# Simple To vs Todoスケジュール

The clearest difference is in-app purchases: Todoスケジュール at none against Simple To's 2. Todoスケジュール also leads on ads (none vs shown) and update cadence (every 3 months vs every 12 months). Simple To's advantage is device support (3 vs 1) and iOS requirement (12.3 vs 18.0). On price there is nothing between them.

Both are free to download. Simple To sells 2 one-off in-app purchases. Todoスケジュール asks for nothing beyond the download.

Simple To ships an update every 12 months, Todoスケジュール every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Simple To | Todoスケジュール |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 3 months** |
| Size | 34 MB | 13 MB |
| Requires iOS | **12.3** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NAOYA ONO](https://appshunter.io/developer/1530328146) | [Taichi Terasaki](https://appshunter.io/developer/1714435050) |

## What reviewers say

### Simple To

[App page](https://appshunter.io/ios/app/simple-to-do-calendar/id1572241029)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Developer | $0.99 | one-time |
| Remove ads | $3.99 | one-time |


### Todoスケジュール

[App page](https://appshunter.io/ios/app/todo-1/id6474942629)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple To free?

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

### Is Todoスケジュール free?

Todoスケジュール is free to download, with no in-app purchases.

### Do Simple To or Todoスケジュール have ads?

Simple To shows ads; Todoスケジュール does not.

### Which is updated more often, Simple To or Todoスケジュール?

Simple To ships an update every 12 months, and Todoスケジュール every 3 months. Most recently, Simple To was updated on November 3, 2026 and Todoスケジュール on November 4, 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.*