# Stack｜自己投資アプリ vs もちのう

The clearest difference is in-app purchases: Stack｜自己投資アプリ at none against もちのう's 10. Stack｜自己投資アプリ also leads on ads (none vs shown). もちのう's advantage is update cadence (every 3 days vs every 10 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. もちのう sells 10 in-app purchases, starting at $5.99 per month. Stack｜自己投資アプリ asks for nothing beyond the download.

Stack｜自己投資アプリ ships an update every 10 days, もちのう every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stack｜自己投資アプリ | もちのう |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 102 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Nagato Kadoya](https://appshunter.io/developer/1575311338) | [Yu Mitsuda](https://appshunter.io/developer/6788616813) |

## 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


### もちのう

[App page](https://appshunter.io/ios/app/id6788616811)

This app helps you break free from excessive smartphone usage, particularly with social media. It acts as a companion to help you regain control of your screen time.

**Highlights:** Limit social media usage, Regain control of screen time, Companion for smartphone addiction, Premium features available via in-app purchase

**Features:** iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $5.99 | per month |
| もちのう プレミアム 1年（75%オフ） | $5.99 | per year |
| 週額プラン | $6.99 | per 7 days |
| もちのう プレミアム 1年（特別価格） | $11.99 | per year |
| もちのう プレミアム 1年（半額・7日無料） | $11.99 | per year |
| もちのう プレミアム 1年（半額・3日無料） | $11.99 | per year |
| プレミアム（年額） | $24.99 | per year |
| プレミアム（年額） | $39.99 | per year |
| プレミアム（買い切り・特別価格） | $34.99 | one-time |
| プレミアム（買い切り） | $59.99 | one-time |


## 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 もちのう free?

もちのう is free to download, with in-app purchases available.

### Do Stack｜自己投資アプリ or もちのう have ads?

もちのう shows ads; Stack｜自己投資アプリ does not.

### Which is updated more often, Stack｜自己投資アプリ or もちのう?

Stack｜自己投資アプリ ships an update every 10 days, and もちのう every 3 days. Most recently, Stack｜自己投資アプリ was updated on October 28, 2026 and もちのう on October 31, 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.*