TwinPhoneをSkype・Google Voice・Viberなどと並べて比較しました。誇大広告は抜きで、実際の料金と機能だけをお見せします。
Google VoiceはUS限定。TwinPhoneは145か国以上で使えます。ブラウザで国際電話、US・カナダ番号は月$1.60から、通話は1分あたり$0.02から。登録にUS番号は不要です。
比較を読む →比較Comparing the three most popular options for international calls. Features, pricing, and availability.
比較を読む →比較App-to-app calls are free, but what about calling real phone numbers? A detailed comparison.
比較を読む →比較Two popular international calling services compared side-by-side on price, features, and ease of use.
比較を読む →比較Traditional VoIP vs browser-based calling. Which is better for international calls in 2026?
比較を読む →比較Hardware-based VoIP vs browser-based. Compare costs, quality, and convenience.
比較を読む →比較Google Voice is US-only. Here's how TwinPhone offers a global alternative with lower rates.
比較を読む →比較Dialpad is an AI-powered business phone. TwinPhone is a pay-as-you-go international calling service. Here's how they compare for making calls abroad.
比較を読む →比較Skype shut down in May 2025. Here are the 5 best replacements for international calling, tested and compared for 2026.
比較を読む →比較Enterprise-grade UCaaS vs pay-as-you-go VoIP. We compare RingCentral and TwinPhone on pricing, international rates, encryption, and who each service actually serves.
比較を読む →比較Ooma is a household name in home VoIP. But how does it hold up for international calls versus a browser-based service like TwinPhone?
比較を読む →比較Grasshopper forwards calls to your existing phone. TwinPhone makes calls directly from your browser. The distinction matters more than you think.
比較を読む →