You can calculate the maximum hometown tax payment amount based on your income and private insurance premiums, and calculate the final return from the expected yield and investment period for investment management such as NISA and iDeCo.
In addition, in order to answer the question that you may be most concerned about, ``Which is better for me, NISA or iDeCo?'', it is possible to automatically calculate the optimal ratio between NISA and iDeCo based on your income and monthly investment amount.
Updated on
Oct 27, 2025
Finance
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties