すべての比較比較

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?

著者· Founder and Managing Director, TwinPhone公開 更新

結論

以下の10項目で比較しています。要点を並べて示します。

TwinPhone

  • Pricing model — Pay-as-you-go
  • Rates from — $0.02/min
  • App required — No (browser)
  • Encryption — TLS + SRTP
  • Virtual numbers — US & Canada

Rebtel

  • Pricing model — Unlimited plans + per-min
  • Rates from — $0.01/min or $9.99/mo unlimited
  • App required — Yes (mobile app)
  • Encryption — Standard
  • Virtual numbers — Limited
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A global network of connected international calling routes

項目別の比較

機能ごとの比較
項目TwinPhoneおすすめRebtel
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 recordingOn requestNo
Team featuresShared wallets + analyticsNo
Works on bad Wi-FiAdaptive audioStandard
Free trialStart from $10No free trial

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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.

従量課金

どの国へも1分あたり$0.02から通話

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よくある質問

TwinPhone vs Rebtelについてよくある質問。

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.

TwinPhone browser calling interface

乗り換えますか?

従量課金 $0.02/分から。ブラウザだけで、アプリもSIMも不要。

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