正直な比較。本物の数字。
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。
従量課金
どの国へも1分あたり$0.02から通話
登録は無料。開始にカードは不要です。$10をチャージして、実際に通話した分だけお支払い。月額料金やサブスクリプションはありません。
登録にカード不要 · $10チャージ · 通話したときだけ支払い
Google Voiceの代わり2026年版 — 国別ガイド
Google Voice Personal、Workspace版、TwinPhoneを国別に比較。登録条件、ブラウザ利用、最新の国際通話料金を確認できます。
比較を読む →比較Google Voice vs Skype vs TwinPhone — 2026 Comparison
Comparing the three most popular options for international calls. Features, pricing, and availability.
比較を読む →比較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.
比較を読む →比較TwinPhone vs Rebtel 2026 — Cheaper International Calls?
Two popular international calling services compared side-by-side on price, features, and ease of use.
比較を読む →比較Vonage vs TwinPhone 2026 — Cheaper Way to Call Abroad?
Traditional VoIP vs browser-based calling. Which is better for international calls in 2026?
比較を読む →比較MagicJack vs TwinPhone 2026 — Hardware vs Browser VoIP
Hardware-based VoIP vs browser-based. Compare costs, quality, and convenience.
比較を読む →比較Google Voice Alternative 2026: Call Abroad From $0.02/min
Google Voice is US-only. Here's how TwinPhone offers a global alternative with lower rates.
比較を読む →比較Dialpad vs TwinPhone 2026 — Cheaper for International Calls?
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 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.
比較を読む →比較RingCentral vs TwinPhone 2026: From $0.02/min, No Seat Fees
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 vs TwinPhone 2026: No Hardware, From $0.02/min
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 vs TwinPhone 2026 — Forwarding vs Direct VoIP
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 →