# Simple Memo vs chacoのToDo

The clearest difference is update cadence: chacoのToDo at every 3 days against Simple Memo's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Memo sells 1 one-off in-app purchase and chacoのToDo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Simple Memo ships an update every 2 months, chacoのToDo every 3 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Simple Memo | chacoのToDo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 4 MB | 86 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sota Yamamoto](https://appshunter.io/developer/1811232130) | [chaco](https://appshunter.io/developer/1554096382) |

## What reviewers say

### Simple Memo

[App page](https://appshunter.io/ios/app/simple-memo-checklist/id6752403531)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.49 | one-time |


### 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 |


## Frequently asked questions

### Is Simple Memo free?

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

### Is chacoのToDo free?

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

### Do Simple Memo or chacoのToDo have ads?

Both Simple Memo and chacoのToDo show ads.

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

Simple Memo ships an update every 2 months, and chacoのToDo every 3 days. Most recently, Simple Memo was updated on October 16, 2026 and chacoのToDo on October 25, 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.*