# まるばつカレンダー：予定表とマーク日記 vs Simple to

The clearest difference is in-app purchases: まるばつカレンダー：予定表とマーク日記 at none against Simple to's 1. まるばつカレンダー：予定表とマーク日記 also leads on update cadence (fortnightly vs every 6 weeks). Simple to's advantage is review sentiment (85% vs 60%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple to sells 1 one-off in-app purchase. まるばつカレンダー：予定表とマーク日記 asks for nothing beyond the download.

まるばつカレンダー：予定表とマーク日記 ships an update fortnightly, Simple to every 6 weeks. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | まるばつカレンダー：予定表とマーク日記 | Simple to |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simple-to-do-list-making-app/id6468444527/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 60.0% of reviews | **84.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 49 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masao Saeki](https://appshunter.io/developer/1435000955) | [Kentaro Tsurumoto](https://appshunter.io/developer/1452169627) |

## What reviewers say

### まるばつカレンダー：予定表とマーク日記

[App page](https://appshunter.io/ios/app/id6448878378)

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

**In-app purchases:** none


### Simple to

[App page](https://appshunter.io/ios/app/simple-to-do-list-making-app/id6468444527)

Organize your daily tasks with a straightforward to-do list. Easily add new items, categorize them by type like 'Shopping' or 'Work', and customize with due dates and colors. Access your tasks directly from your home screen with widgets.

**Highlights:** Easy task addition, Categorize tasks, Home screen widgets, Customizable theme colors, Private and secure, Due date customization

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium plan | $9.99 | one-time |


## Frequently asked questions

### Is まるばつカレンダー：予定表とマーク日記 free?

まるばつカレンダー：予定表とマーク日記 is free to download, with no in-app purchases.

### Is Simple to free?

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

### Do まるばつカレンダー：予定表とマーク日記 or Simple to have ads?

Both まるばつカレンダー：予定表とマーク日記 and Simple to show ads.

### Which is updated more often, まるばつカレンダー：予定表とマーク日記 or Simple to?

まるばつカレンダー：予定表とマーク日記 ships an update fortnightly, and Simple to every 6 weeks. Most recently, まるばつカレンダー：予定表とマーク日記 was updated on October 2, 2026 and Simple to on October 13, 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.*