Comparison

Zadarma vs CloudTalk Go

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Zadarma

This VoIP app allows you to make and receive calls and SMS using a virtual number and PBX. It offers features like call transfer, recording, and an AI voice agent to automate incoming calls. Seamlessly integrate with CRM and ERP systems for enhanced business communication.

Highlights
  • Virtual numbers and PBX
  • Call transfer
  • Call recordings
  • SMS messaging
  • AI Voice Agent
  • CRM integration
Features
Read full description

Zadarma is a simple and reliable VoIP app for making and receiving calls and SMS. Get a virtual number and PBX in one app, right on your mobile! Stay connected wherever you are with high-quality calls and affordable rates. Key Features: - Virtual numbers & PBX – get a virtual number in 110 countries and connect to your PBX directly in the app. - Call transfer – easily transfer calls to colleagues or other numbers. - Call recordings – listen to recorded calls right in the app. - SMS messaging – send and receive texts easily. - AI Voice Agent – automate incoming calls with an AI assistant that can answer questions, use your knowledge base, and transfer calls to your team when needed. Need more? Get a free Teamsale CRM already integrated with our telephony, plus seamless integration with all popular CRM and ERP systems. Zadarma also offers call tracking, website widgets, speech analytics, and more to boost your business. Learn more at zadarma.com!

About

CloudTalk Go

This app provides a powerful international call center solution for mobile devices. Handle customer calls, manage contacts, and integrate with business tools from anywhere. It offers advanced call management features and analytics for improved productivity.

Highlights
  • International calling
  • SMS and MMS with templates
  • WhatsApp Inbound Messages
  • Call transferring
  • Contact management
  • Call recording
  • Call analytics
Features
Read full description

Stay connected to your customers while on the go. CloudTalk Go lets you have a first-rate international call center in your pocket. Handle calls and get business done anywhere, anytime. CloudTalk Go is a flexible solution custom-made to fit your needs. Make and receive calls using a powerful call center software that’s connected to your favorite business tools, including CRM and helpdesk solutions. Whether you receive a high volume of calls or just a few, CloudTalk will fully adapt to your business’s requirements. Transform your productivity with CloudTalk Go’s contact management Features: - World-class design - Native calling experience - SMS with templates - MMS with templates - WhatsApp Inbound Messages - Call transferring - Emotion rating - Contact tags - Call notes - Voicemail - Call tracking - Call recording - Call summary - Call history - Improved filtering - Contact overview - Mute function, on-hold option, loudspeaker - Add/Edit Contacts International Numbers Acquire international numbers from 160 countries. Advanced Integrations CloudTalk Go records and syncs everything. It's backed up by all your favorite tools. Your call activity is tracked even when you aren’t actively working. Once you come back, you can use advanced call center analytics to measure customer communication. Intuitive design CloudTalk Go has a world-class design that is pleasing to navigate through. Plus, it fits right in your pocket. Categorize Your Calls Improve user and operator experience with advanced call monitoring and efficient statistical tools. Assign individual tags, notes, and emotion ratings for your customers. Advanced Features CloudTalk is constantly upgrading and improving to meet the demands of our users. Instant Access from Anywhere Get business done from wherever you are. The CloudTalk system is extremely easy to set up. You can start handling phone calls in less than 5 minutes. Flexibility and Scalability With CloudTalk, it's easy to manage both a high and low volume of calls. Quickly scale up or down to meet demand. Guaranteed Security 24/7 monitoring, data encryption, anonymity, and data erasing are guaranteed by default. Convenient Billing Model No expenses are incurred by installation. Hardware and license fees are applicable in certain cases. Sign up for CloudTalk Go at https://www.cloudtalk.io/signup/.

Screenshots

Zadarma4 screens
CloudTalk Go4 screens

Verdict

The call

The clearest difference is rating: Zadarma at 3.3 against CloudTalk Go's 2.4. Zadarma also leads on monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 16.4). CloudTalk Go's advantage is update cadence (every 10 days vs every 2 months) and review sentiment (60% vs 41%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Zadarma holds the better App Store score, 3.3 against 2.4. Both are backed by a comparable volume of ratings — 69 and 32 respectively. Written reviews complicate that: 41% of Zadarma's written reviews are positive against 60% of CloudTalk Go's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Zadarma ships an update every 2 months, CloudTalk Go every 10 days. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Zadarma versus CloudTalk Go: the parameters behind the verdict, then further details
ParameterZadarmaCloudTalk Go
PriceFreeFree
Rating3.3 (69 ratings) — better2.4 (32 ratings)
Positive reviews41.0% of reviews59.7% of reviews — better
Number of ratings69 — better32
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better16.4
Further details — not scored
Size84 MB67 MB
Age rating4+4+
DeveloperZadarma ProjectCloudTalk.io

Customer experience

Zadarma

All ratings69 ratings
Positive56.5%
Neutral2.9%
Negative40.6%
Written reviews166 reviews
Positive41.0%
Neutral4.2%
Negative54.8%

CloudTalk Go

All ratings32 ratings
Positive31.3%
Neutral6.3%
Negative62.5%
Written reviews149 reviews
Positive59.7%
Neutral4.7%
Negative35.6%

Bugs and requests

Zadarma

Not enough reviews yet to summarise bugs or requests.

CloudTalk Go

Reported bugs

19 issues
  • App crashes on startup
  • App freezes
  • App not connecting to Bluetooth headset
  • App not logging out properly
  • App not ringing for incoming calls
Show 14 more
  • App not syncing with cell phone contacts
  • App not working with new update
  • App refuses to log in
  • App stuck on Slovakian area code
  • Calls drop after 10 minutes
  • Calls disconnect when phone locks
  • Incoming calls not ringing
  • Login issues after updates
  • Mobile app not working reliably
  • Notifications for texts not working
  • Repeated issues with app not working
  • Settings page not loading
  • Update available pop-up persists
  • When answering calls, app asks for login

Requested features

4 requests
  • Add dialer to mobile
  • Auto capitalization for messages
  • Predictive text for messaging
  • Use power dialer on mobile

In-app purchases

None

Zadarma

No in-app purchases

None

CloudTalk Go

No in-app purchases

Questions

Is Zadarma free?
Zadarma is free to download, with no in-app purchases.
Is CloudTalk Go free?
CloudTalk Go is free to download, with no in-app purchases.
Which has better reviews, Zadarma or CloudTalk Go?
Zadarma is rated higher. Zadarma averages 3.3 out of 5 from 69 ratings, while CloudTalk Go averages 2.4 from 32 ratings.
Do Zadarma or CloudTalk Go have ads?
Neither Zadarma nor CloudTalk Go shows ads.
Which is updated more often, Zadarma or CloudTalk Go?
Zadarma ships an update every 2 months, and CloudTalk Go every 10 days. Most recently, Zadarma was updated on September 24, 2026 and CloudTalk Go on September 21, 2026.

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