# chacoのToDo vs LinguaWriter

The clearest difference is update cadence: chacoのToDo at every 3 days against LinguaWriter's every 10 days. chacoのToDo also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. chacoのToDo sells 1 one-off in-app purchase and LinguaWriter sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

chacoのToDo ships an update every 3 days, LinguaWriter every 10 days. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | chacoのToDo | LinguaWriter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 86 MB | 6 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [chaco](https://appshunter.io/developer/1554096382) | [YUJI TEZUKA](https://appshunter.io/developer/1834602884) |

## What reviewers say

### chacoのToDo

[App page](https://appshunter.io/ios/app/chacotodo/id6761160588)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support chaco | $1.99 | one-time |


### LinguaWriter

[App page](https://appshunter.io/ios/app/linguawriter/id6780715029)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LinguaWriter Premium | $5.99 | per month |


## Frequently asked questions

### Is chacoのToDo free?

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

### Is LinguaWriter free?

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

### Do chacoのToDo or LinguaWriter have ads?

Both chacoのToDo and LinguaWriter show ads.

### Which is updated more often, chacoのToDo or LinguaWriter?

chacoのToDo ships an update every 3 days, and LinguaWriter every 10 days. Most recently, chacoのToDo was updated on October 5, 2026 and LinguaWriter on October 16, 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.*