H
HSonetel vs Zadarma
Pricing, features, platforms and who each one suits — side by side.
S
Choose Sonetel if…
- you work on iOS, Android
- you're in its core audience: entrepreneurs, small businesses
Z
Choose Zadarma if…
- you're in its core audience: small businesses, call centers
Side by side
Feature Sonetel Zadarma
Pricing modelFreemiumFreemium
Starting price—$4/mo
Free plan
Free trial
API
Open source
PlatformsWeb, iOS, Android, APIWeb, API
CategoryVirtual phone numbersCloud phone systems & VoIP
CompanySonetel AB · since 2009Zadarma
Full feature lists
S Sonetel
- Local business numbers in 60+ countries
- Calls ring in iPhone and Android app
- Call forwarding to any phone worldwide
- SMS on some number types
- AI call summaries and call scoring
- Voicemail to email, with transcription on higher plans
- IVR voice menu for call routing
- Communications API
Z Zadarma
- Virtual numbers in 110 countries, including toll-free
- Free virtual PBX with IVR, recording and voicemail
- Free Teamsale CRM with browser calling
- SIP trunking and number porting
- Call tracking and click-to-call widgets
- AI virtual operator available 24/7
- AI speech analytics for calls
- SMS, HLR lookup and eSIM data
Their home pages
What each vendor shows first: the pitch, the plans and the sign-up.
Sonetel · sonetel.com
Zadarma · zadarma.comWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
| Team size | Sonetel | Zadarma |
|---|---|---|
| 1 person | no published plan | $4 Unlimited PBX |
| 5 people | no published plan | $20 Unlimited PBX |
| 20 people | no published plan | $80 Unlimited PBX |
All plans and prices
Sonetel
Phone numberFrom €1.79/mo
Zadarma
Virtual PBXFree
Unlimited PBXFrom $4/user/mo
Strengths and limitations
Sonetel
- Numbers from €1.79 per month
- Free signup with no credit card required
- Free calls to 40+ countries on paid plans
- Publicly listed company operating since 2009
- AI summaries, call scoring and IVR only on Premium and Business plans
- SMS works only on some number types
- Showing your business number on outbound calls requires identity verification
Zadarma
- Virtual PBX and Teamsale CRM are free
- Numbers available in 110 countries
- Free 24/7 support
- API and integrations with major CRMs
- Calls, numbers and SMS are billed separately from the PBX
More comparisons
Other options to consider
HH
From $6.99/mo
H
Second and temporary phone numbers for private calls and texts over Wi-Fi
Virtual phone numbers
Facts from each vendor's public pages, prices checked Nov 13, 2026. Editorial policy