# Stack｜自己投資アプリ vs TASKUMO

The clearest difference is in-app purchases: Stack｜自己投資アプリ at none against TASKUMO's 2. Stack｜自己投資アプリ also leads on ads (none vs shown). TASKUMO's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. TASKUMO sells 2 in-app purchases, starting at $2.99 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, TASKUMO every 5 days. The most recent releases landed on September 28, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Stack｜自己投資アプリ | TASKUMO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 87.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 55 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Nagato Kadoya](https://appshunter.io/developer/1575311338) | [ギュテック株式会社](https://appshunter.io/developer/1886383087) |

## 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


### TASKUMO

[App page](https://appshunter.io/ios/app/taskumo/id6760818319)

This app helps you build and maintain habits with a gentle approach. It allows you to set tasks based on your feelings, earn coins for completion, and set personalized rewards. The app supports you in making progress at your own pace, even after breaks.

**Highlights:** Set tasks based on personal feelings, Organize tasks by time of day (morning, noon, night), Earn coins for task completion, Set personalized rewards with earned coins, Create recurring routines with progress tracking, Visualize weekly progress logs, Gentle, supportive notifications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TASKUMO PRO 月額 | $2.99 | per month |
| TASKUMO PRO 年額 | $19.99 | per year |


## 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 TASKUMO free?

TASKUMO is free to download, with in-app purchases available.

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

TASKUMO 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 TASKUMO?

Stack｜自己投資アプリ ships an update every 10 days, and TASKUMO every 5 days. Most recently, Stack｜自己投資アプリ was updated on September 28, 2026 and TASKUMO on October 17, 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.*