# ルーティーンToDo vs ZattaMemo

The clearest difference is ads: ZattaMemo at none against ルーティーンToDo's shown. ZattaMemo also leads on update cadence (every 3 weeks vs every 3 months). ルーティーンToDo's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases 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 ZattaMemo 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, ZattaMemo every 3 weeks. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ルーティーンToDo | ZattaMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 20 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KAIHAWK](https://appshunter.io/developer/1232590278) | [Tatsuyoshi Sasaki](https://appshunter.io/developer/1888368184) |

## 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 |


### ZattaMemo

[App page](https://appshunter.io/ios/app/zattamemo/id6761243555)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZattaMemo Upgrade | $3.99 | 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 ZattaMemo free?

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

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

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

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

ルーティーンToDo ships an update every 3 months, and ZattaMemo every 3 weeks. Most recently, ルーティーンToDo was updated on November 10, 2026 and ZattaMemo on November 6, 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.*