# スタディタスク ToDoリスト AI作問 vs Oshitaku Train

The clearest difference is iOS requirement: スタディタスク ToDoリスト AI作問 at 12.0 against Oshitaku Train's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

スタディタスク ToDoリスト AI作問 ships an update every 3 days, Oshitaku Train every 2 days. The most recent releases landed on October 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | スタディタスク ToDoリスト AI作問 | Oshitaku Train |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 56 MB | 5 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ayato Nakazawa](https://appshunter.io/developer/1728561381) | [Kanae Tani](https://appshunter.io/developer/6781730782) |

## What reviewers say

### スタディタスク ToDoリスト AI作問

[App page](https://appshunter.io/ios/app/todo-ai/id6478274039)

**Features:** macOS Compatibility

**In-app purchases:** none


### Oshitaku Train

[App page](https://appshunter.io/ios/app/oshitaku-train/id6782124492)

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

**In-app purchases:** none


## Frequently asked questions

### Is スタディタスク ToDoリスト AI作問 free?

スタディタスク ToDoリスト AI作問 is free to download, with no in-app purchases.

### Is Oshitaku Train free?

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

### Do スタディタスク ToDoリスト AI作問 or Oshitaku Train have ads?

Neither スタディタスク ToDoリスト AI作問 nor Oshitaku Train shows ads.

### Which is updated more often, スタディタスク ToDoリスト AI作問 or Oshitaku Train?

スタディタスク ToDoリスト AI作問 ships an update every 3 days, and Oshitaku Train every 2 days. Most recently, スタディタスク ToDoリスト AI作問 was updated on October 5, 2026 and Oshitaku Train on October 31, 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.*