OpenVPN Access Server vs Proton VPN for Business

OAOpenVPN Access Server9.2Visit Proton VPN for Business8.5Visit

Higher score OA OpenVPN Access Server #2 in Business VPN Software 9.2/10 Free plan · 14-day trial Free planFree trial✓ 3 of 4 features Visit OpenVPN

vs

Proton VPN for Business #8 in Business VPN Software 8.5/10 14-day trial Free trial✓ 3 of 4 features Visit Proton VPN

• OpenVPN Access Server fits best

  Organizations needing full-featured self-hosted VPN

• Proton VPN for Business fits best

  Businesses wanting managed VPN with privacy features

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Side by side

Feature	OAOpenVPN Access Server 9.2/10 Visit ↗	Proton VPN for Business 8.5/10 Visit ↗
At a glance
Editor score	9.2	8.5
Ranking	#2 in Business VPN Software	#8 in Business VPN Software
Best for	Organizations needing full-featured self-hosted VPN	Businesses wanting managed VPN with privacy features
Pricing model	Free plan + paid	Paid
Starting price	$7/unit/mo	$6.99/user/mo
Free plan	✓ (best)	—
Free trial	14 days	14 days
Free trial length	14 days · no card needed	14 days
Deployment	Cloud, Self-hosted	Cloud, Desktop, Mobile, Browser extension
Platforms	Linux, Windows, macOS, iOS, Android	Web, Windows, macOS, Linux, iOS, Android, Chrome extension
Support	Tickets, Community, Docs · 24/7	Email, Live chat, Phone, Tickets, Docs
Compliance	SOC 2, ISO 27001, GDPR, HIPAA	SOC 2, ISO 27001, GDPR, HIPAA, 2FA
Integrations	17 integrations	9 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features OpenVPN Access Server 3/4 · Proton VPN for Business 3/4
SSO / SCIM	✓	✓
Device posture	Not checked yet	✓ (best)
Site-to-site networking	✓ (best)	Not checked yet
Audit logs	✓	✓
Specs
Admin control level	Enterprise	Advanced
Access model	Hybrid	Hybrid
Supported platforms	Linux server; Windows, macOS, iOS, Android, and ChromeOS clients; Docker; VMware ESXi; Microsoft Hyper-V; AWS, Azure, Google Cloud, IBM Cloud, DigitalOcean, Oracle Cloud, and Vultr	Windows, macOS, Linux, iOS, Android, Chrome and Firefox browser extensions
Our review
Pros	Remote-access and site-to-site VPN support Extensive authentication and role-based access controls Self-hosting, cloud deployment, clustering, and REST API support	Centralized administration with access policies, segmentation, and audit trails SSO, SCIM, 2FA enforcement, and MDM deployment compatibility Dedicated IPs, private gateways, monitoring, and broad client coverage
Cons	Free plan supports only 2 simultaneous connections Growth licensing is based on simultaneous connections Enterprise & IoT pricing is custom	No free plan; access starts at $6.99 per user per month SSO, SCIM, segmentation, and audit trails require VPN Professional The password manager and SIEM integration require the highest tier
Our verdict	OpenVPN Access Server is a self-hosted business VPN for organizations that need remote access to private networks and resources. It runs on Linux servers, virtual machines, containers, on-premises infrastructure, or public clouds, with… Read the review →	Proton VPN for Business provides encrypted connectivity for organizations with remote, hybrid, and traveling employees. It combines VPN access with centralized administration, network access policies, segmentation, identity controls,… Read the review →

Strengths and trade-offs

• OpenVPN Access Server — where it wins

  • Remote-access and site-to-site VPN support
  • Extensive authentication and role-based access controls
  • Self-hosting, cloud deployment, clustering, and REST API support

  Where it doesn't

  • Free plan supports only 2 simultaneous connections
  • Growth licensing is based on simultaneous connections
  • Enterprise & IoT pricing is custom

• Proton VPN for Business — where it wins

  • Centralized administration with access policies, segmentation, and audit trails
  • SSO, SCIM, 2FA enforcement, and MDM deployment compatibility
  • Dedicated IPs, private gateways, monitoring, and broad client coverage

  Where it doesn't

  • No free plan; access starts at $6.99 per user per month
  • SSO, SCIM, segmentation, and audit trails require VPN Professional
  • The password manager and SIEM integration require the highest tier

• OAOpenVPN Access Server9.2/10 · Free plan · 14-day trial

  A flexible self-hosted VPN for organizations needing deep access and authentication controls.

  Visit OpenVPNFull verdict →
• Proton VPN for Business8.5/10 · 14-day trial

  A managed business VPN with strong administration, identity, and device-management coverage.

  Visit Proton VPNFull verdict →