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Head-to-head · Virtual Phone Number Services

didlogic Phone Numbers vs Zadarma

  • Updated Sep 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score didlogic Phone Numbers #4 in Virtual Phone Number Services 7.7/10 From $0.99/mo · 30-day trial ✓ 3 of 3 features Visit didlogic
Zadarma #5 in Virtual Phone Number Services 7.6/10 Free plan · paid from $39/mo (annual) · 7-day trial Free plan✓ 0 of 3 features Visit Zadarma

didlogic Phone Numbers leads on 3 checks, Zadarma on 1, and 0 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 scoredidlogic Phone Numbers · 7.7/10
  • Free planonly Zadarma
  • Most featuresdidlogic Phone Numbers · 3 of 3

didlogic Phone Numbers scores higher on our rubric for virtual phone number services: 7.7 against 7.6 out of 10; our editors rank them #4 and #5.

Zadarma offers free plan; didlogic Phone Numbers doesn't. didlogic Phone Numbers offers sms support; Zadarma doesn't publish it. didlogic Phone Numbers offers international numbers; Zadarma doesn't publish it. didlogic Phone Numbers offers number porting; Zadarma doesn't publish it.

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

  • didlogic Phone Numbers fits best

    Businesses connecting numbers to SIP systems or voice agents

  • Zadarma fits best

    Teams seeking a free-start cloud PBX with global reach

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature didlogic Phone Numbers 7.7/10 Visit ↗ Zadarma 7.6/10 Visit ↗
At a glance
Editor score 7.7 7.6
Ranking #4 in Virtual Phone Number Services #5 in Virtual Phone Number Services
Best for Businesses connecting numbers to SIP systems or voice agents Teams seeking a free-start cloud PBX with global reach
Pricing model Paid Free plan + paid
Starting price Not published Not published
Free plan — ✓ (best)
Free trial — —
Free trial length 30 days 7 days
Deployment Cloud, Mobile Cloud, Desktop, Mobile, Browser extension
Platforms Web, iOS, Android Web, Windows, macOS, iOS, Android, Chrome extension
Support Email, Phone · 24/7 Live chat, Phone, Tickets · 24/7
Compliance ISO 27001 ISO 27001
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features didlogic Phone Numbers 3/3 · Zadarma 0/3
SMS support ✓ (best) Not published
International numbers ✓ (best) Not published
Number porting ✓ (best) Not published
Specs
Number types Not published Not published
Included numbers Not published Not published
Supported platforms iOS, Android Not published
Our review
Pros
  • 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
  • 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
Cons
  • 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
  • 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
Our verdict

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 →

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 →
  1. didlogic Phone NumbersVirtual Phone Number Services 7.7From $0.99/mo · 30-day trial
  2. ZadarmaVirtual Phone Number Services 7.6Free plan · paid from $39/mo (annual) · 7-day trial

Strengths and trade-offs

  • 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
  • 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 Numbers7.7/10 · From $0.99/mo · 30-day trial

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

    Visit didlogicFull verdict →
  • Zadarma7.6/10 · Free plan · paid from $39/mo (annual) · 7-day trial

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

    Visit ZadarmaFull verdict →

More comparisons

Guides on virtual phone number services

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update