# マメタス by WealthNavi(ウェルスナビ) vs みらいバンク

マメタス by WealthNavi(ウェルスナビ) and みらいバンク are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

マメタス by WealthNavi(ウェルスナビ) ships an update monthly, みらいバンク every 5 weeks. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | マメタス by WealthNavi(ウェルスナビ) | みらいバンク |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/by-wealthnavi/id1236011920/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 105 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WealthNavi Inc.](https://appshunter.io/developer/1181342874) | [株式会社みらいバンク](https://appshunter.io/developer/1670794592) |

## What reviewers say

### マメタス by WealthNavi(ウェルスナビ)

[App page](https://appshunter.io/ios/app/by-wealthnavi/id1236011920)

This app automatically invests your spare change from daily purchases. It offers automated, diversified investing managed by a robo-advisor, ideal for those new to wealth management. Choose your preferred spare change amount for investment.

**Highlights:** Invests spare change from daily purchases, Automated investment with robo-advisor, Selectable spare change amounts (100, 500, 1000 yen), Monthly automatic withdrawals for investment, International diversified investment, Automated rebalancing and tax optimization

**In-app purchases:** none


### みらいバンク

[App page](https://appshunter.io/ios/app/id6445837906)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is マメタス by WealthNavi(ウェルスナビ) free?

マメタス by WealthNavi(ウェルスナビ) is free to download, with no in-app purchases.

### Is みらいバンク free?

みらいバンク is free to download, with no in-app purchases.

### Do マメタス by WealthNavi(ウェルスナビ) or みらいバンク have ads?

Neither マメタス by WealthNavi(ウェルスナビ) nor みらいバンク shows ads.

### Which is updated more often, マメタス by WealthNavi(ウェルスナビ) or みらいバンク?

マメタス by WealthNavi(ウェルスナビ) ships an update monthly, and みらいバンク every 5 weeks. Most recently, マメタス by WealthNavi(ウェルスナビ) was updated on October 3, 2026 and みらいバンク on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*