nomada.
一番のおすすめ：Holafly →
eSIM比較・2026年6月更新
1位のHolaflyを見る｜1日あたり€3.79〜
即時開通・24時間サポート・6ヵ月間の返金保証
★★★★★
4.7/5
Trustpilotレビュー96,000件以上
ひと目でわかる比較表
2026年 総合ベストeSIM
最大の強み：データ無制限と五つ星評価のサポート
★★★★★
✓
データ容量を気にせず使える無制限プランを提供
✓
ウェブチャット・LINEで24時間365日サポート
✓
5G対応エリアでは高速通信が利用可能
✓
事前にかんたん設定。着陸後は自動でネットへ接続
データ無制限を5%OFFで手に入れる →
eSIMは即時発行・6ヵ月間の返金保証。クーポンコードは自動で適用されます。
Holafly限定特典
毎月1GBの特典を受け取る →
※利用規約が適用されます
2位以下のランキングをチェック
How do we choose the best?
At Nomada, we review every option carefully so you can simply pick the one that fits you best. We test each eSIM on real trips and score speed, ease of installation, customer support and value — because price isn't everything (though we check that too). Providers update their services regularly, so we refresh our recommendations every month.
We may earn a commission when you buy through our links. This never affects our rankings — here's how we test.
How do we choose the best?
Is unlimited data really unlimited?
＋
Yes — Holafly plans have no data cap. A fair-use policy applies to keep speeds high for everyone; normal travel use (maps, streaming, calls, stories) is never affected.
Will my phone work with an eSIM?
＋
Yes — Holafly plans have no data cap. A fair-use policy applies to keep speeds high for everyone; normal travel use (maps, streaming, calls, stories) is never affected.
When should I install my eSIM — before or after landing?
＋
Yes — Holafly plans have no data cap. A fair-use policy applies to keep speeds high for everyone; normal travel use (maps, streaming, calls, stories) is never affected.
How does the free 1 GB per month work?
＋
Yes — Holafly plans have no data cap. A fair-use policy applies to keep speeds high for everyone; normal travel use (maps, streaming, calls, stories) is never affected.
What if it doesn't work when I arrive?
＋
Yes — Holafly plans have no data cap. A fair-use policy applies to keep speeds high for everyone; normal travel use (maps, streaming, calls, stories) is never affected.