# NISA Mirai: Savings Simulator — Japan NISA planner (Japanese)

> Japan NISA planner (Japanese) (iPhone/iPad app by MASAYA FURUTA.)

- Source: https://appshunter.io/ios/app/nisa-mirai-savings-simulator/id6816849847 (this page in markdown: same URL + `.md`)
- Developer: [MASAYA FURUTA](https://appshunter.io/developer/6791934881)
- Category: Finance, Education
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 32 MB
- Languages: Japanese
- Released: 2026-10-04
- Data updated: 2026-10-24

## What is NISA Mirai?

Please note: the app itself is available in Japanese only.

NISA Mirai is a simple savings simulator for Japan's NISA tax-free investment accounts, including the Tsumitate (installment) account and the upcoming Children's NISA. It is useful for anyone living in Japan who can open a NISA account, including foreign residents.

- Family plan: plan for up to 5 family members and see the family total and each person's plan.
- How much will it grow? Choose a monthly amount and a number of years, and see the result split into "money you put in" and "money it grew", with a chart.
- Work back from a goal: find the monthly amount needed to reach a target, such as 20 million yen in 20 years.
- NISA allowance tracker: see how much of the 18 million yen lifetime allowance is left, and record buys and sells.
- Learn: 37 short lessons on compound interest, how NISA works, stock basics and more.

Everything you enter is stored only on your device and is never sent to a server.

Results are estimates based on a fixed rate of return. They do not guarantee future performance and are not a recommendation of any financial product. Taxes and fees are not included.

## Is NISA Mirai safe?

Not enough ratings yet to assess NISA Mirai.

## Is NISA Mirai legit?

NISA Mirai: Savings Simulator appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for NISA Mirai is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.1.0 — 2026-10-09

- New "How to use this screen" guide: the first time you open each screen, it shows what each button does (tap "?" to see it again)
- Results now start with a one-line summary
- Switch between low, middle and high growth right on the results screen

### 1.0.1 — 2026-10-07

- Ads now appear at the bottom of each page's content
- Minor display improvements

### 1.0 — 2026-10-05

No release notes.

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## More apps by MASAYA FURUTA

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- [アニマルスタディ ポルトガル語単語帳](https://appshunter.io/ios/app/id6802718039)

All apps by MASAYA FURUTA: https://appshunter.io/developer/6791934881

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*