# Stack｜自己投資アプリ vs Basyo Memo

The clearest difference is update cadence: Basyo Memo at every 2 days against Stack｜自己投資アプリ's every 10 days. Stack｜自己投資アプリ's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Stack｜自己投資アプリ ships an update every 10 days, Basyo Memo every 2 days. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Stack｜自己投資アプリ | Basyo Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 41 MB | 7 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Nagato Kadoya](https://appshunter.io/developer/1575311338) | [Homare Waki](https://appshunter.io/developer/6815061858) |

## What reviewers say

### Stack｜自己投資アプリ

[App page](https://appshunter.io/ios/app/stack/id6745755185)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Basyo Memo

[App page](https://appshunter.io/ios/app/basyo-memo/id6815061856)

**In-app purchases:** none


## Frequently asked questions

### Is Stack｜自己投資アプリ free?

Stack｜自己投資アプリ is free to download, with no in-app purchases.

### Is Basyo Memo free?

Basyo Memo is free to download, with no in-app purchases.

### Do Stack｜自己投資アプリ or Basyo Memo have ads?

Neither Stack｜自己投資アプリ nor Basyo Memo shows ads.

### Which is updated more often, Stack｜自己投資アプリ or Basyo Memo?

Stack｜自己投資アプリ ships an update every 10 days, and Basyo Memo every 2 days. Most recently, Stack｜自己投資アプリ was updated on September 28, 2026 and Basyo Memo on October 13, 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.*