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MobiMatter eSIM Data Plans for Japan 🇯🇵

★ BEST VALUE Japan Japan Unlimited 3 Days · 4G/5G
28GB 3 days $0.21/GB
$10.99 $5.99
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Prices include the MobiMatter coupon · taxes may apply at checkout · updated Jul 3, 2026

Quick answers

Does MobiMatter sell eSIM plans for Japan?

Yes. eSIMAdvice currently lists 68 MobiMatter Japan plans.

What is the cheapest MobiMatter eSIM for Japan?

The lowest displayed MobiMatter Japan plan is Europe Asia and USA 1 GB at $1.99 for 1GB.

What is the best value MobiMatter Japan plan?

Japan Unlimited 3 Days is the current best-value match by displayed price per GB: $0.21/GB.

Is the ESIMDUDE coupon included in these prices?

Yes. Eligible displayed prices already include the active ESIMDUDE coupon where the provider rule applies.