⚡ 簡単な評価:
- 価格: Both have free plans. OpenVPN’s Growth plan costs $7/month. Tailscale’s Personal Plus costs $5/per month.
- 最適な用途: Tailscale for linking your own devices fast. OpenVPN for custom, self-hosted VPN setups.
- 主な違い： Tailscale builds a direct mesh between devices. OpenVPN routes traffic through a central VPN server.
- 私たちのおすすめ： Tailscale for most beginners. Setup is quick and needs no manual configuration.
OpenVPN and Tailscale both lock your データ inside an encrypted tunnel.
しかし、それらは同じ種類の道具ではない。
OpenVPN is a veteran tunneling protocol you configure and run yourself.
Tailscale is a mesh network that links your own devices in minutes.
One gives you total control. The other saves you hours of setup.
Pick the wrong one, and you’ll fight your network instead of using it.
概要
This OpenVPN vs Tailscale comparison covers setup, 安全, speed, pricing, and access controls.
We reviewed documentation, pricing pages, and G2 reviews for both tools.
私たちのライター陣は、それぞれの動物と実際に触れ合う時間も設けました。
Those notes appear in the “What Our Team Noticed” sections below.
最後には、どのツールがあなたに適しているかが分かるでしょう リモートアクセス ニーズ。
OpenVPN とは何ですか?
OpenVPN is an open source VPN protocol first released in 2001.
It builds a secure tunnel between a VPN client and a VPN server.
It runs a custom security protocol on top of SSL/TLS.
That places it in the Secure Sockets Layer family of VPNs.
The OpenVPN company (OpenVPN Technologies Inc.) sells OpenVPN Access Server for 仕事 チーム。
Most VPN providers, like Surfshark and エクスプレスVPN, run OpenVPN servers too.
So you can use it two ways: self-hosted, or through a VPN provider.
Like other virtual private networks, it shields sensitive data on public Wi-Fi.
Here’s how OpenVPN works in practice.
オープンVPN
Build your own VPN with open source code anyone can inspect. Great for IT teams who want full control.
OpenVPNの価格設定
2026年におけるOpenVPNのコストは以下のとおりです。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | $0 | Testing a small setup or home lab |
| 成長 | 月額7ドル | Small teams that need managed access |
| 企業 | カスタム | Large companies with complex networks |
Pricing verified September 2026.
無料トライアル: Not needed. The Free plan lets you test before paying.
返金保証: Check OpenVPN’s billing terms on the pricing page before upgrading.
📌 注記： The OpenVPN Community Edition is free open source software. You only pay for managed tools.
⚠️ 警告： The free protocol doesn’t include VPN servers. You must host an OpenVPN server or pick an OpenVPN compatible service.
OpenVPNの主な利点
OpenVPNを検討する価値がある理由は以下のとおりです。
- オープンソースコード： Anyone can read and audit the open source OpenVPN protocol. A global developer community spots flaws and ships fixes.
- 強力な暗号化: It supports encryption algorithms like AES and Blowfish. The OpenSSL library adds even more choices.
- 完全な前方秘匿性： Each session uses fresh encryption keys. One leaked key can’t expose all your past data.
- Firewall-Friendly: It slips through firewalls and NAT gateways better than most VPN protocols. That keeps VPN connections alive on strict office networks.
- TCP or UDP: Pick OpenVPN UDP for speed. Pick OpenVPN TCP when reliability matters more.
- Runs Almost Anywhere: It works on all major operating systems, plus Tomato and Solaris. It handles IPv4 and IPv6 traffic too.
私たちのチームが気づいたこと
私たちの 作家 signed up for OpenVPN and spent time with the OpenVPN Connect app. Here’s what stood out:
OpenVPNのメリットとデメリット
✅ メリット
- Open source code gets constant community review
- Choose TCP for reliability or UDP for speed
- Handles firewalls and NAT gateways well
- 個人利用向けの無料コミュニティ版
❌ デメリット
- 手動設定は初心者には複雑になる可能性がある
- Slower than WireGuard-based tools
- Setup on mobile devices feels clunkier than on desktop
Tailscaleとは何ですか?
Tailscaleは、WireGuardプロトコルに基づいて構築されたゼロトラストメッシュVPNです。
It links your own devices into a private network called a “tailnet.”
Once installed, each device gets a stable 100.x.y.z IP address.
Devices talk to other devices directly, not through a central VPN server.
Tailscale’s servers only swap keys and help devices find each other.
That split keeps your network traffic off its servers.
Basically, it’s secure networking without the usual server headaches.
尾秤
Connect laptops, phones, and servers without port forwarding. The free plan covers up to 100 devices.
テールスケール価格設定
Here’s what Tailscale costs for personal use in 2026.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 個人的 | 永久無料$0 | Home labs and hobby projects |
| パーソナルプラス | 月額5ドル | Families or power users sharing one network |
Pricing verified September 2026.
無料トライアル: Sign up with a custom-owned domain, and you get a 14-day Enterprise trial.
返金保証: Check Tailscale’s billing terms before upgrading. The free plan doubles as your trial.
📌 注記： The free plan allows three users and up to 100 devices. It can even restrict individual users from specific resources.
⚠️ Price check: Tailscale also sells team plans. Some sites list Starter at $6 per user and Premium at $18 per user. Confirm current rates at checkout.
テールスケールの主な利点
Tailscaleを検討する価値がある理由は以下のとおりです。
- クイックセットアップ: Install Tailscale, sign in with an existing account, and the device joins. No router tweaks needed.
- 直接接続: It uses UDP hole punching and NAT traversal to build secure connections. Traffic flows device to device, which cuts lag.
- IDベースのアクセス制御： Access rules follow people, not IP addresses. That’s a big boost for network security.
- MagicDNS: Reach devices by name instead of a long IP address. It’s enabled on new tailnets by default.
- 出口ノード: Route internet traffic through a device you trust. That’s how Tailscale acts like a classic VPN.
- 単一障害点なし： The design eliminates single points of failure. Traffic reroutes if one path drops.
私たちのチームが気づいたこと
Our writer signed up for Tailscale and built a small test tailnet. Here’s what stood out:
テールスケールの長所と短所
✅ メリット
- Free plan covers up to 100 devices
- Setup takes minutes with no port forwarding
- Direct WireGuard connections keep speeds high
- Access rules based on user identity, not IP addresses
❌ デメリット
- Free plan support is email-only during business hours
- Depends on Tailscale’s coordination servers to connect devices
- Doesn’t hide your IP unless you set up an exit node
機能比較
Here’s how OpenVPN and Tailscale compare across nine key features. Each section shows how both tools handle the same job.
| 特徴 | オープンVPN | 尾秤 |
|---|---|---|
| 開始価格 | $0 | 永久無料$0 |
| Lowest Paid Plan | 月額7ドル | 月額5ドル |
| 無料プラン | ✅ | ✅ |
| Self-Hosted VPN Server | ✅ | ❌ |
| ピアツーピアメッシュ | ❌ | ✅ |
| TCP and UDP Modes | ✅ | ❌ (UDP protocol) |
| Identity-Based Access Rules | ✅ (business plans) | ✅ |
| Exit Nodes / Full Tunnel | ✅ | ✅ |
| Works Without Manual Config | ❌ | ✅ |
| 最適な用途 | Custom self-hosted setups | Linking your own devices |
1. 安全なリモートアクセス
オープンVPN: OpenVPN is widely used for remote access to company networks. Each worker runs an OpenVPN client that dials a central server. It scales from one laptop to large site-to-site links.
尾部スケール: Tailscale lets you reach your devices from any network. A laptop at a café can open a home computer as if it’s local. No VPN server sits in the middle.
2. セットアップと使いやすさ
オープンVPN: To install OpenVPN yourself, you build a server, certificates, and client profiles. Settings live in editable .ovpn 文章 files. On Windows, the OpenVPN GUI imports them. Most VPN users prefer a provider with everything preconfigured.
尾部スケール: Download the Tailscale app on each device and sign in. New users join through an invite link. A web dashboard controls users, devices, and permissions.
This tutorial shows the full setup process.
⚠️ 警告： One wrong line in an OpenVPN config can break the tunnel. Beginners should start with a ready-made profile.
3. Protocols & Encryption
Both tools rely on proven encryption protocols for creating VPN tunnels. The difference is how much you control.
オープンVPN: OpenVPN uses a public key infrastructure, so both sides check certificates. For user authentication OpenVPN can add passwords too. You pick encryption ciphers and key lengths, and each choice affects security.
尾部スケール: Tailscale uses WireGuard for every link. WireGuard ships a small, fixed set of modern ciphers. There’s nothing to tune, so there’s less to get wrong.
💡 プロのヒント: Turn on OpenVPN’s TLS auth option. It acts as an HMAC firewall, tagging packets with a hash message authentication code. Fake packets get dropped 早い.
4. スピードとパフォーマンス
オープンVPN: OpenVPN connections run over one of two transport modes. UDP (user datagram protocol) skips delivery checks, so it’s faster. TCP (transmission control protocol) confirms every packet, which is steadier but slower. Either way, it trails newer tunneling protocols like WireGuard.
尾部スケール: Classic VPN clients funnel traffic through one hub server. Tailscale sends traffic straight between devices over WireGuard instead. That lowers lag and raises throughput.
✅ 知っておくと良いこと： Many security guides still list OpenVPN with the safest VPN protocols. Its long history and deep feature set earn that trust.
5. Site-to-Site Networking
オープンVPN: OpenVPN can join two offices with a permanent tunnel. You set routing on both ends and keep both servers online. It’s a common way to link private networks.
尾部スケール: Tailscale uses subnet routers to join whole networks. One device shares its local subnet, and the tailnet can reach it. Tailscale works across platforms this way, without dedicated hardware.
6. Zero Trust & Access Controls
オープンVPN: OpenVPN’s business plans can enforce zero trust access rules. Admins decide which groups reach which apps. On the self-hosted side, that takes more planning.
尾部スケール: Tailscale starts from a zero-trust model. ACLs grant access by identity, and you can build custom groups. SSO works with 20+ identity providers, and external guests join by invite link.
7. Cloud & SaaS Access
オープンVPN: OpenVPN can create secure access to SaaS apps and cloud tools. Its SaaS protection shows who uses which cloud app. Everything else gets blocked.
尾部スケール: Tailscale joins servers on AWS, Google Cloud, and on-premises racks into one network. It also supports Kubernetes clusters and multi-cloud setups. The company lists 100+ integrations overall.
8. IoT & Edge Devices
オープンVPN: OpenVPN can protect IoT traffic between sensors, gateways, and servers. It runs on many routers and lightweight systems. Third-party scripts and plugins can extend it further.
尾部スケール: The Tailscale client runs on phones, Apple TV, and a MacBook Pro alike. It also handles edge boxes and small Linux boards. Printers and other clients that can’t run the client software join via a subnet router.
9. DNS & Internet Traffic
オープンVPN: OpenVPN’s business tier adds DNS security and content filtering. Bad domains are blocked before anyone loads them. As a full VPN tunnel, it also hides browsing from your internet service provider.
尾部スケール: MagicDNS gives every device a readable name. For internet access through a trusted machine, set it as an exit node. Otherwise, your regular browsing never touches Tailscale.
10. 価格設定とコスト
Here are both price lists side by side.
| 計画レベル | オープンVPN | 尾秤 |
|---|---|---|
| 無料 | 無料：0ドル | Personal: $0 Free Forever |
| 有料入場 | Growth: $7/month | パーソナルプラス：月額5ドル |
| 企業 | エンタープライズ：カスタム | Team plans sold per user |
オープンVPN: The OpenVPN free tier suits small tests, and the Community Edition costs nothing. Growth adds managed access for small teams. Enterprise pricing is custom, so expect a sales call.
尾部スケール: Tailscale’s free plan is generous for home users. Personal Plus adds room for more people on one tailnet. Business plans add more devices per user and priority support.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| Free access to your own devices | 尾秤 | Free plan covers 100 devices |
| Full custom control | オープンVPN | Every setting is editable |
| 初心者向けのセットアップ | 尾秤 | Sign in and connect |
| Legacy routers or rare systems | オープンVPN | Runs on Tomato and Solaris |
| Hide your IP every day | OpenVPN (via a provider) | Full tunnel by default |
| Identity-based access rules | 尾秤 | ACLs tied to each user |
| Lowest paid tier | 尾秤 | Cheaper Personal Plus plan |
💰 あなたの予算
Both tools let you start at zero. Tailscale’s paid personal tier costs less than OpenVPN’s Growth plan.
🔌 あなたの技術スタック
Tailscale fits cloud servers, Kubernetes, and mixed devices. OpenVPN fits existing firewalls, routers, and older office networks.
🧩 Your Network Design
Tailscale lets every device reach every other device directly. OpenVPN sends everything through one hub, which is simpler to audit.
🎓 あなたの経験レベル
New to networking? Tailscale hides the hard parts behind a simple app. OpenVPN rewards people who enjoy editing config files.
🆓 無料トライアルとデモ
Test both on free plans before you pay. Try a real task, like reaching a home server from your phone.
🛟 サポートオプション
Tailscale’s free plan gets email support during business hours. Free users can also file bugs on GitHub. OpenVPN Community Edition users lean on forums and docs.
🔒 データプライバシー
OpenVPN lets you host everything, so no outside company sees your setup. Tailscale’s coordination servers see device details, but never your data traffic.
切り替えガイド
既にこれらのツールのいずれかをご利用ですか？切り替える場合、どのような変更が予想されますか？
🔄 Switching from OpenVPN to Tailscale?
✅ 得られるもの：
- Direct device-to-device links with no hub
- Setup without certificates or config files
- Identity-based ACLs and MagicDNS names
❌ 失うもの：
- Full self-hosting with no outside coordination servers
- Control over every cipher and port
- Support for rare systems like Solaris
📋切り替え方法：
- List the devices and subnets your OpenVPN server reaches.
- Create a Tailscale account and install the client on each device.
- Add a subnet router for gear that can’t run Tailscale, then retire old tunnels.
🔄 Switching from Tailscale to OpenVPN?
✅ 得られるもの：
- Full ownership of the server and keys
- A choice of TCP or UDP per connection
- Deep customization through scripts and plugins
❌ 失うもの：
- Zero-config mesh networking
- MagicDNS device names
- A simple web dashboard for users and devices
📋切り替え方法：
- Export your ACL rules and device list from the Tailscale admin console.
- Install OpenVPN software on your own server, or sign up for Access Server.
- Create client profiles and install OpenVPN Connect on each device.
私たちのレビューで取り上げられなかったこと
This comparison focused on individuals and small teams. We didn’t test large site-to-site rollouts or Kubernetes at scale. Enterprise plans and custom pricing weren’t part of this review. Our notes reflect the September 2026 versions, so features may have changed since.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | 尾秤 |
| 👶 使いやすさ | 尾秤 |
| ⚡ スピード／パフォーマンス | 尾秤 |
| 🔐 Access Controls | 尾秤 |
| 🔧 カスタマイズ | オープンVPN |
| 🛡️ Protocol Maturity | オープンVPN |
| 💻 Legacy System Support | オープンVPN |
| 🏆総合優勝 | 尾秤 |
🏆 WINNER: TAILSCALE
Tailscale wins 4 out of 7 categories.
最適な用途: Home labs, remote teams, and cloud servers
OpenVPN and Tailscale solve related but different problems. OpenVPN is one protocol, but it offers more settings than other VPN protocols. Tailscale is a ready-made mesh for your own devices.
OpenVPN is the better pick for IT teams that want full control. It also suits older hardware and fully self-hosted setups.
For most beginners, Tailscale is the easier and cheaper choice. You can start free and grow from there.
OpenVPNの比較についてさらに詳しく
Here’s how OpenVPN stacks up against popular VPN services:
OpenVPNが優れている点： self-hosting with no third-party trust, code you can audit line by line, custom cipher and port settings.
NordVPNが優れている点： a ready-made global server network, one-tap apps for phones, and NordLynx speeds for daily browsing.
OpenVPNが優れている点： zero cost with Community Edition, office-to-office links, and config files you fully own.
ExpressVPNが優れている点： OpenVPN preconfigured out of the box, streaming-friendly servers, and its own Lightway protocol.
OpenVPNが優れている点： access rules for company teams, IoT and SaaS security tools, and deep manual tuning.
サイバーゴースト 勝利したタイトル： an easy switch to OpenVPN inside its app, servers built for streaming, and a beginner-friendly layout.
尾鱗の比較
Here’s how Tailscale stacks up against classic VPN services:
テールスケール対 プライベートインターネットアクセス
テイルスケールが勝利した点： direct peer-to-peer links, a free plan for up to 100 devices, and subnet routers for local gear.
Private Internet Accessが優れている点： a choice of OpenVPN encryption levels, a large public server network, and IP hiding by default.
テールスケール対 サーフシャーク
テイルスケールが勝利した点： reaching your own servers from anywhere, identity-based ACLs, and no cost for personal use.
Surfsharkが勝利した点： OpenVPN and WireGuard tunnels to public servers, unlimited device connections, and CleanWeb ad blocking.
テールスケール対 プロトンVPN
テイルスケールが勝利した点： mesh networking between your machines, exit nodes you host yourself, and MagicDNS names.
ProtonVPNが優れている点： Swiss privacy laws, Secure Core multi-hop servers, and support for streaming apps.
よくある質問
TailscaleはOpenVPNよりも安全ですか？
Both are secure. Tailscale’s WireGuard base uses fixed modern ciphers, leaving less to misconfigure. The older protocol is more flexible, but weak settings can lower its security.
OpenVPN は無料ですか?
Yes. The Community Edition and the Free plan cost $0. Paid tiers start with Growth at $7/month, and Enterprise uses custom pricing.
Tailscaleと通常のVPNの違いは何ですか？
A normal VPN sends traffic through a provider’s server to hide your IP. Tailscale links your own devices directly in a private mesh network.
TailscaleはあなたのIPアドレスを隠しますか？
Not by default. It only hides your IP when you route traffic through an exit node. Then websites see that device’s IP instead.
OpenVPNのデメリットは何ですか？
Manual setup can be complex, and it runs slower than WireGuard. Setup on mobile devices also feels clunkier than on desktop.
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