BitdefenderのVPNはいくらですか？

Bundles run from $59.99/yr to $119.99/yr in our pricing database. The standalone Premium VPN is listed at $6.99/month or $39.99 for the first year.

Bitdefender VPNをオンにするべきでしょうか？

Yes, especially on public Wi-Fi in cafes, hotels, or airports. It encrypts your internet traffic and hides your IP address from people on the same network.

Bitdefender VPNとWeb保護の違いは何ですか？

Web protection blocks dangerous sites and downloads. The VPN encrypts your connection and hides your IP address. They work together but solve different problems.

BitdefenderはVPNと連携できますか？

Yes. Bitdefender antivirus runs alongside its own VPN and most third-party VPNs. If a connection fails, check the firewall settings for the other VPN app.

BitdefenderでVPNを有効にするにはどうすればよいですか？

Open the Bitdefender VPN app or the Privacy section of your security app. Sign in with your Bitdefender Central account, then tap Connect.

Bitdefender VPNは良いサービスですか？

It's good for beginners who want simple privacy on Windows, macOS, Android, and iOS. It's weaker on Linux, routers, distant servers, and some streaming services.

BitdefenderにはVPN機能が内蔵されていますか？

Yes. Bitdefender security suites include a VPN. Lower tiers limit it to 200MB per day, while higher tiers include unlimited VPN traffic.

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. Nearby servers stay quick thanks to the Catapult Hydra protocol. Distant servers in Japan or Australia show bigger slowdowns.

Bitdefender VPNは何をするものですか？

It encrypts your connection, hides your IP address, and protects you on public Wi-Fi. It also blocks ads and trackers and helps you reach geo-restricted content.

Bitdefender VPNに接続すべきでしょうか？

Connect whenever you use public or untrusted Wi-Fi. You can also connect to reach content from other regions or to keep your browsing private at home.

BitdefenderのVPNは無料ですか？

Only in a limited form. Bitdefender security packages include a VPN capped at 200MB per day. Unlimited use requires a paid VPN plan or higher bundle.

Bitdefenderは本当に無料ですか？

Bitdefender's free antivirus was genuinely free with no payment needed. It offered basic malware scanning without the VPN, firewall, or other paid extras.

Bitdefenderの無料版が廃止されたのはなぜですか？

Bitdefender retired its free antivirus to focus on paid suites and a newer free scanner. Check Bitdefender's site for the current free options in your region.

Bitdefender VPNは使う価値があるのか？

It's worth it if you already want Bitdefender antivirus. If you only need a VPN, specialist providers offer faster speeds and wider device support.

Bitdefender VPNは有料ですか？

For unlimited use, yes. The free version bundled with Bitdefender security is capped at 200MB of traffic per day.

Bitdefender Premium VPNは無制限ですか？

Yes. The Premium VPN removes the daily data cap and lets you pick server locations. It covers up to 10 devices at once.

Bitdefender Premium VPNにはどのような機能がありますか？

It gives you unlimited encrypted traffic, a kill switch, split tunneling, and an ad blocker. You can choose from 4,000+ servers in 54 countries.

Bitdefender VPNのデメリットは何ですか？

It lacks Linux, router, Apple TV, and Fire TV support. It doesn't work in China, has a vague privacy policy, and slows down on distant servers.

Bitdefenderの無料VPNの使い方は？

Install a Bitdefender security package, open the VPN section, and tap Connect. The free tier picks a server for you and stops at 200MB per day.

Bitdefender VPNの制限事項は何ですか？

The free version is capped at 200MB daily. Paid users still face limited device support, no obfuscation, and mixed streaming results.

Bitdefender VPNの月額料金はいくらですか？

Our research lists the standalone Premium VPN at $6.99 per month. The annual plan works out to about $3.33 per month for the first year.

Bitdefender VPNはどのような場合に使うべきですか？

Use it on public Wi-Fi, while traveling, or when you want to hide your browsing from your internet provider. It also helps with region-locked content.

Bitdefender VPNはExpressVPNと同じくらい優れていますか？

Not quite. ExpressVPN is faster, supports routers, and works in China. Bitdefender costs less and bundles antivirus protection.

OpenVPNは実際のVPNと言えるのか？

It's a VPN protocol and software, not a consumer service with its own servers. You use it to build a VPN or connect to one.

OpenVPNはNordVPNより優れているのか？

They do different jobs. OpenVPN is a protocol you can self-host. NordVPN is a ready-made service that supports the OpenVPN protocol.

OpenVPNは無料で利用できますか？

Yes. You can download and use the Community Edition at no cost. Paid plans only matter for managed business features.

NordVPNはOpenVPNより優れていますか？

For everyday users, NordVPN is easier because it includes servers and apps. For self-hosted control, OpenVPN is the better fit.

OpenVPNは無料のVPNですか？

The software is free, but it has no public server network. You need your own server or an OpenVPN compatible service.

OpenVPNをVPNとして使用するにはどうすればよいですか？

Install an OpenVPN client, import a .ovpn configuration file from your server or provider, and connect. The file holds the server address and keys.

OpenVPNは無料で安全ですか？

Yes on both counts. The Community Edition is free, and its open source code uses SSL/TLS encryption. Safety depends on a careful configuration.

OpenVPNに接続するにはどうすればよいですか？

Open OpenVPN Connect, import your .ovpn profile or enter your Access Server URL, sign in, and tap Connect.

OpenVPN Connectは何のために使用されるのですか？

OpenVPN Connect is the official client app. It imports .ovpn profiles and connects your device to an OpenVPN server or Access Server.

OpenVPNアクセスサーバーに接続するにはどうすればよいですか？

Visit your Access Server's web address, sign in, and download the profile or app. Then import it into OpenVPN Connect and connect.

OpenVPNクライアントとは何ですか？

It's the software on your device that talks to an OpenVPN server. Examples include OpenVPN Connect and the OpenVPN GUI for Windows.

OpenVPNクライアントは無料ですか？

Yes. OpenVPN Connect and the community client software are free to download on Windows, macOS, Linux, Android, and iOS.

OpenVPNクライアントに接続するにはどうすればよいですか？

Install the client, add your .ovpn configuration file, then select the profile and connect. Your server admin usually provides the file.

OpenVPNクライアントのインストール方法

Download OpenVPN Connect from the official site or your app store. Run the installer, then import a .ovpn profile to finish setup.

OpenVPNは何をするものですか？

It creates an encrypted tunnel between your device and a server. That protects your data traffic and hides it from your internet service provider.

OpenVPN技術とは何ですか？

They include the open source protocol, OpenVPN Connect, Access Server for self-hosting, and a cloud service for managed business networks.

OpenVPN Technologies Inc.は安全ですか？

Yes. It's the established company behind the protocol, and its open source code is publicly reviewed. Its business products serve many organizations.

OpenVPN は完全に無料ですか?

The Community Edition is. Business plans are free for up to 3 connections, then Growth costs $7/month and Enterprise is custom priced.

OpenVPNとは何ですか？また、どのように動作するのですか？

OpenVPN is an open source VPN protocol. It uses SSL/TLS to authenticate both sides, then encrypts traffic over TCP or UDP.

OpenVPNの仕組みは何ですか？

It authenticates with certificates or credentials, builds a tunnel, then wraps each packet in encryption. It runs over TCP for reliability or UDP for speed.

Bitdefender VPN vs OpenVPN: One Clear Winner (2026)

Name: Bitdefender VPN vs OpenVPN: OpenVPN wins for control and value
Rating: 4.3
Author: ファヒム・ジョハルダー

執筆者ファヒム・ジョハルダー | Last updated Sep 20, 2026

勝者

4.3

無料コミュニティ版
Open Source Code You Can 監査
TCP & UDP Transport Modes
Windows, macOS, Linux, アンドロイド, iOS
Remote Access & Site-to-Site
Perfect Forward Secrecy
有料プランは月額7ドルから

今すぐ試す

準優勝

3.8

同時接続10件
54か国に4,000台以上のサーバーを設置
Automatic Kill Switch
広告ブロッカー＆アンチトラッカー
カタパルト・ハイドラ・プロトコル
30日間返金保証
プランは年間59.99ドルから

今すぐ試す

⚡ 簡単な評価:

価格: OpenVPN has a Free $0 plan and Growth at $7/month. Bitdefender VPN bundles start at $59.99/yr.
最適な用途: OpenVPN for secure remote access and self-hosting. Bitdefender VPN for one-tap everyday privacy.
主な違い： Bitdefender is a ready-made VPN service. OpenVPN is an open source protocol with 仕事ツール。
私たちのおすすめ： OpenVPN for most readers. It’s free, open, and runs on far more platforms.

Here’s a twist most buyers miss.

Bitdefender VPN actually supports the OpenVPN protocol inside its own app.

So this isn’t a simple fight between two VPN services.

Bitdefender Premium VPN is a ready-made app for everyday online privacy.

OpenVPN is an open source tunneling protocol with its own 仕事製品。

The right pick depends on one thing: one tap or full control?

概要

This Bitdefender VPN vs OpenVPN comparison covers pricing, 安全, privacy, speed, and ease of use.

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。

Those observations appear in the “What Our Team Noticed” sections below.

最後には、どれがあなたのニーズに合っているかが分かるでしょう。

OpenVPNを無料でお試しください

Bitdefender VPN とは何ですか?

Bitdefender VPN is a virtual private network from Romanian security company Bitdefender.

It hides your IP addresses and encrypts your internet traffic.

It runs on Hotspot Shield’s Catapult Hydra protocol for fast connections.

It also supports WireGuard and OpenVPN for stable sessions.

Bitdefender isn’t focused only on providing VPN services, though.

The VPN fits best for people already using Bitdefender’s products.

Watch this short review for a closer look at the app.

ビットディフェンダーVPN

⭐ 3.8/5 | 💰 From $59.99/yr

Simple online privacy inside a trusted security suite. Connect up to 10 デバイス with a kill switch and ad blocker built in.

今すぐビットディフェンダーVPNをお試しください →

レビュー全文を読む →

ビットディフェンダーVPNチュートリアル →

Bitdefender VPNの価格設定

Bitdefender sells its VPN inside security bundles. Here’s what each plan costs.

プラン	価格	最適な用途
Bitdefender Total Security	年間59.99ドル	Antivirus plus a limited VPN
Bitdefender Premium Security	年間79.99ドル	Unlimited VPN with full protection
Bitdefender Ultimate Security	年間89.99ドル	Adding identity protection
Bitdefender Ultimate Security Plus	年間119.99ドル	Users who want the top tier

Pricing verified September 2026.

無料トライアル: There’s no free plan. A limited free version comes with an active Bitdefender security package. It’s capped at 200MB of daily traffic.

返金保証: 30 days on both monthly and annual plans.

📌 注記： You can pay by credit card, debit card, or PayPal. 暗号 isn’t accepted. Our full review also lists bank transfer for some business purchases.

⚠️ 警告： Our research lists a standalone Bitdefender Premium VPN at $6.99/month. The annual plan is $39.99 for the first year, about $3.33/month. Those prices differ from the bundle prices above, which come from our pricing database. Check checkout before you pay, since renewals cost more.

今すぐBitdefenderを試す

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。

One-Tap Protection: The app is clean and easy for beginners. You can set it to automatically connect on unsecured networks.
公共Wi-Fiの安全性： It secures your connection in cafes and airports. That keeps online threats away from your browsing history.
広告ブロッカーとアンチトラッカー： It blocks intrusive ads and harmful websites. Fewer targeted ads follow you around.
同時接続数：10 One license covers up to 10 devices at once. Your phone, laptop, and tablet share one plan.
Kill Switch and Split Tunneling: The kill switch cuts traffic if the VPN connection drops. Split tunneling lets certain websites skip the VPN tunnel.
P2P Friendly: File sharing is allowed on all servers. You don’t need to hunt for special ones.
Romanian Base: The company sits outside the 5 Eyes alliance. That limits some data-sharing pressure.

今すぐBitdefenderを試す

私たちのチームが気づいたこと

私たちの作家 used Bitdefender VPN on everyday laptops and phones. Here’s what stood out from that hands-on time:

Bitdefender VPNのメリットとデメリット

✅ メリット

Clean app that beginners can use in minutes
AES-256 encryption with an automatic kill switch
広告ブロッカーとトラッカー対策機能を内蔵
Covers up to 10 devices on one license

❌ デメリット

No Linux, router, Apple TV, or Fire TV support
Vague privacy policy and third-party infrastructure
Slower on distant servers like 日本 and Australia
No obfuscation, so it doesn’t work in China

今すぐBitdefenderを試す

OpenVPN とは何ですか?

OpenVPN is an open source VPN protocol first created in 2001.

It builds a secure tunnel for データ traffic between an OpenVPN client and server.

It uses Secure Sockets Layer and TLS to set up that tunnel.

The OpenVPN company, OpenVPN Technologies, also sells Access Server and cloud plans.

Most VPN providers use it inside their apps, including サーフシャークそして ExpressVPN。

It powers countless virtual private networks around the world.

This short review video walks through how it works.

オープンVPN

⭐ 4.3/5 | 💰 Free plan, Growth $7/month

Open source security you can control. Start free, then scale to remote access and site-to-site networks for your team.

今すぐOpenVPNを試してみよう →

レビュー全文を読む →

OpenVPNチュートリアル →

OpenVPNの価格設定

OpenVPN’s paid plans cover its business products. Here’s the breakdown.

プラン	価格	最適な用途
無料	$0	Small teams with up to 3 connections
成長	月額7ドル	Growing teams that need more connections
企業	カスタム	Large organizations with complex networks

Pricing verified September 2026.

無料トライアル: Yes. Our full review notes a 14-day trial on paid plans. The free plan covers up to 3 connections.

返金保証: No formal guarantee. You can cancel anytime, and unused funds stay as account credit.

📌 注記： The OpenVPN Community Edition is free software for creating VPN tunnels. The prices above apply to Access Server and cloud plans.

⚠️ 警告： Growth pricing is charged per connection. Costs climb quickly as your team grows.

OpenVPNを無料でお試しください

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 inspect the code. A global community spots bugs and pushes rapid updates.
Flexible Encryption: The OpenSSL library opens up many encryption protocols and key lengths. You can build a custom security protocol for your network.
TCP or UDP: OpenVPN TCP delivers every packet in order. OpenVPN UDP trades some reliability for speed.
Firewall Friendly: It traverses firewalls and NAT gateways better than many other VPN protocols. Strict networks rarely stop it.
完全な前方秘匿性： One stolen key can’t unlock your past sessions. Your sensitive data stays safer after a breach.
あなたに合わせて拡張可能： It handles single remote access and full site-to-site links. It supports both IPv4 and IPv6 traffic.

OpenVPNを無料でお試しください

私たちのチームが気づいたこと

Our writer set up OpenVPN for real remote access work. Here’s what stood out from that hands-on time:

OpenVPNのメリットとデメリット

✅ メリット

Free Community Edition with no monthly fee
Open source code that anyone can audit
Runs on Windows, macOS, Linux, Android, and iOS
Handles firewalls and NAT gateways well

❌ デメリット

WireGuardのような新しいプロトコルよりも遅い
手動設定は初心者には複雑になる可能性がある
Less user-friendly on mobile devices

OpenVPNを無料でお試しください

機能比較

Ready to see how Bitdefender VPN vs OpenVPN stacks up? We’ll walk through 10 key areas, from security to price.

特徴	ビットディフェンダーVPN	オープンVPN
開始価格	年間59.99ドル（バンドル価格）	0ドル（無料プラン）
無料プラン	❌ (200MB/day with a security suite)	✅
オープンソース	❌	✅
内蔵広告ブロッカー	✅	❌
キルスイッチ	✅	Depends on your client
Linuxサポート	❌	✅
ルーターのサポート	❌	✅
セルフホスト型サーバー	❌	✅
Ready-Made Server Network	✅ 4,000+ servers	❌
最適な用途	Beginners and Bitdefender users	IT teams and tech-savvy users

1. セキュリティと暗号化

ビットディフェンダーVPN: It uses AES-256 encryption on every connection. An automatic kill switch blocks traffic if the VPN drops. Some reviews report inconsistent leak protection, so run a leak test.

Bitdefenderレビュー｜Bitdefenderは今年、あなたのデバイスを安全に保つことができるのか？

オープンVPN: It supports AES, Blowfish, and other encryption algorithms. For authentication OpenVPN uses credentials and digital certificates through public key infrastructure. A hash message authentication code check adds tls auth protection. The HMAC firewall rejects forged packets.

⚠️ 警告： OpenVPN offers better security than most VPN protocols only when set up well. Weak encryption keys or old ciphers undo that advantage.

2. VPN Protocols & Speed

ビットディフェンダーVPN: The Catapult Hydra protocol is built for quick connection times. It also offers WireGuard and the OpenVPN protocol. Download speeds hold up on a nearby UK server. Ping times rise on distant servers in Japan and オーストラリア. It also trails specialist providers like NordVPN and エクスプレスVPN.

オープンVPN: Here’s how OpenVPN works under the hood. The TCP transmission control protocol mode is reliable but slower. The UDP user datagram protocol mode is faster, so the UDP protocol suits streaming. Overall, it’s slower than newer tunneling protocols like WireGuard.

3. Privacy & Logging

ビットディフェンダーVPN: Bitdefender says it keeps no traffic logs or browsing history. It does log some technical data for fraud prevention. That includes randomly generated tokens, hashed user data, and user and device IDs. Its policy names a data processor that processes data on Bitdefender’s instructions. Critics call the wording vague.

Bitdefender Digital Identity Protectionはあなたの個人情報を安全に保ちます

オープンVPN: There’s no consumer server network, so no provider logs to trust. When you host your own OpenVPN server, you decide what gets recorded. Your internet service provider sees encrypted traffic, and your online activities stay hidden.

⚠️ 警告： Bitdefender VPN relies on third-party infrastructure. Privacy-first users should read its policy closely.

4. Threat Protection & Ad Blocking

ビットディフェンダーVPN: The ad blocker and anti-tracker stop intrusive ads and trackers. The app filters harmful websites and sends desktop notifications. These additional features make it more than a plain VPN.

オープンVPN: The core OpenVPN software has no ad blocker. Its cloud plans add DNS security and content filtering for teams. Home users usually pair it with a separate blocker.

CloudConnexa（旧OpenVPN Cloud）によるDNSセキュリティと保護

5. ストリーミングおよび地域制限コンテンツ

ビットディフェンダーVPN: It helps you reach geo restricted content like BBC iPlayer. Results for US Netflix, Amazon Prime Video, and Disney+ are mixed across sources. There are no dedicated streaming servers, but P2P sharing works everywhere.

オープンVPN: It has no streaming servers of its own. Streaming only works through an OpenVPN compatible service with servers in the right country. サイバーゴースト, for example, lets you switch to OpenVPN in a few clicks.

💡 プロのヒント: Sources disagree on Bitdefender’s Netflix and Disney+ access. Use the 30-day refund window to test your favorite services.

6. Devices & Operating Systems

ビットディフェンダーVPN: It only supports Windows, macOS, Android, and iOS. There’s no Linux app, router setup, Apple TV, or Fire TV Stick support. The mobile apps and desktop app share a clean design.

オープンVPN: It runs on Windows, macOS, Linux, Android, and iOS. It even works on lesser-known operating systems like Tomato and Solaris. OpenVPN Connect and the OpenVPN GUI are the most common client software.

7. Remote Access & Business Use

ビットディフェンダーVPN: It’s built for personal privacy, not company networks. You can’t host your own VPN server or link office private networks. Businesses get more from Bitdefender’s separate security platform.

オープンVPN: This is where OpenVPN shines. It’s widely used for remote access to secure company networks. The OpenVPN Access Server adds a web dashboard for managing VPN clients and internet access. Teams can link OpenVPN servers across offices with site-to-site VPN tunnels.

8. 使いやすさ

ビットディフェンダーVPN: Open the app, tap connect, and you’re protected in a few seconds. A server list and favorites system help you find server locations fast. Keep the app on the latest version for the best stability.

オープンVPN: To install OpenVPN manually, you edit .ovpn configuration files and manage encryption keys. That manual configuration takes time for beginners. Once set up, OpenVPN connections stay stable. Still, most VPN users pick a provider with it preconfigured.

💡 プロのヒント: プライベートインターネットアクセス lets you pick your OpenVPN encryption level in its app. It’s an easy middle ground.

9. カスタマーサポート

ビットディフェンダーVPN: You get 24/7 live chat, email, and phone support. Phone numbers vary by country, and email replies may take half an hour. The general support team covers every Bitdefender product, so VPN answers aren’t always specialized.

VPNが実際にインターネット速度を向上させる方法 - Bitdefender Cyberpedia

オープンVPN: Free help lives in community docs, a wiki, and a forum. Paid business plans add direct help. Self-hosters mostly troubleshoot on their own.

ゼロトラストSaaSアプリケーションアクセス（OpenVPNクラウド）を始めましょう

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	オープンVPN
無料	❌ 無料プランはありません	無料：0ドル
エントリ	Bitdefender Total Security: $59.99/yr	Growth: $7/month
中	Bitdefender Premium Security: $79.99/yr	—
アッパー	Bitdefender Ultimate Security: $89.99/yr	—
トップ	Bitdefender Ultimate Security Plus: $119.99/yr	エンタープライズ：カスタム

ビットディフェンダーVPN: You pay for a full security suite, not just a VPN. That’s good value if you need antivirus too. It feels pricey if you only want a premium VPN.

オープンVPN: The free plan and Community Edition cost nothing. Growth adds per-connection pricing for bigger teams. Enterprise buyers need a custom quote.

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	オープンVPN	無料コミュニティ版
One-tap privacy	ビットディフェンダーVPN	Connects in seconds
Company remote access	オープンVPN	Access Server and site-to-site links
Linux or routers	オープンVPN	Broad platform support
Fewer ads and trackers	ビットディフェンダーVPN	内蔵広告ブロッカー
初心者向けのセットアップ	ビットディフェンダーVPN	No config files needed

💰 あなたの予算

OpenVPN costs nothing if you can set it up yourself. Bitdefender makes sense if you’d pay for antivirus anyway.

🔌 あなたの技術スタック

Linux, routers, or office servers point to OpenVPN. Windows, macOS, Android, and iOS users can pick either.

🔒 あなたのプライバシーのニーズ

OpenVPN lets you own the whole connection and its logs. Bitdefender asks you to trust its policy and partners.

🎓 あなたの経験レベル

Beginners get online faster with Bitdefender. Tech-savvy users will enjoy OpenVPN’s advanced features.

🆓 無料トライアルとデモ

Bitdefender gives you a 30-day refund window. OpenVPN’s free plan lets you test with up to 3 connections.

🛟 サポートオプション

Bitdefender offers live chat and phone support around the clock. OpenVPN leans on docs and forums unless you pay.

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 OpenVPN?

✅ 得られるもの：

独自のVPNサーバーを完全に制御できます
Linuxとルーターのサポート
Free open source software

❌ 失うもの：

A one-tap app with a ready server network
The built-in 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：

Cancel auto-renewal in your Bitdefender Central account.
Install OpenVPN Connect or set up Access Server.
Import your .ovpn file and connect.

🔄 Switching from OpenVPN to Bitdefender VPN?

✅ 得られるもの：

Setup in minutes with no config files
4,000+ ready servers in 54 countries
An ad blocker and anti-tracker

❌ 失うもの：

Self-hosted privacy control
Linuxとルーターのサポート
サイト間ネットワーク

📋切り替え方法：

Back up your .ovpn files and settings.
Buy a Bitdefender plan with unlimited VPN.
Install the app on the same number of devices you used before.

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 individual users and small teams. We didn’t evaluate OpenVPN’s Enterprise plan, large site-to-site rollouts, or Bitdefender’s business suite. Streaming access changes often, and our notes reflect September 2026 versions.

最終評決

カテゴリ	勝者
💰価格	オープンVPN
🔒 セキュリティと暗号化	オープンVPN
🕵️ Privacy Control	オープンVPN
💻 デバイスサポート	オープンVPN
🏢 リモートアクセス	オープンVPN
👶 使いやすさ	ビットディフェンダーVPN
📺 ストリーミング配信	ビットディフェンダーVPN
🛡️ 追加機能	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	オープンVPN

🏆 WINNER: OPENVPN

OpenVPN wins 5 out of 9 categories.

最適な用途: Secure remote access, self-hosted privacy, tech-savvy users

Bitdefender VPN and OpenVPN solve different problems. Bitdefender is a ready-made VPN service for online security on everyday devices. OpenVPN is a toolkit for building your own secure connections.

Bitdefender is the better fit for beginners who want protection in a few taps. Its ad blocker, kill switch, and 10 device slots make daily browsing easy.

Want control, free software, and wider platform support? Pick the open source OpenVPN protocol. That’s why it takes our top spot.

OpenVPNを無料でお試しください

Bitdefender VPNの比較

Bitdefender VPNが他の競合製品と比べてどうなのか、以下に示します。

Bitdefender VPN vs NordVPN

Bitdefender VPNが優れている点： bundled antivirus, a built-in anti-tracker, and a simpler app for first-timers

NordVPNが優れている点： faster download speeds, Linux and router apps, and stronger streaming results

Bitdefender VPNとExpressVPNの比較

Bitdefender VPNが優れている点： a lower price, security suite bundles, and an ad blocker included

ExpressVPNが優れている点： access inside China, router setups, and wider streaming reach

Bitdefender VPN vs ProtonVPN

Bitdefender VPNが優れている点： quicker setup, round-the-clock phone help, and antivirus bundle value

プロトンVPN 勝利したタイトル： an audited no-logs policy, open source apps, and Linux support

今すぐBitdefenderを試す

OpenVPNの比較についてさらに詳しく

OpenVPNが他の競合製品と比べてどうなのか、以下に示します。

OpenVPN vs Surfshark

OpenVPNが優れている点： self-hosted control, a free Community Edition, and site-to-site networking

Surfsharkが勝利した点： two-click setup, a ready global server network, and a built-in ad blocker

OpenVPN vs CyberGhost

OpenVPNが優れている点： auditable code, support for Solaris and Tomato, and business access tools

CyberGhostが勝利した点： streaming-focused servers, a beginner interface, and a one-click OpenVPN switch

OpenVPN vs ピュアVPN

OpenVPNが優れている点： no provider logs to trust, flexible ciphers, and free use for small teams

PureVPNが優れている点： polished consumer apps, a built-in kill switch, and ready servers worldwide

OpenVPNを無料でお試しください

よくある質問

Bitdefender VPNは信頼できるのか？

Mostly, for everyday privacy. It uses AES-256 encryption, a kill switch, and a no-logs policy. Its privacy policy is vague, though, and it relies on third-party infrastructure.

Bitdefender VPNの年間料金はいくらですか？

Our pricing database lists bundles from $59.99/yr to $119.99/yr. The standalone Premium VPN is listed at $39.99 for the first year.

OpenVPN は無料ですか?

Yes. The Community Edition is free open source software. Business plans start free. Growth costs $7/month, and Enterprise uses custom pricing.

OpenVPNは安全に使用できますか？

Yes, when configured well. It uses SSL/TLS, strong encryption ciphers, and Perfect Forward Secrecy. Weak keys or outdated settings can reduce that protection.

VPNとOpenVPNの違いは何ですか？

A VPN is the private, encrypted connection itself. OpenVPN is one protocol used to build it. Many VPN services, including Bitdefender, offer it inside their apps.