⚡ 簡単な評価:
- 価格: Tailscale starts at $0 Free Forever. Bitdefender VPN bundles start at $59.99/yr.
- 最適な用途: Bitdefender VPN for private browsing. Tailscale for remote access to your own devices.
- 主な違い： Bitdefender hides your IP behind its servers. Tailscale links devices directly in a mesh.
- 私たちのおすすめ： Tailscale for most readers — it’s free, fast, and runs on more platforms.
Bitdefender VPN and Tailscale both call themselves VPNs.
But they don’t do the same job.
Bitdefender VPN hides your internet traffic behind its own servers.
Tailscale links your own devices into one private network.
One protects your online privacy. The other gives you secure remote access.
Pick the wrong one, and you pay for features you’ll never use.
概要
This Bitdefender VPN vs Tailscale comparison covers pricing, 安全、スピード、使いやすさ。
私たちは両ツールのドキュメント、価格ページ、ユーザーレビューを確認しました。
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。
それらのメモは、以下の「チームが気づいたこと」のセクションに記載されています。
この記事を読み終える頃には、あなたのニーズに合った仮想プライベートネットワークがどれなのかが分かるでしょう。
Bitdefender VPN とは何ですか?
Bitdefender VPN comes from Bitdefender, a Romanian security company.
It encrypts your VPN connection and hides your IP addresses from websites.
The premium VPN runs on the Catapult Hydra protocol from ホットスポットシールド.
Hotspot Shield tech handles the work of providing VPN services behind the scenes.
It also supports WireGuard and オープンVPN for stable connections.
You manage it inside your Bitdefender Central account.
Desktop and mobile apps are available for Windows, macOS, アンドロイド、そしてiOS。
ビットディフェンダーVPN
A security-first VPN from a well-known antivirus maker. It covers 10 devices with AES-256 encryption and a kill switch.
Bitdefender VPNの価格設定
Bitdefender sells its VPN inside four security bundles. Here’s what each one costs.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| Bitdefender Total Security | 年間59.99ドル | Antivirus with a limited VPN |
| Bitdefender Premium Security | 年間79.99ドル | Unlimited VPN plus antivirus |
| Bitdefender Ultimate Security | 年間89.99ドル | Security plus identity protection |
| Bitdefender Ultimate Security Plus | 年間119.99ドル | Families wanting every protection layer |
Pricing verified September 2026.
無料トライアル: A 7-day trial is available. A limited free version comes with an active Bitdefender security package, capped at 200MB of daily traffic.
返金保証: Both monthly and annual plans include a 30-day money-back guarantee.
📌 注記： Payment works with credit/debit cards and PayPal. Cryptocurrency isn’t accepted, so anonymous checkout isn’t possible.
⚠️ 警告： Our table shows the bundle prices from our database. Bitdefender also lists a standalone Bitdefender Premium VPN. It costs $6.99 per month, or $39.99 for the first year ($3.33/month). Check which option your region shows at checkout.
Bitdefender VPNの主な利点
Bitdefender VPNを検討する価値がある理由は以下のとおりです。
- Security in One App: You get antivirus, an ad blocker, and an anti-tracker with your VPN. The anti-tracker also cuts down on targeted ads.
- 高速接続時間： The Catapult Hydra protocol connects you in a few seconds. You can switch to WireGuard or OpenVPN anytime.
- 同時接続数：10 One license covers up to 10 devices. Every plan allows the same number.
- 公共Wi-Fiの保護： It secures your connection at cafés and airports. It can automatically connect when you join unsecured networks.
- Kill Switch and Split Tunneling: Once enabled, the kill switch blocks internet traffic if the VPN drops. Split tunneling lets certain websites and apps skip the VPN tunnel.
- ルーマニアの管轄： Bitdefender is based outside the 5 Eyes alliance. That’s a plus for your online activities.
私たちのチームが気づいたこと
私たちの 作家 installed Bitdefender VPN and used it for daily browsing. Here’s what stood out:
Bitdefender VPNのメリットとデメリット
✅ メリット
- Clean app that’s easy for beginners
- Bundles antivirus, ad blocker, and anti-tracker
- すべてのサーバーでP2Pファイル共有が許可されています。
- 24時間年中無休のライブチャットと電話サポート
❌ デメリット
- Linux、ルーター、Apple TV、Fire TV Stickはサポートされていません。
- ストリーミングのブロック解除は不安定です
- Vague privacy policy on technical データ ログ記録
- Doesn’t work in China (no obfuscation)
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 connects your own devices into one private network called a tailnet.
Creating a tailnet takes just a few minutes.
Each device gets a stable 100.x.y.z IP address.
Devices talk directly instead of routing through Tailscale servers.
You sign in with an existing identity provider, like Google or Microsoft.
Developers, IT teams, and home lab fans use it for remote access.
尾秤
A mesh network that links your laptop, phone, and servers directly. It’s free for personal use with up to 100 devices.
テールスケール価格設定
Tailscale keeps personal pricing simple. There are two personal plans.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 個人的 | 永久無料$0 | Individual users and home labs |
| パーソナルプラス | 月額5ドル | Small groups that need more users |
Pricing verified September 2026.
無料トライアル: The free plan needs no trial. Signing up with a custom-owned domain starts a 14-day Enterprise trial automatically.
返金保証: Refund terms aren’t highlighted on the pricing page. The free-forever plan is the safest way to test first.
📌 注記： The free plan limits you to three users but allows up to 100 devices. New users don’t need a credit card to start.
⚠️ 警告： Our table shows personal plans from our database. Tailscale’s research data also lists 仕事 tiers. Starter costs $6 per extra user monthly and adds 10 devices per user. Premium costs $18 per user with 20 devices per user and priority support.
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。
- ピアツーピア速度： Network traffic flows directly between devices. That cuts lag compared to hub-and-spoke VPNs.
- クイックセットアップ: Install the app, sign in, and your device joins. There’s no complex configuration or dedicated hardware.
- IDベースのアクセス制御： Access control policies (ACLs) use identity, not just IP addresses. You can create custom groups, which strengthens network security.
- MagicDNS: Reach devices by name instead of number. It makes device communication much simpler.
- サブネットルーター: Reach printers and gear that can’t run the client. One device shares access to the whole subnet.
- 単一障害点なし： The decentralized design eliminates single points of failure. Traffic reroutes if one path fails.
私たちのチームが気づいたこと
Our writer signed up for Tailscale and connected a few personal devices. 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
- Direct peer-to-peer connections with low lag
- Access controls based on user identity
- Subnet routers and exit nodes add flexibility
❌ デメリット
- Doesn’t hide your IP from websites by default
- Can’t unblock streaming services
- Free plan support is email-only during 仕事 時間
機能比較
These two tools solve different problems, so details matter. Here’s how Bitdefender VPN vs Tailscale compares across 10 key areas.
| 特徴 | ビットディフェンダーVPN | 尾秤 |
|---|---|---|
| 開始価格 | 年間59.99ドル | 永久無料$0 |
| 無料プラン | ❌ (200MB/day with a suite) | ✅ Up to 100 devices |
| Hides IP From Websites | ✅ | ❌ (only via exit node) |
| Device-to-Device Mesh | ❌ | ✅ |
| 内蔵広告ブロッカー | ✅ | ❌ |
| Linuxサポート | ❌ | ✅ |
| ストリーミングのブロック解除 | 限定 | ❌ |
| 暗号化 | AES-256 | ワイヤーガード |
| 最適な用途 | Private browsing | デバイスへのリモートアクセス |
1. Network Design
ビットディフェンダーVPN: Bitdefender uses a classic client-server model. Your traffic travels through a VPN server, then out to the internet. Websites see the server’s IP, not yours.
尾部スケール: Tailscale splits its design in two. A control plane handles key exchange and helps devices find each other. The data plane sends encrypted traffic straight between devices using UDP hole punching and NAT traversal.
⚠️ 警告： These aren’t direct rivals. Bitdefender protects your browsing. Tailscale connects machines you already own.
2. 暗号化とプロトコル
ビットディフェンダーVPN: Bitdefender uses AES-256 encryption. The Catapult Hydra protocol runs by default, with WireGuard and OpenVPN as backups. Some users have reported inconsistent leak protection, so run a leak test after setup.
尾部スケール: Tailscale uses WireGuard for every tunnel. Encryption runs end to end between devices. It isn’t just WireGuard, though. It adds key management, NAT traversal, and access controls on top.
3. プライバシーとログ記録
ビットディフェンダーVPN: Bitdefender says it keeps no traffic logs, IP addresses, or browsing history. It does log some technical data, like user and device IDs, for fraud prevention. That data is stored as hashed user records and randomly generated tokens. A third-party data processor processes data under Bitdefender’s instructions. Critics call the policy vague, and there’s no separate VPN logging policy.
尾部スケール: Tailscale’s coordination servers only handle keys and help devices find each other. Your data traffic never passes through them. But websites still see your real IP unless you route through an exit node.
4. Security Extras and Access Control
ビットディフェンダーVPN: Bitdefender adds an automatic kill switch, ad blocker, and anti-tracker. These additional features filter harmful sites before online threats reach you. Bitdefender’s wider security suite adds threat detection tools.
Bitdefender’s AI-driven detection engine sits underneath those tools.
Businesses can also add managed detection and response services.
尾部スケール: Tailscale focuses on who can reach what. ACLs set permissions by identity, and custom groups keep roles tidy. It supports SSO and connects with over 100 technology and identity providers.
5. Servers and Speed
ビットディフェンダーVPN: Bitdefender offers over 4,000 servers in 54 countries. The server list includes a UK server and a favorites system for quick picks. The app shows download speeds and ping times. Performance dips on distant server locations like Japan and オーストラリア. It’s slower than NordVPN and エクスプレスVPN.
尾部スケール: Tailscale has no server list to choose from. Your devices are the network, so there’s no crowded server location slowing you down. You can also connect cloud machines on Google Cloud and other providers.
It can link several cloud providers into one network too.
6. Remote Access, Exit Nodes, and Subnet Routers
ビットディフェンダーVPN: Bitdefender doesn’t offer remote access to your own devices. It secures outbound traffic. It doesn’t link machines together.
尾部スケール: Remote access is Tailscale’s core job. Reach a home server, office computer, or other devices from anywhere. Any device can be one of your exit nodes, routing internet traffic through it. A subnet router shares access to devices that can’t run the Tailscale client.
Subnet routers also connect whole offices and sites together.
💡 プロのヒント: An exit node is how Tailscale works as a VPN. Traffic leaves through your chosen device, not a commercial server.
7. Streaming and Geo-Restricted Content
ビットディフェンダーVPN: Bitdefender helps you reach geo restricted content like BBC iPlayer. Results for Netflix, Amazon Prime Video, and Disney+ are mixed across reports. There are no dedicated streaming servers.
尾部スケール: Tailscale can’t unblock streaming services. It wasn’t built for that. An exit node only gives you the IP of your own device’s location.
⚠️ 警告： If streaming is your main goal, neither tool is a strong pick. A dedicated streaming VPN will serve you better.
8. デバイスおよびプラットフォームのサポート
ビットディフェンダーVPN: Bitdefender supports only Windows, macOS, Android, and iOS. There’s no Linux app, router support, Apple TV, or Fire TV Stick app. That hurts households with mixed devices.
尾部スケール: Tailscale runs on all major operating systems, including Linux. You can install Tailscale on a MacBook Pro, a Windows PC, or an Apple TV. It also works across cloud, on-premises, and edge infrastructure.
Container teams get native support as well.
9. 使いやすさとサポート
ビットディフェンダーVPN: The Bitdefender app is clean and beginner-friendly. Desktop notifications tell you when the latest version is ready. Support includes 24/7 live chat, email, and phone support. But Bitdefender’s products all share one general support team, not specialist providers. Email replies can take 30 minutes or longer.
A knowledge base with how-to guides covers common questions.
尾部スケール: Tailscale setup is basically install, sign in, done. A web dashboard manages users, devices, and permissions. Free users get email support during business hours only. Developers can also file bugs on GitHub.
10. 価格設定とコスト
料金プランを並べて比較してみましょう。
| プラン | ビットディフェンダーVPN | 尾秤 |
|---|---|---|
| 無料 | 200MB/day with a security suite | Personal: $0 Free Forever |
| 入場料支払い済み | トータルセキュリティ：年間59.99ドル | パーソナルプラス：月額5ドル |
| 中級クラス | プレミアムセキュリティ：年間79.99ドル | — |
| 上段 | 究極のセキュリティ：年間89.99ドル | — |
| トップティア | アルティメットセキュリティプラス：年間119.99ドル | — |
ビットディフェンダーVPN: You get antivirus and a VPN on one bill. That’s good value if you need both. If you only want a VPN, the bundles cost more than necessary.
尾部スケール: Most people never pay anything. The free plan covers 100 devices. Personal Plus suits groups that need more users.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 予算が限られている | 尾秤 | Free plan covers 100 devices |
| Hide your IP on public Wi-Fi | ビットディフェンダーVPN | Routes traffic through VPN servers |
| Access a home or office computer | 尾秤 | Built for remote access |
| Antivirus plus VPN | ビットディフェンダーVPN | One security bundle |
| Linux or Apple TV | 尾秤 | より幅広いプラットフォームのサポート |
| 初心者向けのセットアップ | ネクタイ | Both apps are simple |
💰 あなたの予算
Tailscale costs nothing for most personal setups. Bitdefender only makes financial sense if you also want antivirus.
🔌 あなたの技術スタック
Running Linux servers or cloud machines? Tailscale fits right in. Bitdefender stops at four platforms.
🎯 あなたの主な目標
Want online security while browsing? Pick Bitdefender. Want to reach your own devices anywhere? Pick Tailscale.
🎓 あなたの経験レベル
Bitdefender is one tap and done. Tailscale is easy too, but advanced features like ACLs take some learning.
🆓 無料トライアルとデモ
Tailscale’s free plan lets you test everything first. Bitdefender offers a 7-day trial and a 30-day refund window.
🛟 サポートオプション
Bitdefender offers 24/7 chat and phone help. Tailscale’s free tier gets email support during business hours only.
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 Bitdefender VPN to Tailscale?
✅ 得られるもの：
- Direct access to your own devices from anywhere
- Linux, Apple TV, and cloud server support
- A free plan for up to 100 devices
❌ 失うもの：
- IP masking through commercial VPN servers
- Bundled antivirus, ad blocker, and anti-tracker
- 24時間年中無休のライブチャットと電話サポート
📋切り替え方法：
- Turn off auto-renewal in your Bitdefender Central account
- Create a Tailscale account with your identity provider
- Install the app on each device and configure exit nodes if needed
🔄 Switching from Tailscale to Bitdefender VPN?
✅ 得られるもの：
- Hidden IP address on every site you visit
- 54か国に4,000台以上のサーバー
- Kill switch and public Wi-Fi protection
❌ 失うもの：
- Peer-to-peer mesh between your devices
- Subnet routers, exit nodes, and MagicDNS
- IDベースのアクセス制御
📋切り替え方法：
- Remove devices from your tailnet in the admin console
- Buy a Bitdefender plan that includes the VPN
- Download the app and log in on up to 10 devices
私たちのレビューで取り上げられなかったこと
Unlike a full Bitdefender Premium VPN review, this piece doesn’t benchmark speeds. It focused on individual users and small teams. We didn’t test Tailscale’s Enterprise plan or large-scale ACL setups. We also didn’t check Bitdefender VPN inside China, where it reportedly fails. Features and prices reflect September 2026 and may change.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | 尾秤 |
| 🔒 Privacy From Websites | ビットディフェンダーVPN |
| 🖥️ Remote Access | 尾秤 |
| ⚡ スピード | 尾秤 |
| 🔌 デバイスサポート | 尾秤 |
| 👶 使いやすさ | ビットディフェンダーVPN |
| 🛟 カスタマーサポート | ビットディフェンダーVPN |
| 🏆総合優勝 | 尾秤 |
🏆 WINNER: TAILSCALE
Tailscale wins 4 out of 7 categories.
最適な用途: Remote access, home labs, and small team networks.
💡 Rating Note: Both tools hold a 3.5 rating on FahimAI. We broke the tie on entry price and platform reach. Tailscale is free and runs on Linux.
Bitdefender VPN and Tailscale are two very different products. Bitdefender is a traditional VPN provider inside an antivirus brand. Tailscale is secure networking for devices you control.
Bitdefender VPN is a good fit if you want privacy on public Wi-Fi plus antivirus. But for most readers comparing these two, Tailscale gives more value for less money.
Bitdefender VPNの比較
Here’s how Bitdefender VPN holds up against other VPN providers:
Bitdefender VPNが優れている点： antivirus in the same bundle, a simpler one-tap app, phone support for account issues
NordVPNが優れている点： higher raw speeds, Linux and router apps, independently audited no-logs claims
Bitdefender VPNが優れている点： cheaper suite pricing, an ad blocker bundled in, 10 devices per license
ExpressVPNが優れている点： works in China, router support, faster long-distance connections
Bitdefender VPN vs サイバーゴースト
Bitdefender VPNが優れている点： bundled threat protection, phone support, identity tools in upper plans
CyberGhostが勝利した点： dedicated streaming servers, a Linux app, a longer refund window
尾鱗の比較
Here’s how Tailscale holds up against other VPN services:
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： direct device-to-device links, identity-based ACLs, subnet routing for printers and servers
ProtonVPNが優れている点： hides your IP by default, streaming access, Secure Core multi-hop servers
テイルスケールが勝利した点： no central server bottleneck, SSO sign-in, free for up to 100 devices
SurfsharkVPNが優れている点： unlimited device connections, a built-in ad blocker, thousands of shared servers
テイルスケールが勝利した点： MagicDNS device names, easy cloud connectivity, no server list to manage
プライベートインターネットアクセス 勝利したタイトル： large global server network, streaming unblocking, open-source app code
よくある質問
Bitdefender VPNは信頼できるのか？
Mostly, for everyday use. It uses AES-256 encryption and a no-logs policy for browsing. But it logs some technical data, and critics call its privacy policy vague.
Bitdefender VPNは無料ですか？
Only partly. A free version comes with active Bitdefender security, capped at 200MB per day. Unlimited use requires a paid plan starting at $59.99/yr.
Tailscaleと通常のVPNの違いは何ですか？
A normal VPN sends traffic through company servers to hide your IP. Tailscale connects your devices directly to each other in an encrypted mesh.
TailscaleはあなたのIPアドレスを隠しますか？
Not by default. Websites still see your real IP. Routing traffic through an exit node gives you that device’s IP instead.
Bitdefender VPNはインターネット接続速度を低下させますか？
A little, like every VPN. The Catapult Hydra protocol keeps speeds decent. Expect bigger drops on distant servers, like 日本 or Australia.
English 
Spanish 
Chinese 
German 
French 
Arabic 
Russian 
Portuguese 
Japanese 
Korean 
Italian 
Turkish 
Dutch 
Polish 
Indonesian 
Thai 
Vietnamese 