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PIA VPN

PIA VPN レビュー

Open-source VPN privacy across a 91-country NextGen network

著者 Ciroapp Editorial Team · 更新日 2026年9月16日

追加費用なしでコミッションが発生する場合があります

PIA VPNのホームページスクリーンショット

概要

PIA VPNの評価、価格概要、主な機能、注目ポイントをすばやく確認できます。
ベンダーページ確認日 2026年10月12日

Ciroappスコア

3.5/ 5

PIA VPN brings open-source apps, WireGuard and OpenVPN support, and a 91-country server network, but it's US-based and its listed pricing details are too vague to rely on. Overall, it's a solid privacy pick for travelers and multi-device households, as long as you confirm current prices and device limits on the official site.

長所

  • 長所:Apps are open-source, allowing independent inspection of how connections are handled
  • 長所:Supports both WireGuard and OpenVPN, covering speed and configurability
  • 長所:NextGen server network spans 91 countries, making it easy to find a nearby fast server

短所

  • 短所:Operates from the United States, which some privacy-focused users view as a drawback due to intelligence-sharing alliances
  • 短所:Short-term plans are typically much more expensive per month than long-term commitments, so budget buyers should compare terms before subscribing
  • 短所:The open-source clients prioritize function and configuration depth over polish, so some useful options sit in advanced menus rather than the main screen
最適
  • Privacy-conscious individuals who want open-source clients they can verify rather than closed, black-box software
  • Frequent travelers who rely on hotel, airport, and café Wi-Fi and need consistent encryption across unfamiliar networks
  • Multi-device households that want one subscription covering laptops, phones, and tablets
このセクションは概要です。機能、ユースケース、価格、レビューの詳細は下に続きます。

PIA VPNとは?

PIA VPN (Private Internet Access) is a privacy-focused VPN service that shields your digital identity by routing internet traffic through private servers and masking your IP address. Its apps are open-source, its connections run on trusted protocols like WireGuard and OpenVPN, and its NextGen server network spans 91 countries. The result is a service aimed at people who want their online activity to be harder to trace and safer on untrusted networks, across all the devices they use daily.

PIA VPN is a consumer VPN service that sits between your devices and the internet. When you connect, your traffic is encrypted and funneled through one of PIA's private servers, so websites and networks see the server's IP rather than yours. The company emphasizes transparency, with open-source apps, and security, using established protocols such as WireGuard and OpenVPN.

Coverage comes from a NextGen server network across 91 countries, with support for multiple devices under one subscription.

PIA VPNを選ぶべきですか?

プラン比較や公式サイトへ進む前に確認したい購入判断のポイントです。

選ぶべき人

  • Privacy-conscious individuals who want open-source clients they can verify rather than closed, black-box software
  • Frequent travelers who rely on hotel, airport, and café Wi-Fi and need consistent encryption across unfamiliar networks
  • Multi-device households that want one subscription covering laptops, phones, and tablets
  • Technical users who want to choose between WireGuard and OpenVPN and tune their connection settings

避けるべき人

  • Users who require a VPN provider headquartered outside the United States and outside intelligence-sharing jurisdictions
  • Organizations that need centralized enterprise management, admin dashboards, or dedicated account support rather than a consumer VPN
  • Buyers who want the lowest possible month-to-month price, since short-term plans typically cost more per month than longer commitments

購入前の次のステップ

  1. 1Visit privateinternetaccess.com and review the current subscription options on the pricing page, comparing monthly and yearly terms before committing
  2. 2Create an account, then download the open-source PIA app for each device and platform you use
  3. 3Sign in, select WireGuard for speed or OpenVPN for maximum configurability, and connect to the nearest server
  4. 4Enable auto-connect and launch-on-startup in the app settings so your devices are protected by default, then repeat the install on your remaining devices

PIA VPN 主な機能

✨ Open-Source Apps for Verifiable Privacy

PIA's applications are open-source, so the code that builds and manages your VPN connection can be inspected and audited by anyone rather than operating as a black box. That transparency makes it easier to verify how your traffic is handled and confirms that settings do what they claim. For users who care about verifiability, this is a meaningful differentiator from closed-source VPN clients.

✨ WireGuard and OpenVPN Protocol Support

The service runs on trusted, modern tunneling protocols: WireGuard for fast connections and quick handshakes, and OpenVPN for a long security track record and fine-grained configuration. You can switch between them depending on whether you prioritize throughput, stability on flaky networks, or compatibility in restrictive environments. Supporting both avoids locking you into a single protocol.

✨ NextGen Servers Across 91 Countries

PIA operates a global NextGen server network spanning 91 countries, giving you many options for finding a fast, nearby exit point or routing through a specific region. Broader geographic coverage generally means lower latency when connecting to nearby servers and more flexibility while traveling.

✨ Multi-Device Protection

One subscription covers multiple devices, so laptops, phones, and tablets can all route their traffic through PIA's private servers. That makes it practical for households or for individuals juggling personal and work devices without buying separate services.

✨ IP Masking and Encrypted Traffic

By routing internet traffic through private servers and masking your IP address, PIA prevents websites and networks from tying your activity directly to your home connection. Traffic is encrypted in transit, which matters most on shared networks such as cafés, airports, and hotels.

使用例

💡 Staying Safe on Public Wi-Fi

On café, hotel, or airport networks, traffic can be exposed to snooping by anyone sharing the connection. PIA encrypts your traffic and routes it through a private server, so the network operator sees only an encrypted tunnel to the VPN endpoint. It is a straightforward way to make untrusted hotspots usable for banking, email, and work.

💡 Reducing IP-Based Tracking at Home

Websites and online services commonly use IP addresses for profiling and location inference. By masking your IP behind a PIA server, you make it harder to tie browsing activity to your household connection. This suits people who want their everyday activity to be less attributable to them.

💡 Privacy While Traveling

Travelers move between unfamiliar networks where they have no visibility into logging practices. Connecting through PIA's 91-country network keeps traffic encrypted end to end and lets you route through a server near home or your destination as needed. That consistency keeps your accounts and tools working without reconfiguring each network you join.

💡 Everyday Multi-Device Household Privacy

Rather than configuring protection separately for each gadget, a single PIA account covers multiple devices, so the whole household shares one service. Phones on mobile data, laptops at home, and tablets on guest networks all benefit from the same encrypted tunnel. Family members don't need technical expertise to stay protected.

PIA VPNの料金

価格は未確認です — 公式サイトをご確認ください。

PIA VPNの料金ページ

PIA VPNの料金ページのスクリーンショット料金ページのスクリーンショットを見る

価格の推移

2026年10月1日から価格を追跡中。まだ価格変更はありません。

価格タイプ: Free plan, Free trial, Monthly subscription, Yearly subscription, Usage-based pricing

料金に関する補足

PIA VPN pricing: Billing options: Free plan, Free trial, Monthly subscription, Yearly subscription, Usage-based pricing

PIA VPNの価格が変わったらメールで通知

ベンダーの料金ページで価格の変更を検出したときに1通のメールを送ります。ニュースレターやセール情報はありません。ワンクリックで解除できます。

ユーザーレビュー

まだレビューがありません。

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PIA VPNを使う理由は?

Most everyday privacy risks come from exposed IP addresses and unencrypted traffic on networks you don't control. PIA VPN addresses both: it masks your IP so services can't easily tie activity to your home connection, and it encrypts traffic so operators of shared networks can't inspect it.

The open-source clients add a layer of verifiability that closed-source competitors can't match, and choosing between WireGuard and OpenVPN lets you balance speed against configurability. If you use public Wi-Fi often or simply want your household's devices to default to encrypted connections, those are concrete, practical reasons to use it.

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PIA VPN よくある質問

Does PIA VPN really use open-source apps?

Yes. PIA's applications are open-source, which means the code that builds and manages your VPN connection is publicly available for anyone to inspect. This lets independent reviewers verify how the app handles your traffic instead of relying solely on the company's claims.

Which VPN protocols does PIA support?

PIA supports WireGuard and OpenVPN. WireGuard is a modern protocol favored for fast connections and quick reconnections, especially on mobile networks, while OpenVPN has a long security track record and extensive configuration options. You can choose the protocol that best fits your network conditions.

How many countries does PIA's server network cover?

PIA runs its NextGen server network across 91 countries. That breadth makes it easier to find a low-latency server near you or to route your connection through a specific region while traveling.

Can I protect more than one device with a single subscription?

Yes. PIA is designed to secure multiple devices at once, so you can install the open-source app on your laptop, phone, and tablet under the same account. Check the official pricing page for the exact device allowance attached to the plan you choose.

How much does PIA VPN cost?

PIA sells monthly and yearly subscription options, and its pricing page also lists trial and refund options alongside them. Because promotional rates and terms change over time, check the official pricing page at privateinternetaccess.com/buy-vpn-online for current figures rather than relying on third-party listings.

PIA VPNを試してみる準備はできましたか?公式サイトまたは価格をご覧ください。

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