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Head-to-head · Call Management system

VirtualPBX vs Zadarma

  • Updated Sep 2026
  • Both researched from official sources
  • 1 check side by side
VirtualPBX #7 in Call Management system 6.8/10 From $15/user/mo · 14-day trial ✓ 0 of 4 features Visit VirtualPBX
Zadarma #8 in Call Management system 6.8/10 Free plan · paid from $39/mo (annual) · 7-day trial Free plan✓ 0 of 4 features Visit Zadarma

VirtualPBX leads on 0 checks, Zadarma on 1, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Free planonly Zadarma

VirtualPBX and Zadarma score identically on our rubric (6.8 out of 10) for call management system; VirtualPBX sits at #7 and Zadarma at #8 in our editorial ranking, so the choice comes down to fit.

Zadarma offers free plan; VirtualPBX doesn't.

VirtualPBX is the better fit for small businesses needing a mature, affordable phone system. Zadarma is the better fit for teams seeking a free entry point and many calling apps.

  • VirtualPBX fits best

    Small businesses needing a mature, affordable phone system

  • Zadarma fits best

    Teams seeking a free entry point and many calling apps

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature VirtualPBX 6.8/10 Visit ↗ Zadarma 6.8/10 Visit ↗
At a glance
Editor score 6.8 6.8
Ranking #7 in Call Management system #8 in Call Management system
Best for Small businesses needing a mature, affordable phone system Teams seeking a free entry point and many calling apps
Pricing model Paid Free plan + paid
Starting price $15/user/mo Not published
Free plan — ✓ (best)
Free trial — —
Free trial length 14 days 7 days
Deployment Cloud, Desktop, Mobile Cloud, Desktop, Mobile, Browser extension
Platforms Web, Windows, iOS, Android Web, Windows, macOS, iOS, Android, Chrome extension
Support Email, Live chat, Phone, Docs · 24/7 Live chat, Phone, Tickets · 24/7
Compliance GDPR, PCI DSS ISO 27001
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features VirtualPBX 0/4 · Zadarma 0/4
Call queues Not published Not published
IVR Not published Not published
Call recording Not published Not published
Call analytics & reports Not published Not published
Specs
Call routing Custom Custom
Supported channels Not published Not published
Our review
Pros
  • $15 per-user monthly entry plan with a 14-day free trial
  • Custom IVR, call flows, transcription, recording, and reporting
  • Web, desktop, and mobile access with broad CRM and API integrations
  • Free Standard plan includes cloud PBX, CRM users and four voice menus
  • Calling apps span iOS, Android, Windows, macOS, web and Chrome
  • IVR, queues, routing, recording and speech-to-text cover core call workflows
Cons
  • No free plan beyond the 14-day trial
  • AI Voice is a separate $99 monthly plan
  • AI Voice includes Smarter Voice for up to five people
  • Standard limits recording storage to 200 MB and voice menus to four
  • Office World minutes are capped across Zone 1 and Zone 2 destinations
  • Calling allowances and prices vary by selected region and currency
Our verdict

VirtualPBX is a cloud-based business phone system for small businesses and distributed teams. It combines business numbers, auto attendants, multi-level menus, programmable call routing, voicemail transcription, call recording,…

Read the review →

Zadarma is a cloud communications service for businesses, call centers and distributed teams. It combines cloud PBX, virtual phone numbers, SIP trunking, IVR menus, call queues, forwarding, recording, speech recognition and analytics.…

Read the review →
  1. VirtualPBXCall Management system 6.8From $15/user/mo · 14-day trial
  2. ZadarmaCall Management system 6.8Free plan · paid from $39/mo (annual) · 7-day trial

Strengths and trade-offs

  • VirtualPBX — where it wins

    • $15 per-user monthly entry plan with a 14-day free trial
    • Custom IVR, call flows, transcription, recording, and reporting
    • Web, desktop, and mobile access with broad CRM and API integrations

    Where it doesn't

    • No free plan beyond the 14-day trial
    • AI Voice is a separate $99 monthly plan
    • AI Voice includes Smarter Voice for up to five people

  • Zadarma — where it wins

    • Free Standard plan includes cloud PBX, CRM users and four voice menus
    • Calling apps span iOS, Android, Windows, macOS, web and Chrome
    • IVR, queues, routing, recording and speech-to-text cover core call workflows

    Where it doesn't

    • Standard limits recording storage to 200 MB and voice menus to four
    • Office World minutes are capped across Zone 1 and Zone 2 destinations
    • Calling allowances and prices vary by selected region and currency
  • VirtualPBX6.8/10 · From $15/user/mo · 14-day trial

    An affordable, feature-rich phone system for small businesses and distributed teams.

    Visit VirtualPBXFull verdict →
  • Zadarma6.8/10 · Free plan · paid from $39/mo (annual) · 7-day trial

    A flexible cloud PBX with a free plan, broad calling apps and configurable call handling.

    Visit ZadarmaFull verdict →

More comparisons

All call management system comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update