# シンプル「ABCDタスク管理」 vs IFThenNote

The clearest difference is in-app purchases: IFThenNote at none against シンプル「ABCDタスク管理」's 1. IFThenNote also leads on iOS requirement (15.2 vs 18.6). On price, update cadence, ads 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. IFThenNote asks for nothing beyond the download.

シンプル「ABCDタスク管理」 ships an update every 3 months, IFThenNote every 4 months. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | シンプル「ABCDタスク管理」 | IFThenNote |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 5 MB |
| Requires iOS | 18.6 | **15.2** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [tomohiro nakano](https://appshunter.io/developer/1179284958) | [masaaki genno](https://appshunter.io/developer/1611455396) |

## 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 |


### IFThenNote

[App page](https://appshunter.io/ios/app/ifthennote/id1616119642)

**Features:** macOS Compatibility

**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 IFThenNote free?

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

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

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

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

シンプル「ABCDタスク管理」 ships an update every 3 months, and IFThenNote every 4 months. Most recently, シンプル「ABCDタスク管理」 was updated on October 6, 2026 and IFThenNote on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*