Unlimited Data
Compare & Buy Unlimited Japan eSIM 2026 at the Best Price
182 unlimited data plans. Browse without limits.
All Japan Unlimited Plans (182)
Unlimited data plans sorted by price. Enjoy exclusive promo codes.
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Forfait
Données
Durée
Prix/Go
Code Promo
Prix
3
Japan-eSIM-Unlimited-1 Day-Daily5G
iRoamlyKDDI / softbank
€2.57
Data Unlimited
Duration 1 d
-
12
Japan-eSIM-Unlimited-2 Days-Daily5G
iRoamlyKDDI / softbank
€4.68
Data Unlimited
Duration 2 d
-
17
Japan-Local-eSIM-Unlimited-2 Days-Daily5G
iRoamlyIIJ
€5.96
Data Unlimited
Duration 2 d
-
Japan Unlimited eSIM Comparison 2026
Unlimited eSIM plans for Japan are the ideal solution for travelers who don't want to worry about their data usage. Stream your favorite shows, make video calls with loved ones, work remotely - all without limits.
Our partners like Holafly, Saily and Airalo offer quality unlimited plans with 4G/5G coverage. Compare prices and durations to find the perfect plan for your stay.
Unlimited data
No volume limits
Fast 4G/5G
High-speed connection
Full coverage
Across the country
Frequently Asked Questions
Yes, plans marked "unlimited" offer data without volume limits. However, some providers may apply a "fair use" policy after a certain amount, typically around 1 GB/day. Check the provider's terms before purchase.