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Head-to-head · Virtual Phone Number Services

Zadarma vs didlogic Phone Numbers

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Zadarma #4 in Virtual Phone Number Services 8.7/10 Free plan · 7-day trial Free planFree trial✓ 0 of 3 features Visit Zadarma
didlogic Phone Numbers #6 in Virtual Phone Number Services 8.5/10 30-day trial Free trial✓ 3 of 3 features Visit didlogic

Zadarma leads on 1 check, didlogic Phone Numbers on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreZadarma · 8.7/10
  • Free planonly Zadarma
  • Free trialboth
  • Most featuresdidlogic Phone Numbers · 3 of 3

Zadarma scores higher on our rubric for virtual phone number services: 8.7 against 8.5 out of 10; our editors rank them #4 and #6.

Zadarma offers free plan; didlogic Phone Numbers doesn't.

Zadarma is the better fit for teams seeking a free-start cloud PBX with global reach. didlogic Phone Numbers is the better fit for businesses connecting numbers to SIP systems or voice agents.

  • Zadarma fits best

    Teams seeking a free-start cloud PBX with global reach

  • didlogic Phone Numbers fits best

    Businesses connecting numbers to SIP systems or voice agents

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Zadarma 8.7/10 Visit ↗ didlogic Phone Numbers 8.5/10 Visit ↗
At a glance
Editor score 8.7 8.5
Ranking #4 in Virtual Phone Number Services #6 in Virtual Phone Number Services
Best for Teams seeking a free-start cloud PBX with global reach Businesses connecting numbers to SIP systems or voice agents
Pricing model Free plan + paid Paid
Starting price $39/mo $0.99/unit/mo
Free plan ✓ (best) —
Free trial 7 days 30 days
Free trial length 7 days 30 days
Deployment Cloud, Desktop, Mobile, Browser extension Cloud, Mobile
Platforms Web, Windows, macOS, iOS, Android, Chrome extension Web, iOS, Android
Support Live chat, Phone, Tickets · 24/7 Email, Phone · 24/7
Compliance ISO 27001 ISO 27001
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Zadarma 0/3 · didlogic Phone Numbers 3/3
SMS support Not checked yet ✓ (best)
International numbers Not checked yet ✓ (best)
Number porting Not checked yet ✓ (best)
Specs
Number types Not checked yet Not checked yet
Included numbers Not checked yet Not checked yet
Supported platforms Not checked yet iOS, Android
Our review
Pros
  • Free Standard plan includes cloud PBX, CRM users and four voice menus
  • Call handling spans IVR, queues, routing, forwarding and voicemail transcription
  • Apps, SIP trunking and virtual or toll-free numbers support varied calling setups
  • Routes incoming calls over SIP to PBXs, contact centers, and voice agents
  • Offers local, mobile, national, and toll-free numbers in supported countries
  • Includes number porting, supported SMS, a self-service portal, and an API
Cons
  • Free plan has only 200 MB of call-recording storage
  • Office World and Corporation plans have monthly and annual prices to compare
  • Plan minutes and number availability vary by region
  • Inbound calls are charged separately per minute from number rental
  • Number prices vary by country, number type, area code, and specific number
  • SMS is available only on eligible numbers and where supported
Our verdict

Zadarma combines virtual phone numbers, cloud PBX and VoIP calling for businesses, call centers and distributed teams. It is suited to organizations that want to manage incoming calls through extensions, voice menus, queues and forwarding,…

Read the review →

Businesses that need phone numbers in multiple markets can use didlogic Phone Numbers to receive calls through a PBX, contact center, compatible phone system, or AI voice agent. It offers local, mobile, national, and toll-free numbers in…

Read the review →
  1. ZadarmaVirtual Phone Number Services 8.7Free plan · 7-day trial
  2. didlogic Phone NumbersVirtual Phone Number Services 8.530-day trial

Strengths and trade-offs

  • Zadarma — where it wins

    • Free Standard plan includes cloud PBX, CRM users and four voice menus
    • Call handling spans IVR, queues, routing, forwarding and voicemail transcription
    • Apps, SIP trunking and virtual or toll-free numbers support varied calling setups

    Where it doesn't

    • Free plan has only 200 MB of call-recording storage
    • Office World and Corporation plans have monthly and annual prices to compare
    • Plan minutes and number availability vary by region
  • didlogic Phone Numbers — where it wins

    • Routes incoming calls over SIP to PBXs, contact centers, and voice agents
    • Offers local, mobile, national, and toll-free numbers in supported countries
    • Includes number porting, supported SMS, a self-service portal, and an API

    Where it doesn't

    • Inbound calls are charged separately per minute from number rental
    • Number prices vary by country, number type, area code, and specific number
    • SMS is available only on eligible numbers and where supported
  • Zadarma8.7/10 · Free plan · 7-day trial

    A free-start cloud PBX with international numbers, call routing and apps across devices.

    Visit ZadarmaFull verdict →
  • didlogic Phone Numbers8.5/10 · 30-day trial

    A flexible number service for businesses routing calls into SIP systems or voice agents.

    Visit didlogicFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update