186 countries
One QR code gets you online in any major destination worldwide.
About
About Sīrū
Sīrū sells instant eSIM data plans for 186 countries. No physical SIM cards, no roaming fees. Buy a plan, scan a QR code, get online — wherever you are.
Activate in 2 minutes
Scan the QR code on your phone. No SIM-card swaps, no waiting.
Refund policy
未使用・未開通のeSIMは180日以内に手数料なしで全額返金します。 開通失敗や技術的な問題については返金ポリシーをご確認ください。 Read the full refund policy.