Rakuten Mobile Campaign

Switch your phone plan.
Save up to

¥63,984

per year (typical savings switching from major carrier + low-reward card)

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How much can you save?

Select your current situation. The amount updates in real time.

Estimated annual savings
What if you invested these savings in NISA?
Simulation: investing the monthly savings in index funds via Japan's tax-free NISA account

This simulation is based on past market performance and does not guarantee future results. Investments carry risk of loss. This is not financial advice or a recommendation to purchase any specific financial product. ETF prices are approximate as of March 2026. Currency fluctuations and fees are not included. Consult a financial advisor before making investment decisions.

* Estimates only. Actual savings depend on your plan and usage.
10 carriers with honest pros & cons
SIM Plan Comparison
Prices, speeds, coverage, and weaknesses. Foreigner-friendly carriers highlighted.
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Credit Card Comparison
Free annual fee cards with up to 10%+ rewards. Sign-up bonus stacking strategy.
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Also available in: 日本語 / 繁體中文 (coming soon) / Tiếng Việt (coming soon) / မြန်မာ (coming soon)

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