In Czechia, businesses and individuals are increasingly adopting VoIP calling apps to replace traditional phone lines. Whether you run a startup in Prague, manage a team in Brno, or operate a small office in Ostrava, VoIP provides cost-effective, flexible, and reliable communication solutions.
VoIP, or Voice over Internet Protocol, allows voice and video calls over the internet instead of traditional telephone networks. With Czechia’s growing broadband coverage and a shift toward remote work, VoIP adoption is on the rise.
This guide covers how VoIP works, the top apps available in Czechia, pricing, benefits, setup tips, pros and cons, and recommendations for personal and business use.
What is a VoIP Calling App?
A VoIP calling app converts your voice into digital data packets and transmits them over the internet. Unlike traditional PSTN lines, VoIP offers:
- Cost savings for domestic and international calls
- Mobility across devices: smartphone, tablet, or desktop
- Advanced features like call recording, voicemail-to-email, and HD voice
Popular apps in Czechia include RingCentral, Zoom Phone, 8×8, NFON, Aircall, and MyNetFone Czechia.
How Does VoIP Work in Czechia?
The process is simple:
- Speak into your device’s microphone
- The app converts your voice into digital packets
- Packets are transmitted via broadband or mobile data
- The recipient’s device reassembles packets into voice
Czechia’s internet infrastructure, especially in Prague, Brno, and Ostrava, ensures high-quality VoIP calls with minimal latency.
Compliance considerations:
- Data hosting & GDPR: Ensure the provider stores data in the EU to comply with GDPR
- Number provisioning: For Czech numbers (+420), providers must follow local telecom regulations
Why Czech Businesses Are Switching to VoIP
According to the Czech Telecommunication Office (CTO), VoIP adoption among SMEs increased by 14% in 2024. Key benefits include:
- Cost savings: Up to 70% cheaper than traditional landlines
- Remote work flexibility: Employees can work from anywhere
- Mobility: Use the same number across multiple devices
- Scalability: Easily add new users or numbers
- Advanced features: Conference calls, call analytics, voicemail-to-email
Top 10 Best VoIP Calling Apps in Czechia (2025)
1. RingCentral Czechia
Best for: All-in-one business solution
Features:
- Unlimited local calls
- HD voice & video
- CRM integration
- Voicemail-to-email
Pricing: From €22/month per user
Example: A Prague-based startup reduced telecom costs by 60% while improving customer support.
2. Zoom Phone
Best for: Teams already using Zoom
Features:
- Czech numbers (+420)
- Video integration
- Call recording and voicemail transcription
Pricing: From €16/month per user
3. 8×8 X Series
Best for: International teams
Features:
- Unlimited international calls
- Cloud PBX
- Call analytics
Pricing: From €25/month
4. Aircall
Best for: Call centers and sales teams
Features:
- CRM integration (HubSpot, Salesforce)
- Virtual Czech numbers
- Real-time call monitoring
Pricing: From €38/month per user
5. NFON Czechia
Best for: SMEs needing EU-based provider
Features:
- Hosted PBX
- Cloud phone system
- GDPR-compliant data hosting
Pricing: From €20/month
6. Microsoft Teams Phone
Best for: Microsoft 365 users
Features:
- Internal and external calling
- Outlook integration
- Call forwarding & routing
Pricing: From €18/month per user
7. Vonage Business Cloud
Best for: Flexible business solutions
Features:
- Virtual Czech numbers
- Mobile apps
- Call forwarding
Pricing: From €24/month per user
8. GoTo Connect
Best for: Small and medium businesses
Features:
- HD voice quality
- Custom call routing
- Slack and Google Workspace integration
Pricing: From €21/month per user
9. Zoiper
Best for: Freelancers and individuals
Features:
- Multiple SIP accounts
- Encrypted calls
- Desktop and mobile support
Pricing: Free basic / €14 pro version
10. MyNetFone Czechia
Best for: Local Czech users
Features:
- Local number support
- Cloud infrastructure
- 24/7 local support
Pricing: From €20/month
Comparison Table
| App | Ideal For | Price/Month (€) | Key Feature | Rating |
|---|---|---|---|---|
| RingCentral | All-rounder | 22 | Unified communication | ⭐⭐⭐⭐⭐ |
| Zoom Phone | Teams | 16 | Video + VoIP | ⭐⭐⭐⭐ |
| 8×8 | Global | 25 | International calls | ⭐⭐⭐⭐ |
| Aircall | Call centers | 38 | CRM integration | ⭐⭐⭐⭐ |
| NFON | SMEs | 20 | GDPR-compliant | ⭐⭐⭐⭐ |
| Teams Phone | Microsoft users | 18 | Integration | ⭐⭐⭐⭐ |
| Vonage | Flexible SMEs | 24 | Mobile apps | ⭐⭐⭐⭐ |
| GoTo Connect | SMB | 21 | Easy setup | ⭐⭐⭐⭐ |
| Zoiper | Freelancers | 14 | SIP flexibility | ⭐⭐⭐ |
| MyNetFone | Czech users | 20 | Local support | ⭐⭐⭐⭐ |
How to Choose the Right VoIP App in Czechia
- Determine your call volume
- Check internet speed and stability
- List your must-have features
- Compare pricing
- Evaluate GDPR compliance and support
- Test free trials before committing
Benefits of Using VoIP in Czechia
- Reduced telecom costs
- HD voice quality
- Mobility across multiple devices
- Scalable solutions for growing teams
- Cloud-based features for remote work
Common Mistakes to Avoid
- Ignoring internet bandwidth requirements
- Using non-GDPR-compliant providers
- Skipping employee training
- Paying for unnecessary features
Case Study: Prague Startup Saves 55% on Telecom
A Prague-based IT startup switched to RingCentral VoIP. Within 3 months, call costs dropped by 55%, remote teams could work seamlessly, and customer support improved significantly.
Conclusion
The best VoIP app in Czechia depends on your needs:
- Individuals: Zoiper or Wire
- SMEs: RingCentral, NFON, Aircall
- Enterprise / Call centers: 8×8, Aircall, Microsoft Teams Phone
VoIP provides cost savings, mobility, flexibility, and advanced features for both personal and business communication.
FAQs: Best VoIP Calling App Czechia
1. Can I get a Czech phone number with VoIP?
Yes, most providers offer +420 numbers.
2. Is VoIP legal in Czechia?
Yes, fully regulated under CTO.
3. Can VoIP apps work on mobile data?
Yes, they work on 4G or 5G networks.
4. Are free VoIP apps suitable for business?
Not usually—they often lack GDPR compliance and business features.
5. How do I choose the best app?
Consider pricing, features, GDPR compliance, and local support.
