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料金バーチャル番号エンタープライズ比較ユースケースブログeSIM
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TwinPhoneTwinPhone

海外に電話する、いちばん格安な方法。暗号化されてシンプル、どんな回線でも使えます。アプリもSIMも契約も不要。

プロダクト

  • 料金
  • バーチャル番号
  • 2つ目の電話番号
  • エンタープライズ
  • 国番号
  • アプリ認証用の番号

ユースケース

  • ビジネス用の2つ目の番号
  • 旅行中の通話
  • 電話番号認証
  • オンラインデートのプライバシー
  • リモートワーク
  • オンライン販売
  • プライバシー通話
  • 海外留学
  • 海外在住者の通話
  • Skypeの代わり

リソース

  • ブログ
  • 比較
  • ヘルプセンター
  • ブラウザ通話のしくみ
  • 無料の国際電話
  • VoIP選びのガイド
  • Google Voiceの代わり
  • サポート電話番号
  • 国別の無料国際電話

会社情報

  • 会社について
  • お問い合わせ
  • プライバシーポリシー
  • 利用規約

人気の発信先

  • Angolaへの格安通話
  • バングラデシュへの格安通話
  • コロンビアへの格安通話
  • Dominican Republicへの格安通話
  • エジプトへの格安通話
  • エチオピアへの格安通話
  • ガーナへの格安通話
  • Guatemalaへの格安通話
  • Haitiへの格安通話
  • インドへの格安通話
  • ケニアへの格安通話
  • メキシコへの格安通話
  • モロッコへの格安通話
  • Nepalへの格安通話
  • ナイジェリアへの格安通話
  • パキスタンへの格安通話
  • フィリピンへの格安通話
  • ポーランドへの格安通話
  • ロシアへの格安通話
  • セネガルへの格安通話
  • Sri Lankaへの格安通話
  • トルコへの格安通話
  • ウクライナへの格安通話
  • Zimbabweへの格安通話
  • 145か国以上すべて → →

© 2026 TwinPhone. All rights reserved.

Twin-Phone - Listed on Startup FameTwin-Phone - Listed on FazierTwin-Phone - Listed on Smol Launch
プライバシー利用規約CookieImpressum不正利用の報告法執行機関の方へ個人情報を販売しない
Free signup · pay-as-you-go from $0.02/min · No app, no SIM

Cheap Internet Calls — Straight From Your Browser

Make a real phone call from your browser — pay-as-you-go to 145+ countries from $0.02/min. Free signup, no app to install, no SIM, no subscription. Browser-based VoIP that just works.

Start Calling See Per-Minute Rates

Free signup, no credit card. The exact rate is shown before every call connects.

Cheap Internet Calls vs Free Apps vs Carrier — Honest Comparison

"Free call" apps only work app-to-app. Carriers charge $1–$3/min abroad. TwinPhone calls any real number from the browser at pay-as-you-go rates starting at $0.02/min.

What you wantTwinPhoneFree appsCarrier
Free to sign up (no credit card)
Rate shown before you dial
Calls real landlines & mobiles
Works in the browser — no app, no SIM
No subscription (pay-as-you-go)
From $0.02/min to 145+ countries
Recipient needs the same app

Cheap Internet Call Rates — Top 20 Destinations

Here is exactly what a 5-minute call to a mobile in the busiest destinations actually costs through TwinPhone today. Pay-as-you-go, no subscription, no roaming, no hidden fees.

DestinationMobile $/minLandline $/min5-min call
🇺🇸United States$0.02$0.02$0.10
🇬🇧United Kingdom$0.06$0.02$0.30
🇩🇪Germany$0.06$0.02$0.29
🇫🇷France$0.11$0.11$0.57
🇪🇸

How to Call a Phone From the Internet — in 3 Steps

1

Open & sign up free

Go to twin-phone.com in any browser and create an account in ~30 seconds. No app download, no credit card.

2

Top up — pay only for what you use

Add credit from $5. Billing is per-minute pay-as-you-go, so you only pay for the minutes you actually talk.

3

Call any number, pay per minute

Type the number, see the exact rate, and call. From $0.02/min to 145+ countries — no subscription.

Why TwinPhone Beats Generic Free-Call Apps

Real browser calling

Calls land on any landline or mobile — not just other app users. Nothing to install.

No SIM required

Works on a Wi-Fi-only laptop or tablet with no SIM card and no phone number of your own.

Honest pricing

Free signup, then pay-as-you-go from $0.02/min. No ads, no 60-second cutoff, no upsell maze.

Encrypted calls

TLS + SRTP on every call. Private by default, no recording.

Works on bad Wi-Fi

Related

Spain
$0.12
$0.11
$0.58
🇮🇹Italy$0.25$0.09$1.23
🇮🇳India$0.08$0.10$0.38
🇵🇰Pakistan$0.05$0.09$0.23
🇧🇩Bangladesh$0.03$0.03$0.14
🇳🇬Nigeria$0.19$0.25$0.95
🇧🇷Brazil$0.03$0.02$0.15
🇲🇽Mexico$0.03$0.02$0.15
🇵🇭Philippines$0.22$0.24$1.12
🇮🇩Indonesia$0.08$0.10$0.42
🇻🇳Vietnam$0.15$0.15$0.76
🇪🇬Egypt$0.11$0.18$0.57
🇹🇷Turkey$0.11$0.06$0.56
🇷🇺Russia$0.27$0.18$1.36
🇺🇦Ukraine$0.62$0.37$3.10
🇦🇷Argentina$0.10$0.02$0.48

Customer-facing per-minute rates in USD. The exact rate for the number you dial is always shown before the call connects. See all 145+ country rates for the full table.

Adaptive audio keeps the call stable in airports, hotels, and cafés.

145+ countries

One account calls the whole world, with the rate shown before you dial.

Cheap Internet Calls — FAQ

Honest answers about calling real phones over the internet.

Honest answer: no service calls real landlines and mobiles 100% free — someone always pays the carrier termination fee. Apps like WhatsApp or Viber are free only when both people use the same app. TwinPhone is the closest thing to free for calling actual phone numbers: signing up is free, and after that you pay only for the minutes you use — pay-as-you-go from $0.02/min, with no subscription.

Open www.twin-phone.com in any modern browser (Chrome, Edge, Safari, Firefox), sign up in about 30 seconds, and dial. The call runs through your browser using WebRTC — no app store, no installer, no browser extension, and no SIM card required. It works on a laptop, desktop, tablet, or phone browser.

Yes. TwinPhone is browser-based, so it never touches your SIM or carrier. You can call from a device that has no SIM at all (a Wi-Fi-only tablet or laptop) as long as it has a microphone and an internet connection. Your real phone number is never required to place a call.

Most 'free call' sites are either app-to-app only (both sides need the app), show heavy ads, drop the call after 60 seconds, or quietly route you to a paid upsell. TwinPhone has no ads and no time limit on a paid call; the only honest 'free' part is signup — after that the per-minute rate is shown before you dial, so there are no surprises.

Rates start at $0.02/min and go up depending on destination and whether you call a landline or mobile. There is no monthly fee, no contract, and credit does not expire. You add credit from $5, with the exact rate for the number you typed displayed before the call connects.

Effectively yes — both terms describe a phone call that travels over the internet (Voice over IP) instead of a cellular or landline network. TwinPhone is a browser VoIP service: the audio is captured by your browser, encrypted, sent over the internet, and bridged onto the real phone network so the recipient picks up on their normal phone. The only difference vs older VoIP apps (Skype, Vonage) is that TwinPhone needs no install — it's a pure web app.

Yes. Open www.twin-phone.com directly in Chrome, Edge, Safari, or Firefox on any laptop, desktop, tablet, or modern phone. The call runs through your browser using WebRTC — there is nothing to install, no Chrome extension, no Safari plugin. Sign up takes about 30 seconds, then you pay per minute from $0.02/min — pay-as-you-go, with no subscription.

Every call is encrypted in transit with TLS + SRTP. Calls are billed per minute and routed through adaptive audio technology that keeps the line stable even on slow or unstable Wi-Fi — airports, hotels, cafés.

Calls to mobiles abroad are pay-as-you-go from $0.02/min — still far cheaper than carrier international rates, which often run $1–$3/min, with none of the per-day roaming fees. The exact rate is shown before the call connects.

TwinPhone browser calling interface

Start calling from your browser

Free signup, then pay-as-you-go to 145+ countries from $0.02/min. No app, no SIM.

Start Calling

登録は無料。カード不要・月額料金なし。14日間返金保証

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