerous benefits, including real-time voice over IP (VoIP), integrated instant messaging, video calls and web ...

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Free TrialTry Free →·

Starts from $18.95/User/Month when Billed Yearly

9.6

SpotScore

CloudTalk - Call Center Software

CloudTalk

Efficiently elevate call center performance.

Best for: SMB teams · Mid-market · Enterprise

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What is CloudTalk?

CloudTalk, the call center software from InterVISTAS, helps contact centers work smarter and increase their bottom line. This cloud-Based contact center software is compatible with all telephony servers in the market today and provides intuitive solutions that help contact centers to answer ...

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Free Trial·

Starts from $25/User/Month when Billed Yearly

9.1

SpotScore

Freshdesk Contact Center (Formerly Freshcaller) - Call Center Software

Freshdesk Contact Center (Formerly Freshcaller)

Streamline customer service and boost sales effortlessly.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is Freshdesk Contact Center (Formerly Freshcaller)?

Freshdesk Contact Center is the ideal call center application for startups, enabling effortless customer service and sales. This cloud-based solution can be easily operational with no more than an internet connection and a web browser. Buy local phone numbers, mask your current number, and ...

Read more about Freshdesk Contact Center (Formerly Freshcaller)
Free Trial·

Starts from $15/User/Month when Billed Yearly, also offers free forever plan

9.1

SpotScore

CircleLoop - Call Center Software

CircleLoop

Effortless communication, optimized customer experience.

Best for: SMB teams · Mid-market

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What is CircleLoop?

CircleLoop is a call center software that provides a complete solution for managing customer interaction. It is designed specifically to support enterprises through cloud, providing an integrated real-time reporting with key performance indicators (KPIs) to ensure the needs of all stakeholders ...

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Free TrialTry Free →·

Starts from $6.45/User/Month

9.0

SpotScore

Dixa - Help Desk Software

Dixa

Efficient, collaborative, and customizable customer support solution.

Best for: SMB teams · Mid-market · Enterprise

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What is Dixa?

Dixa is a help desk software with a focus on automation, analytics and collaboration. Set up auto-responses to receive customer requests, define SLAs for team to get paid for meeting them or get instant help from fellow agents. User can even get their customers live video calls directly solve ...

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Free TrialTry Free →·

Starts from $39/User/Month

9.0

SpotScore

eVoice - Call Center Software

eVoice

Streamline your telemarketing with eVoice.

Best for: SMB teams · Mid-market · Enterprise

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What is eVoice?

eVoice is an automated call center application that uses a Salesforce.com platform to organize, streamline, and automate all of your telemarketing processes. This software is designed with state-of-the-art technology, flexible plug-and-play features, and customizable action buttons to enhance ...

Read more about eVoice
Free TrialTry Free →·

Starts from $6.25/User/Month when Billed Yearly

9.0

SpotScore

Exotel - Call Center Software

Exotel

Elevate your contact center's efficiency

Best for: SMB teams · Mid-market · Enterprise

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What is Exotel?

Exotel is a cloud telephony platform used by call centers and customer support operations in India and Southeast Asia that need reliable call routing, recording, and CRM integration. It lets agents access call logs, recordings, and customer history in one place, and supports custom call flows ...

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Free TrialTry Free →·

Starts from $200

9.0

SpotScore

Zendesk Talk - Call Center Software

Zendesk Talk

Personalized service for efficient problem resolution.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.3

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What is Zendesk Talk?

Zendesk Talk is a telephone triage application that integrates with Zendesk to streamline problem resolution and provide customers with personalized service. This flexible tool is ideal for call center teams or help desks that field a mixed bag of issues, from general inquiries to complex ...

Read more about Zendesk Talk
Free Trial·

Starts from $9/User/Month, also offers free forever plan

8.9

SpotScore

Call Center Studio - Call Center Software

Call Center Studio

Streamline your call center operations with ease.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Call Center Studio?

Call Center Studio is a contact center platform for operations running high call volumes that need ACD, IVR, predictive dialing, and real-time reporting in one system. It consolidates tools that many contact centers otherwise stitch together separately, including inbound routing, outbound ...

Read more about Call Center Studio
Free TrialTry Free →·

Call Center Studio offers custom pricing plan

What earned each Callbox alternative its spot

ZIWO8.9Best for teams of all sizes

Automated detection of phone number country codes enhances convenience and efficiency.

Watch for: Occasional system freezes causing delays in operation.

Truly8.9Best for teams of all sizes

Reliable metadata flow to CRM, enhancing efficiency.

Watch for: Intimidating richness of features for new users without adequate support.

YakoVoice8.6Best for teams of all sizes

Real-time agent status updates

Watch for: Limited integrations available

Nextiva9.6Best for teams of all sizes

Reliable service with no dropped calls, audio issues, or outages, making the transition stress-free.

Watch for: Occasional issues with chat service being slow and ineffective, leading to delays in issue resolution.

CloudTalk9.6Best for teams of all sizes

Easy to use interface with direct integration for productivity tools like CRM systems.

Watch for: Challenges reported in contacting sales and support teams, leading to frustrations among users trying to get assistance.

Unified Platform: Freshworks offers a suite of customer engagement tools, all integrated into a single platform, streamlining workflows.

Watch for: Complexity for Newcomers: The richness of features and customizations may be overwhelming for new users without sufficient support.

CircleLoop9.1Best for small & mid-size businesses

Efficient and helpful customer support team that is responsive to user needs and requests.

Watch for: Recent decline in service quality leading to frequent bugs, issues, and unreliable performance, affecting user experience negatively.

Dixa9Best for teams of all sizes

Strong automation features

Watch for: Learning curve for new users

eVoice9Best for teams of all sizes

Seamless mobile app experience for remote work and client communication.

Watch for: Outdated recording process for messages, requiring more steps than necessary.

Exotel9Best for teams of all sizes

User-friendly interface that is easy to navigate and use, catering to both beginners and experienced users.

Watch for: Limited app selection in the Marketplace, restricting access to advanced features and connectors.

Zendesk Talk9Best for teams of all sizes

Integrates with Zendesk

Watch for: Limited standalone functionality

Call Center Studio8.9Best for teams of all sizes

Fast and effective technical support, providing instant solutions.

Watch for: Lack of variety in the Marketplace for additional apps and connectors.

Key things to look for in a Callbox alternative

Here's how the 12 free alternatives differ where it counts: 12 offer a free tier; paid plans run $55–$109, with Truly the cheapest entry point; and ZIWO is the highest rated at 4.7 across 33 reviews.

How we rank, in short.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Callbox are ZIWO (4.7★), Call Center Studio (4.7★), Truly (4.6★). Compare all 12 alternatives side-by-side above.

When evaluating alternatives to Callbox, prioritize: Reporting, Call Monitoring, Report Generation, Performance Management, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply Callbox is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend shortlisting 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

How to narrow down your Callbox alternative

  • On a budget / just exploring: start with a free tier — ZIWO, Truly and YakoVoice let you evaluate without paying upfront.
  • If real-user ratings matter most: ZIWO has the strongest star rating (4.7★) among the options with verified reviews.
  • Want the safest pick: ZIWO has the highest Spotsaas Score (8.9) in this list — a strong default if you're unsure.

Before you switch from Callbox

To replace Callbox smoothly, treat data first. Export it, confirm the new tool can import it, and check feature parity for the work you actually do. Pilot on a free tier before rolling out, and keep Callbox running until everything has moved over cleanly.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].