Sources accurate as of 30 September 2026.
RealVNC Connect fits business fleets that need an on-premises management console on Enterprise and cloud connectivity, MSI mass deployment on higher tiers, and Enterprise Group Policy deployment and account SSO; direct connections are available on some plans; see RealVNC’s plan comparison. TeamViewer also offers fleet deployment and covers ChromeOS and a wider Linux distribution matrix.
For business use: evaluate RealVNC Connect for centralised management and commercial support. Start a free trial.
The short answer
Both are commercial remote access products with different starting points.
Side by side
| Dimension | RealVNC Connect | TeamViewer |
|---|---|---|
| Network path and RFB interoperability |
Cloud connections are brokered over outbound TLS from both endpoints. RealVNC first attempts a peer-to-peer path, then uses a relay through RealVNC's infrastructure when direct routing is blocked. Direct connections run between the endpoints on port 5900 TCP/UDP by default and are available on some plans; see RealVNC's plan comparison . RealVNC Connect uses RFB. |
TeamViewer performs a handshake through its master servers. About 70 percent of sessions then establish a direct UDP/TCP connection; the remainder use TeamViewer's router network. No inbound ports need to be opened. Its proprietary session protocol is not interoperable with standard VNC servers or clients. |
| No-preinstall attended support |
On-Demand Assist uses no pre-installed app and is included in Premium and Enterprise. |
QuickSupport is free for the support recipient. The technician who starts the session needs a licensed TeamViewer Remote client, and someone at the remote side supplies a random password for every session. |
| Fleet deployment, policy, and identity |
Device-based deployment with granular permissions; configuration through Group Policy (ADMX) and Intune; cloud-portal SSO through Entra ID or Okta; and on-premise Kerberos SSO for RealVNC Server on a domain |
Fleet administration through the management console; deployment through GPO/MSI and Intune; and SAML 2.0 SSO for Tensor with ADFS, Entra ID, Okta, OneLogin, Centrify, or Google Workspace, gated to a Tensor or Enterprise license |
| Platform coverage |
Supports Windows, macOS, Linux, Raspberry Pi OS, Android, and iOS on the RealVNC Connect v7 platform list. |
Supports that list, along with ChromeOS and a wider Linux distribution matrix covering Ubuntu, RHEL, Fedora, and Mint |
| Security posture |
Uses end-to-end AES session encryption: 128-bit by default, with 256-bit selectable in the Viewer. Accounts use email-based two-factor authentication by default, with other MFA options available. |
Uses AES-256-GCM end-to-end session encryption and mutually authenticated TLS 1.3 for session authentication in TeamViewer v15.73 and later. Account controls include two-factor authentication and Trusted Devices. |
| Unattended access |
RealVNC Connect Device Access is installed in advance for attended or unattended remote access through direct or cloud connections. |
For unattended access, TeamViewer Host must be installed on the remote device and assigned to a TeamViewer account. Once configured, connections do not require confirmation at the remote side. |
Where each one wins, in depth
RealVNC Connect’s case
RealVNC Connect centers on device access and its VNC and RFB foundations. Direct LAN connections are available on some plans; see RealVNC’s plan comparison. Its device deployment and permissions fit deployments where remote control is the main job. It loses on platform coverage: TeamViewer supports ChromeOS.
TeamViewer’s case
TeamViewer offers attended support without pre-installation through QuickSupport, deployment with GPO/MSI and Intune, and Tensor SSO with ADFS, Entra ID, Okta, OneLogin, Centrify, and Google Workspace under a Tensor or Enterprise license. Its supported platforms include ChromeOS, Ubuntu, RHEL, Fedora, and Mint. It loses on RFB interoperability: the proprietary session protocol cannot connect to standard VNC servers or clients.
Where both lose
Neither product is open source. Organizations that require source auditability should consider the open-source column of the vendor directory. Security in either product still depends on account controls, endpoint maintenance, and sound deployment policy.
Compare by situation
RealVNC Connect considerations
- You need direct LAN control available on some plans; see RealVNC's plan comparison
- VNC lineage matters to your environment
TeamViewer considerations
- You need a platform outside RealVNC Connect's list, such as ChromeOS
- You need SSO across more identity providers through TeamViewer, including ADFS, Entra ID, Okta, OneLogin, Centrify, and Google Workspace, under a Tensor or Enterprise license
Find both products and open-source alternatives in the vendor directory.
After you choose, see Get VNC software.
Open-source VNC suits personal projects and home labs. When your business depends on remote access, RealVNC Connect adds end-to-end encryption, centralised management and commercial support from the team that created VNC.