# Todoスケジュール vs Ordinal

The clearest difference is in-app purchases: Todoスケジュール at none against Ordinal's 2. Ordinal's advantage is update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Todoスケジュール ships an update every 3 months, Ordinal every 3 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Todoスケジュール | Ordinal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 13 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Taichi Terasaki](https://appshunter.io/developer/1714435050) | [Yo Mizutani](https://appshunter.io/developer/6797113131) |

## What reviewers say

### Todoスケジュール

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Ordinal

[App page](https://appshunter.io/ios/app/ordinal/id6797113129)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一杯 | $1.99 | one-time |
| おかわり | $3.99 | one-time |


## Frequently asked questions

### 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.

### Is Ordinal free?

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

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

Neither Todoスケジュール nor Ordinal shows ads.

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

Todoスケジュール ships an update every 3 months, and Ordinal every 3 days. Most recently, Todoスケジュール was updated on October 15, 2026 and Ordinal on October 9, 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.*