zadarma.com
Zadarma
Who runs Zadarma, what it tracks and what it costs, and the 20 closest business VoIP telephony alternatives.
- Who’s behind it
- Not stated
- Online since
- Unknown
- Trackers
- Prices
- No pricing page
- Last price change
- –
- Closest alternative
- sipuni.com
Measured from Zadarma’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.
Visit Zadarma01 · Who’s behind it
Who runs Zadarma
Zadarma zadarma.com
Zadarma offers virtual phone numbers in 100+ countries, free cloud PBX and CRM systems. Video conferencing. Call tracking. Speech analytics. Try now!
- Company
- No imprint we could read
- Online since
- Not in the Internet Archive
- Audience
- In English
02 · Privacy
What Zadarma tracks
What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.
tracker that follows visitors
None of the 17 alternatives below has fewer; 10 have more.
Privacy-friendly alternatives →- Cookie banner
- None found
- US company
- 2 tools
Tag manager
Loads further tracking scripts, which we can’t always see.
Third-party embeds
Videos, maps or fonts from other companies, which receive the visitor’s IP address.
03 · Alternatives
Alternatives to Zadarma
Thumbs up if it’s a real alternative to Zadarma, thumbs down if it isn’t.
- 01
RingCentral: The Voice of Your Business
Power the voice of your business with RingCentral Agentic Voice AI, including AI Receptionist (AIR), AI Virtual Assistant (AVA), & AI Conversation Expert (ACE).
Very close - 02
VoIP Phone Service with AI for Business & Home | Ooma
Connect your business and home with reliable VoIP phone service. Ooma adds AI tools like call transcriptions and AI answering for growing teams.
Very close - 03
Infrastructure for realtime agents | Telnyx
Telnyx is the only licensed carrier that owns its AI infrastructure end-to-end: private network, GPUs, edge compute. Nothing sits between your agent and the person on the line because every hop is ours.
Very close - 04
Enterprise Phone System Software | 3CX
Enterprise IP PBX Phone System Software includes AI Receptionist, AI Transcription & Call Center Reports. Learn more today I 3CX
Very close - 05
NFON: Flexible AI-Powered Cloud Communication for European Businesses
Secure cloud telephony, SIP trunking, contact center and AI assistants for European businesses. Connect teams and scale communication with NFON.
Very close - 06
AI Customer Experience Platform | Agentic CX | Dialpad
Dialpad brings AI agents, contact center, sales, and business communications together, turning customer conversations into intelligence that drives resolution.
Very close - 07
Business Phone System & Unified Communications | Yeastar
Yeastar offers an easy-first business communications solution that converges voice, video, messaging, and applications, supporting both cloud and on-premises deployment options.
Very close - 08
One platform to connect | Zoom
Modernize workflows with Zoom's trusted collaboration tools: including video meetings, Zoom Chat, VoIP phone, webinars, whiteboard, contact center, and events.
Very close - 09
Nextiva - AI Customer Experience Management Platform
Nextiva is the best customer experience platform to optimize every customer journey. Business phone, contact center, AI receptionist, and unified CX in one.
Very close - 10
GoTo: Business Communication & IT Support Software
Businesses of all sizes trust GoTo to power business growth and support customers. Explore our business phone system, contact center, and IT support products.
Very close - 11
Free Texting & Calling App | TextFree
Send free texts and make calls with a free phone number—no SIM card or phone plan needed. Download the app on iOS, Android, or desktop.
Very close - 12
WhatsApp | Secure and Reliable Free Private Messaging and Calling
Use WhatsApp Messenger to stay in touch with friends and family. WhatsApp is free and offers simple, secure, reliable messaging and calling, available on phones all over the world.
Very close - 13
Get Free Calling, Texting and Wireless - TextNow
Say hello to the first free wireless provider on the nation’s largest 5G network. Get a free TextNow phone number with unlimited calling and texting in the app.
Very close - 14
Conversational AI and APIs for SMS, Email, Voice | Twilio
Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter engagement, and identity verification for trust.
Very close - 15
Home | Viber
cross-platform instant messaging voice-over-Internet Protocol application for smartphones
Very close - 16
Vidyard - Video Tools for Virtual Sales and Marketing Teams
Vidyard is an online video platform for business which allows you to increase leads, accelerate your pipeline and delight your customers. Learn more!
Very close - 17
SMS Messaging, Voice, Email, Video & Verification APIs | Sinch
Unlock meaningful conversations across the customer journey with programmable SMS, voice, email, video, & verification APIs!
Very close - 18
Avaya | Enterprise Software for CX & Critical Communications
Avaya helps large enterprises and government agencies connect customer experience, critical communications, enterprise voice, data, AI, and workflows.
Very close - 19
Real-Time Engagement & Conversational AI Platform | Agora
Build ultra-low latency voice, video, chat, and voice AI experiences for meaningful human-to-human and human-to-AI conversations, with flexible APIs and no-code & low-code tools.
Very close - 20
ExpressVPN: Best VPN Service for Speed & Privacy in 2026
Protect your privacy, stream worldwide, and enjoy fast speeds with ExpressVPN. Servers in 113 countries, 24/7 support, and a 30-day risk-free trial—start now!
Very close
Closest first, by how much each site’s offer resembles Zadarma’s. Trackers are counted the same way as above. Highlighted technologies are ones Zadarma uses too. Votes and comments come from visitors and don’t change the order.
04 · History
What changed
Price and policy history →No changes yet. Each new crawl is compared with the last one, and what Zadarma adds, drops or rewrites shows up here.
05 · Details
How we measure
Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.
The full technology stack, the competitor map and search numbers · 7 technologies
- Neighbours
- k = 20
- Sites searched
- 9,196
- Vector
- 384-d
- Query
- 48 ms
Competitor map
Each alternative by how close its vector is to Zadarma’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.
similarity × popularity
Built with
- JavaScript libraries
- jQuery asset https://code.jquery.com/jquery-3.3.1.min.js
- CSS & UI
- Font Awesome asset https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css
- Fonts
- Google Fonts asset https://fonts.googleapis.com/css?family=PT+Sans:400,700&display=swap
- Tag managers
- Google Tag Manager page source: googletagmanager.com/gtm.js
- Web servers
- nginx header server: nginx
- SaaS tools (verified in DNS)
- Bing Webmaster Tools meta msvalidate.01: C4597AF2090AADD499ABF70BECF27EF1
- Google Search Console TXT google-site-verification=EYDlA33Jau9ciInZpGxPZjtg1TD6ttKsO15PLAX1QIY
What competitors use
Across the 20 closest sites.
- Google Search Console 19/20
- Microsoft 365 · not on zadarma.com 15/20
- Atlassian · not on zadarma.com 13/20
- Google Tag Manager 10/20
- Cloudflare · not on zadarma.com 9/20
- HubSpot · not on zadarma.com 9/20
- GlobalSign · not on zadarma.com 8/20
- Google Workspace · not on zadarma.com 8/20
- PHP · not on zadarma.com 8/20
- Adobe · not on zadarma.com 8/20
- Apple Business · not on zadarma.com 8/20
- OpenAI · not on zadarma.com 8/20
- DocuSign · not on zadarma.com 7/20
- OneTrust · not on zadarma.com 6/20
- Stripe · not on zadarma.com 6/20
- Marketo · not on zadarma.com 6/20