Knowledge Column
eSIM Travel Hub
Latest guides, tutorials, and travel connectivity tips to make your international roaming worry-free.
Japan Travel
Japan eSIM 2026: How to Pick the Right One — Routing, Transparency and Speed Compared
Most Japan eSIM recommendation lists compare only gigabytes and price. Sort them by routing type instead, then run four checks you can verify yourself.
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Japan Travel
Japan Real Unlimited eSIM Now Live: KDDI Local — Full-Speed vs 10 Mbps?
Polaris eSIM has launched a KDDI native real-unlimited Japan plan: no total cap, no nightly reset, riding the same KDDI line as locals. Two versions: full-speed 4G/5G unlimited, or 10 Mbps unlimited. The 7-day price gap is 390 TWD or 56 TWD per day. Which one suits which traveler? Eight scenarios to settle the call.
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