# シンプル「ABCDタスク管理」 vs DoSei

The clearest difference is in-app purchases: DoSei at none against シンプル「ABCDタスク管理」's 1. DoSei also leads on ads (none vs shown) and iOS requirement (16.6 vs 18.6). シンプル「ABCDタスク管理」's advantage is update cadence (every 3 months vs every 9 months). On price and device support there is nothing between them.

Both are free to download. シンプル「ABCDタスク管理」 sells 1 one-off in-app purchase. DoSei asks for nothing beyond the download.

シンプル「ABCDタスク管理」 ships an update every 3 months, DoSei every 9 months. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | シンプル「ABCDタスク管理」 | DoSei |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 1 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [tomohiro nakano](https://appshunter.io/developer/1179284958) | [MUNEATSU G.K.](https://appshunter.io/developer/1534902759) |

## What reviewers say

### シンプル「ABCDタスク管理」

[App page](https://appshunter.io/ios/app/abcd/id1516079594)

Prioritize tasks using the ABCD matrix based on urgency and importance. Organize tasks into customizable categories, view priorities at a glance, and secure your data with passcode locks. Offers theme customization and ad removal via in-app purchase.

**Highlights:** ABCD matrix for task prioritization, Task categorization and locking, Detailed task creation and editing, Customizable app themes and colors, Passcode protection for app and categories, Ad removal via in-app purchase

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $2.99 | one-time |


### DoSei

[App page](https://appshunter.io/ios/app/dosei/id6739622714)

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

**In-app purchases:** none


## Frequently asked questions

### Is シンプル「ABCDタスク管理」 free?

シンプル「ABCDタスク管理」 is free to download, with in-app purchases available.

### Is DoSei free?

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

### Do シンプル「ABCDタスク管理」 or DoSei have ads?

シンプル「ABCDタスク管理」 shows ads; DoSei does not.

### Which is updated more often, シンプル「ABCDタスク管理」 or DoSei?

シンプル「ABCDタスク管理」 ships an update every 3 months, and DoSei every 9 months. Most recently, シンプル「ABCDタスク管理」 was updated on September 19, 2026 and DoSei on September 14, 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.*