# ルーティーンToDo vs NULL Memo

The clearest difference is ads: NULL Memo at none against ルーティーンToDo's shown. NULL Memo also leads on update cadence (daily vs every 3 months). ルーティーンToDo's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. ルーティーンToDo sells 1 in-app purchase, starting at $1.99 per month and NULL Memo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ルーティーンToDo ships an update every 3 months, NULL Memo daily. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ルーティーンToDo | NULL Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Daily** |
| Size | 20 MB | 60 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KAIHAWK](https://appshunter.io/developer/1232590278) | [Aaron Chan](https://appshunter.io/developer/1888707957) |

## What reviewers say

### ルーティーンToDo

[App page](https://appshunter.io/ios/app/todo-todo/id6758130671)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ルーティーンToDo プロ版 | $1.99 | per month |


### NULL Memo

[App page](https://appshunter.io/ios/app/null-memo-ideas-notes-lists/id6761292505)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NULL Memo Pro | $2.99 | one-time |


## Frequently asked questions

### Is ルーティーンToDo free?

ルーティーンToDo is free to download, with in-app purchases available.

### Is NULL Memo free?

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

### Do ルーティーンToDo or NULL Memo have ads?

ルーティーンToDo shows ads; NULL Memo does not.

### Which is updated more often, ルーティーンToDo or NULL Memo?

ルーティーンToDo ships an update every 3 months, and NULL Memo daily. Most recently, ルーティーンToDo was updated on October 6, 2026 and NULL Memo on October 17, 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.*