# シンプル「縦型カレンダー」&「メモ」 vs ToDo

The clearest difference is device support: ToDo at 3 against シンプル「縦型カレンダー」&「メモ」's 1. ToDo also leads on iOS requirement (15.6 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. シンプル「縦型カレンダー」&「メモ」 sells 3 one-off in-app purchases and ToDo sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

シンプル「縦型カレンダー」&「メモ」 ships an update monthly, ToDo every 2 months. The most recent releases landed on September 14, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | シンプル「縦型カレンダー」&「メモ」 | ToDo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 58 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [tomohiro nakano](https://appshunter.io/developer/1179284958) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### シンプル「縦型カレンダー」&「メモ」

[App page](https://appshunter.io/ios/app/and/id1511311187)

Manage your schedule and notes with a simple vertical calendar. Create multiple calendars for different purposes and use templates for quick note entry. Back up and restore your data via Dropbox.

**Highlights:** Vertical calendar view, Multiple calendars, Note templates, Data backup and restore, App lock with passcode, Customizable themes, Adjustable text size

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| カレンダーテーマカラー設定機能 | $2.99 | one-time |
| 月ごとのメモ一括削除機能 | $2.99 | one-time |
| 広告非表示 | $3.99 | one-time |


### ToDo

[App page](https://appshunter.io/ios/app/todo/id1643283720)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| アプリケーション開発者への応援募金 | $1.99 | one-time |
| Cake Set | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is シンプル「縦型カレンダー」&「メモ」 free?

シンプル「縦型カレンダー」&「メモ」 is free to download, with in-app purchases available.

### Is ToDo free?

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

### Do シンプル「縦型カレンダー」&「メモ」 or ToDo have ads?

Both シンプル「縦型カレンダー」&「メモ」 and ToDo show ads.

### Which is updated more often, シンプル「縦型カレンダー」&「メモ」 or ToDo?

シンプル「縦型カレンダー」&「メモ」 ships an update monthly, and ToDo every 2 months. Most recently, シンプル「縦型カレンダー」&「メモ」 was updated on September 14, 2026 and ToDo on June 1, 2026.

---

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