# todo リスト vs Simple Memo

The clearest difference is in-app purchases: todo リスト at none against Simple Memo's 1. todo リスト also leads on ads (none vs shown) and update cadence (every 10 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Simple Memo sells 1 one-off in-app purchase. todo リスト asks for nothing beyond the download.

todo リスト ships an update every 10 days, Simple Memo every 2 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | todo リスト | Simple Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 30 MB | 4 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kento kuramoto](https://appshunter.io/developer/1508496281) | [Sota Yamamoto](https://appshunter.io/developer/1811232130) |

## What reviewers say

### todo リスト

[App page](https://appshunter.io/ios/app/todo/id1550487579)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is todo リスト free?

todo リスト is free to download, with no in-app purchases.

### Is Simple Memo free?

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

### Do todo リスト or Simple Memo have ads?

Simple Memo shows ads; todo リスト does not.

### Which is updated more often, todo リスト or Simple Memo?

todo リスト ships an update every 10 days, and Simple Memo every 2 months. Most recently, todo リスト was updated on October 9, 2026 and Simple Memo 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.*