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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
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.

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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
All ComparisonsComparison

TwinPhone vs Rebtel 2026 — Cheaper International Calls?

Rebtel has been in the international calling game for years, offering unlimited calling plans to specific countries. TwinPhone takes a different approach with pay-as-you-go pricing and browser-based calling. Which is better for your needs?

Feature-by-Feature Comparison

FeatureTwinPhoneRebtel
Pricing modelPay-as-you-goUnlimited plans + per-min
Rates from$0.02/min$0.01/min or $9.99/mo unlimited
App requiredNo (browser)Yes (mobile app)
EncryptionTLS + SRTPStandard
Virtual numbersUS & CanadaLimited
Transparent per-minute pricingYes (rate shown before each call)Bundled in plans
Call recordingNoNo
Team featuresShared wallets + analyticsNo
Works on bad Wi-FiAdaptive audioStandard
Free trialStart from $5No free trial

Rebtel: Great for Single-Country Calling

Rebtel's strength is its unlimited calling plans. If you call India every day, paying $9.99/month for unlimited calls can be cheaper than per-minute rates.

But there are catches: plans are country-specific (unlimited to India doesn't cover Japan), you need to install a mobile app, and per-minute rates for countries without unlimited plans aren't particularly competitive.

TwinPhone: Pay Only for What You Use

TwinPhone's pay-as-you-go model means no monthly commitments. Top up $10 when you need it, call whoever you want in 145+ countries. Your balance never expires.

For people who call multiple countries or call irregularly, this is significantly cheaper than maintaining monthly plans. And everything works in the browser — no app, no installation, no updates.

The Math: When Each Service Wins

Calling India 200+ minutes/month? Rebtel's unlimited plan ($9.99/mo) beats TwinPhone's per-minute rate.

Calling India 50 minutes/month? TwinPhone ($1.00) crushes Rebtel's unlimited plan ($9.99).

Calling 3 different countries? TwinPhone's single pay-as-you-go balance is simpler and cheaper than managing multiple country-specific plans.

The breakeven point varies by country, but for most people who don't call one single country for 100+ minutes monthly, pay-as-you-go wins.

Related Resources

  • 10 Best Skype Alternatives in 2026 →
  • Cheap Calls to India →
  • Cheap Calls to Mexico →
  • All Calling Rates →

See for yourself

No subscription, no app needed — just open your browser and dial. Rates from $0.02/min.

Try TwinPhone

Common Questions

What people ask about TwinPhone vs Rebtel.

It depends on usage. Rebtel's unlimited plans are cheaper if you call one country for 100+ minutes monthly. For occasional calls or multiple countries, TwinPhone's pay-as-you-go is significantly cheaper.

No. TwinPhone uses pay-as-you-go pricing billed per minute, with the exact per-minute rate shown before every call. For most users, this is cheaper because you only pay for the calls you make. No wasted subscription fees in months you don't call.

TwinPhone uses adaptive audio optimized for poor connections. Rebtel uses standard VoIP. On good internet both sound great; on bad Wi-Fi, TwinPhone handles it better.

Related Comparisons

Comparison

Skype Is Dead — 5 Best Alternatives That Work

Skype shut down in May 2025. Here are the 5 best replacements for international calling, tested and compared for 2026.

Read comparison →
Comparison

Google Voice vs Skype vs TwinPhone — 2026 Comparison

Comparing the three most popular options for international calls. Features, pricing, and availability.

Read comparison →
Comparison

WhatsApp vs Viber vs TwinPhone 2026: Call Real Numbers

App-to-app calls are free, but what about calling real phone numbers? A detailed comparison.

Read comparison →
Comparison

Vonage vs TwinPhone 2026 — Cheaper Way to Call Abroad?

Traditional VoIP vs browser-based calling. Which is better for international calls in 2026?

Read comparison →
View all 11 comparisons →
TwinPhone browser calling interface

Ready to switch?

From $0.02/min. Encrypted. Works on any connection. Start from just $5.

Try Now

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