Head-to-head · Virtual Phone Number Services
didlogic Phone Numbers vs 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
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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 | ||
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| Cons |
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| 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 → |
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 →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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