# シンプル「ABCDタスク管理」 vs Eisen

The clearest difference is review sentiment: シンプル「ABCDタスク管理」 at 60% against Eisen's 18%. シンプル「ABCDタスク管理」 also leads on update cadence (every 3 months vs every 7 months). Eisen's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases and monetization model 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 and Eisen sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

シンプル「ABCDタスク管理」 ships an update every 3 months, Eisen every 7 months. The most recent releases landed on August 23, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | シンプル「ABCDタスク管理」 | Eisen |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **60.0% of reviews** | 18.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 26 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [tomohiro nakano](https://appshunter.io/developer/1179284958) | [kota tada](https://appshunter.io/developer/1658942612) |

## 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 |


### Eisen

[App page](https://appshunter.io/ios/app/eisen-eisenhower-task-man/id6736972350)

This task management application employs the Eisenhower Matrix to help users prioritize tasks based on urgency and importance. It offers a straightforward interface for adding, removing, and reviewing tasks, enabling a focused approach to daily productivity.

**Highlights:** Eisenhower Matrix task classification, Add and remove tasks, Review completed tasks, Focus on critical tasks, Simple user interface, Daily productivity maximization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## 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 Eisen free?

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

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

Both シンプル「ABCDタスク管理」 and Eisen show ads.

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

シンプル「ABCDタスク管理」 ships an update every 3 months, and Eisen every 7 months. Most recently, シンプル「ABCDタスク管理」 was updated on August 23, 2026 and Eisen on August 27, 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.*