# chacoのToDo vs コツログ

The clearest difference is in-app purchases: コツログ at none against chacoのToDo's 1. コツログ also leads on ads (none vs shown). chacoのToDo's advantage is update cadence (every 3 days vs every 3 weeks) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. chacoのToDo sells 1 one-off in-app purchase. コツログ asks for nothing beyond the download.

chacoのToDo ships an update every 3 days, コツログ every 3 weeks. The most recent releases landed on October 5, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | chacoのToDo | コツログ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 86 MB | 11 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [chaco](https://appshunter.io/developer/1554096382) | [Sota Ohno](https://appshunter.io/developer/6778257909) |

## 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 |


### コツログ

[App page](https://appshunter.io/ios/app/id6778257541)

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

**In-app purchases:** none


## Frequently asked questions

### Is chacoのToDo free?

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

### Is コツログ free?

コツログ is free to download, with no in-app purchases.

### Do chacoのToDo or コツログ have ads?

chacoのToDo shows ads; コツログ does not.

### Which is updated more often, chacoのToDo or コツログ?

chacoのToDo ships an update every 3 days, and コツログ every 3 weeks. Most recently, chacoのToDo was updated on October 5, 2026 and コツログ on September 24, 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.*