すべての比較比較

Vonage vs TwinPhone 2026 — Cheaper Way to Call Abroad?

Vonage has been a VoIP pioneer since 2001, offering home phone replacement services. TwinPhone represents the next generation — browser-based, no hardware, no monthly plans. Here's how they compare for international calling in 2026.

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

  • Monthly cost — None (pay-as-you-go)
  • Hardware required — No
  • International rates — From $0.02/min
  • Contract — None
  • Encryption — TLS + SRTP

Vonage

  • Monthly cost — $13.99-27.99/mo
  • Hardware required — Yes (VoIP adapter)
  • International rates — Included in plan (limited)
  • Contract — 1-year recommended
  • Encryption — Standard
無料登録して通話を始める

アカウント無料 · 登録時カード不要 · 通話した分だけお支払い

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Vonage
Monthly costNone (pay-as-you-go)$13.99-27.99/mo
Hardware requiredNoYes (VoIP adapter)
International ratesFrom $0.02/minIncluded in plan (limited)
ContractNone1-year recommended
EncryptionTLS + SRTPStandard
Browser callingYes (only method)Optional app
Virtual numbersUS & CanadaUS/Canada only
Call recordingOn requestAdd-on fee
Setup time30 secondsHardware delivery + setup
Works on bad Wi-FiAdaptive audioRequires stable connection

登録にカード不要 · $10チャージ · 通話したときだけ支払い

無料登録して通話を始める

Vonage: The Old Guard of VoIP

Vonage pioneered consumer VoIP in the early 2000s and remains a solid option for people who want a traditional home phone experience over the internet. Plans start at $13.99/month and include a certain number of international minutes depending on the plan.

The catch: you need their hardware adapter (plugs into your router), setup takes days, and you're locked into a monthly subscription whether you make calls that month or not.

TwinPhone: VoIP Without the Baggage

TwinPhone strips away everything Vonage carries: no hardware, no monthly subscription, no contract, no setup wait time.

Sign up in 30 seconds, top up from $10, call from any browser. Every call is encrypted. Balance never expires. If you don't call for 3 months, you've spent $0. Try doing that with Vonage.

Cost Comparison Over 12 Months

Vonage basic plan: $13.99/mo x 12 = $167.88/year + hardware cost.

TwinPhone for occasional callers (30 min/month average): roughly $10-15 per top-up a few times a year = $20-60/year.

TwinPhone for frequent callers (200 min/month): roughly $10-30/month = $120-360/year.

For most people who don't need a full home phone replacement, TwinPhone saves 50-80% over Vonage.

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

よくある質問

TwinPhone vs Vonageについてよくある質問。

No. TwinPhone works entirely in your browser. No adapters, no cables, no equipment to buy or maintain.

Only if you specifically want a home phone replacement with a physical adapter. For international calls from a computer or laptop, browser-based services like TwinPhone are cheaper and simpler.

TwinPhone works through your browser, so it's ideal for computers, laptops, and tablets. If you specifically want a desk phone experience, you'd need a traditional VoIP provider. But for most international calling needs, TwinPhone covers everything.

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。

登録は無料。カード不要・月額料金なし。14日間返金保証