

⚡ Nhận định nhanh:
- Chạy: Tailscale starts at $0 Free Forever. Bitdefender VPN bundles start at $59.99/yr.
- Phù hợp nhất cho: Bitdefender VPN for private browsing. Tailscale for remote access to your own devices.
- Điểm khác biệt chính: Bitdefender hides your IP behind its servers. Tailscale links devices directly in a mesh.
- Lựa chọn của chúng tôi: 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.
Toàn cảnh
This Bitdefender VPN vs Tailscale comparison covers pricing, bảo vệTốc độ và sự dễ sử dụng.
Chúng tôi đã xem xét tài liệu, trang giá cả và đánh giá của người dùng về cả hai công cụ.
Các cây bút của chúng tôi cũng đã dành thời gian trực tiếp tiếp xúc với từng người.
Những ghi chú đó xuất hiện trong phần "Những điều nhóm chúng tôi nhận thấy" bên dưới.
Cuối cùng, bạn sẽ biết mạng riêng ảo nào phù hợp với nhu cầu của mình.
Bitdefender VPN là gì?
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 Lá chắn điểm nóng.
Hotspot Shield tech handles the work of providing VPN services behind the scenes.
It also supports WireGuard and OpenVPN for stable connections.
You manage it inside your Bitdefender Central account.
Desktop and mobile apps are available for Windows, macOS, Androidvà iOS.

Bitdefender VPN
A security-first VPN from a well-known antivirus maker. It covers 10 devices with AES-256 encryption and a kill switch.
Bảng giá Bitdefender VPN
Bitdefender sells its VPN inside four security bundles. Here’s what each one costs.
| Kế hoạch | Giá | Tốt nhất cho |
|---|---|---|
| Bitdefender Total Security | 59,99 đô la/năm | Antivirus with a limited VPN |
| Bảo mật cao cấp Bitdefender | 79,99 đô la/năm | Unlimited VPN plus antivirus |
| Bitdefender Ultimate Security | 89,99 đô la/năm | Security plus identity protection |
| Bitdefender Ultimate Security Plus | 119,99 đô la/năm | Families wanting every protection layer |
Pricing verified September 2026.

Dùng thử miễn phí: A 7-day trial is available. A limited free version comes with an active Bitdefender security package, capped at 200MB of daily traffic.
Đảm bảo hoàn tiền: Both monthly and annual plans include a 30-day money-back guarantee.
📌 Ghi chú: Payment works with credit/debit cards and PayPal. Cryptocurrency isn’t accepted, so anonymous checkout isn’t possible.
⚠️ Cảnh báo: 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.
Những lợi ích chính của Bitdefender VPN
Dưới đây là những lý do khiến Bitdefender VPN đáng để bạn cân nhắc:
- 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.
- Thời gian kết nối nhanh: The Catapult Hydra protocol connects you in a few seconds. You can switch to WireGuard or OpenVPN anytime.
- 10 kết nối đồng thời: One license covers up to 10 devices. Every plan allows the same number.
- Bảo vệ Wi-Fi công cộng: 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.
- Thẩm quyền pháp lý của Romania: Bitdefender is based outside the 5 Eyes alliance. That’s a plus for your online activities.

Những điều nhóm chúng tôi nhận thấy
Của chúng tôi nhà văn installed Bitdefender VPN and used it for daily browsing. Here’s what stood out:

Ưu điểm và nhược điểm của Bitdefender VPN
✅ Ưu điểm
- Clean app that’s easy for beginners
- Bundles antivirus, ad blocker, and anti-tracker
- Cho phép chia sẻ tập tin P2P trên tất cả các máy chủ.
- Hỗ trợ qua điện thoại và trò chuyện trực tuyến 24/7
❌ Nhược điểm
- Không hỗ trợ Linux, router, Apple TV hoặc Fire TV Stick.
- Việc bỏ chặn phát trực tuyến không nhất quán
- Vague privacy policy on technical dữ liệu ghi nhật ký
- Doesn’t work in China (no obfuscation)
Tailscale là gì?
Tailscale là một mạng VPN dạng lưới không tin cậy (zero-trust mesh VPN) được xây dựng trên giao thức WireGuard.
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.

Cân đuôi
A mesh network that links your laptop, phone, and servers directly. It’s free for personal use with up to 100 devices.
Định giá quy mô nhỏ
Tailscale keeps personal pricing simple. There are two personal plans.
| Kế hoạch | Giá | Tốt nhất cho |
|---|---|---|
| Riêng tư | Miễn phí mãi mãi! | Individual users and home labs |
| Cộng thêm cá nhân | 5 đô la/tháng | Small groups that need more users |
Pricing verified September 2026.

Dùng thử miễn phí: The free plan needs no trial. Signing up with a custom-owned domain starts a 14-day Enterprise trial automatically.
Đảm bảo hoàn tiền: Refund terms aren’t highlighted on the pricing page. The free-forever plan is the safest way to test first.
📌 Ghi chú: The free plan limits you to three users but allows up to 100 devices. New users don’t need a credit card to start.
⚠️ Cảnh báo: Our table shows personal plans from our database. Tailscale’s research data also lists việc kinh doanh 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.
Lợi ích chính của việc thu gom rác thải quy mô lớn
Dưới đây là những lý do khiến Tailscale đáng để bạn cân nhắc:
- Tốc độ kết nối ngang hàng (Peer-to-Peer): Network traffic flows directly between devices. That cuts lag compared to hub-and-spoke VPNs.
- Thiết lập nhanh: Install the app, sign in, and your device joins. There’s no complex configuration or dedicated hardware.
- Truy cập dựa trên danh tính: 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.
- Bộ định tuyến mạng con: Reach printers and gear that can’t run the client. One device shares access to the whole subnet.
- Không có điểm lỗi duy nhất: The decentralized design eliminates single points of failure. Traffic reroutes if one path fails.

Những điều nhóm chúng tôi nhận thấy
Our writer signed up for Tailscale and connected a few personal devices. Here’s what stood out:

Ưu điểm và nhược điểm của Tailscale
✅ Ưu điểm
- 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
❌ Nhược điểm
- Doesn’t hide your IP from websites by default
- Can’t unblock streaming services
- Free plan support is email-only during việc kinh doanh giờ
So sánh tính năng
These two tools solve different problems, so details matter. Here’s how Bitdefender VPN vs Tailscale compares across 10 key areas.
| Tính năng | Bitdefender VPN | Cân đuôi |
|---|---|---|
| Giá khởi điểm | 59,99 đô la/năm | Miễn phí mãi mãi! |
| Gói miễn phí | ❌ (200MB/day with a suite) | ✅ Up to 100 devices |
| Hides IP From Websites | ✅ | ❌ (only via exit node) |
| Device-to-Device Mesh | ❌ | ✅ |
| Trình chặn quảng cáo tích hợp sẵn | ✅ | ❌ |
| Hỗ trợ Linux | ❌ | ✅ |
| Mở khóa phát trực tuyến | Giới hạn | ❌ |
| Mã hóa | AES-256 | WireGuard |
| Tốt nhất cho | Private browsing | Truy cập từ xa vào thiết bị của bạn |
1. Network Design
Bitdefender 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.

Vảy đuôi: 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.

⚠️ Cảnh báo: These aren’t direct rivals. Bitdefender protects your browsing. Tailscale connects machines you already own.
2. Mã hóa và Giao thức
Bitdefender 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.
Vảy đuôi: 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. Quyền riêng tư và ghi nhật ký
Bitdefender 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.
Vảy đuôi: 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
Bitdefender 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.

Vảy đuôi: 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
Bitdefender 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 Úc. It’s slower than NordVPN and ExpressVPN.
Vảy đuôi: 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
Bitdefender VPN: Bitdefender doesn’t offer remote access to your own devices. It secures outbound traffic. It doesn’t link machines together.
Vảy đuôi: 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.

💡 Mẹo hay: 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
Bitdefender 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.
Vảy đuôi: 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.
⚠️ Cảnh báo: If streaming is your main goal, neither tool is a strong pick. A dedicated streaming VPN will serve you better.
8. Hỗ trợ thiết bị và nền tảng
Bitdefender 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.

Vảy đuôi: 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. Dễ sử dụng và hỗ trợ
Bitdefender 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.
Vảy đuôi: 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. Giá cả và chi phí
Hãy cùng so sánh các gói giá cạnh nhau.
| Kế hoạch | Bitdefender VPN | Cân đuôi |
|---|---|---|
| Miễn phí | 200MB/day with a security suite | Personal: $0 Free Forever |
| Đã trả phí vào cửa | Tổng chi phí bảo mật: 59,99 USD/năm | Gói Personal Plus: 5 đô la/tháng |
| Hạng trung | Bảo mật cao cấp: 79,99 USD/năm | — |
| Tầng trên | Bảo mật tối ưu: 89,99 USD/năm | — |
| Hạng cao nhất | Gói bảo mật tối ưu Ultimate Security Plus: 119,99 USD/năm | — |
Bitdefender 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.
Vảy đuôi: Most people never pay anything. The free plan covers 100 devices. Personal Plus suits groups that need more users.
Các kịch bản khác nhau
| Nếu bạn cần… | Chọn | Tại sao |
|---|---|---|
| Ngân sách eo hẹp | Cân đuôi | Free plan covers 100 devices |
| Hide your IP on public Wi-Fi | Bitdefender VPN | Routes traffic through VPN servers |
| Access a home or office computer | Cân đuôi | Built for remote access |
| Antivirus plus VPN | Bitdefender VPN | One security bundle |
| Linux or Apple TV | Cân đuôi | Hỗ trợ nền tảng rộng hơn |
| Thiết lập thân thiện với người mới bắt đầu | Cà vạt | Both apps are simple |
💰 Ngân sách của bạn
Tailscale costs nothing for most personal setups. Bitdefender only makes financial sense if you also want antivirus.
🔌 Bộ công nghệ của bạn
Running Linux servers or cloud machines? Tailscale fits right in. Bitdefender stops at four platforms.
🎯 Mục tiêu chính của bạn
Want online security while browsing? Pick Bitdefender. Want to reach your own devices anywhere? Pick Tailscale.
🎓 Trình độ kinh nghiệm của bạn
Bitdefender is one tap and done. Tailscale is easy too, but advanced features like ACLs take some learning.
🆓 Dùng thử và bản demo miễn phí
Tailscale’s free plan lets you test everything first. Bitdefender offers a 7-day trial and a 30-day refund window.
🛟 Các tùy chọn hỗ trợ
Bitdefender offers 24/7 chat and phone help. Tailscale’s free tier gets email support during business hours only.
Hướng dẫn chuyển đổi
Bạn đã sử dụng một trong những công cụ này rồi? Dưới đây là những điều bạn cần biết nếu chuyển sang sử dụng công cụ khác.
🔄 Switching from Bitdefender VPN to Tailscale?
✅ Những lợi ích bạn sẽ nhận được:
- Direct access to your own devices from anywhere
- Linux, Apple TV, and cloud server support
- A free plan for up to 100 devices
❌ Những gì bạn sẽ mất:
- IP masking through commercial VPN servers
- Bundled antivirus, ad blocker, and anti-tracker
- Hỗ trợ qua điện thoại và trò chuyện trực tuyến 24/7
📋 Cách chuyển đổi:
- 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?
✅ Những lợi ích bạn sẽ nhận được:
- Hidden IP address on every site you visit
- Hơn 4.000 máy chủ tại 54 quốc gia
- Kill switch and public Wi-Fi protection
❌ Những gì bạn sẽ mất:
- Peer-to-peer mesh between your devices
- Subnet routers, exit nodes, and MagicDNS
- Kiểm soát truy cập dựa trên danh tính
📋 Cách chuyển đổi:
- 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
Những điều mà bài đánh giá của chúng tôi chưa đề cập
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.
Phán quyết cuối cùng
| Loại | Người thắng |
|---|---|
| 💰 Giá cả | Cân đuôi |
| 🔒 Privacy From Websites | Bitdefender VPN |
| 🖥️ Remote Access | Cân đuôi |
| ⚡ Tốc độ | Cân đuôi |
| 🔌 Hỗ trợ thiết bị | Cân đuôi |
| 👶 Dễ sử dụng | Bitdefender VPN |
| 🛟 Hỗ trợ khách hàng | Bitdefender VPN |
| 🏆 Người chiến thắng chung cuộc | Cân đuôi |
🏆 WINNER: TAILSCALE
Tailscale wins 4 out of 7 categories.
Phù hợp nhất cho: 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.
So sánh thêm về Bitdefender VPN
Here’s how Bitdefender VPN holds up against other VPN providers:
So sánh Bitdefender VPN và NordVPN
Bitdefender VPN chiến thắng ở các điểm sau: antivirus in the same bundle, a simpler one-tap app, phone support for account issues
NordVPN thắng điểm ở các khía cạnh sau: higher raw speeds, Linux and router apps, independently audited no-logs claims
So sánh Bitdefender VPN và ExpressVPN
Bitdefender VPN chiến thắng ở các điểm sau: cheaper suite pricing, an ad blocker bundled in, 10 devices per license
ExpressVPN thắng thế ở các điểm sau: works in China, router support, faster long-distance connections
Bitdefender VPN so với CyberGhost
Bitdefender VPN chiến thắng ở các điểm sau: bundled threat protection, phone support, identity tools in upper plans
CyberGhost thắng nhờ: dedicated streaming servers, a Linux app, a longer refund window
So sánh thêm về Tailscale
Here’s how Tailscale holds up against other VPN services:
Quy mô đuôi so với ProtonVPN
Tailscale thắng thế nhờ: direct device-to-device links, identity-based ACLs, subnet routing for printers and servers
ProtonVPN thắng thế ở các điểm sau: hides your IP by default, streaming access, Secure Core multi-hop servers
So sánh Tailscale và SurfsharkVPN
Tailscale thắng thế nhờ: no central server bottleneck, SSO sign-in, free for up to 100 devices
SurfsharkVPN thắng điểm ở các khía cạnh sau: unlimited device connections, a built-in ad blocker, thousands of shared servers
Truy cập Internet quy mô nhỏ so với truy cập Internet riêng tư
Tailscale thắng thế nhờ: MagicDNS device names, easy cloud connectivity, no server list to manage
Truy cập Internet riêng tư thắng nhờ: large global server network, streaming unblocking, open-source app code
Câu hỏi thường gặp
Bitdefender VPN có đáng tin cậy không?
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 có miễn phí không?
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 khác với VPN thông thường ở điểm nào?
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 có ẩn địa chỉ IP của bạn không?
Not by default. Websites still see your real IP. Routing traffic through an exit node gives you that device’s IP instead.
Phần mềm Bitdefender VPN có làm chậm tốc độ internet không?
A little, like every VPN. The Catapult Hydra protocol keeps speeds decent. Expect bigger drops on distant servers, like Nhật Bản or Australia.













