# To Do Fusen vs 9uick

The clearest difference is update cadence: 9uick at every 3 weeks against To Do Fusen's every 2 months. To Do Fusen's advantage is device support (3 vs 1) and iOS requirement (13.4 vs 16.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

To Do Fusen ships an update every 2 months, 9uick every 3 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | To Do Fusen | 9uick |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 1 MB |
| Requires iOS | **13.4** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sparks & Company, Inc.](https://appshunter.io/developer/375894514) | [Issei Ueda](https://appshunter.io/developer/1587496598) |

## What reviewers say

### To Do Fusen

[App page](https://appshunter.io/ios/app/to-do-fusen/id1528283624)

This app functions like a digital sticky note for managing your tasks. Easily add, organize, and customize notes with various colors. It offers helpful features like sorting, hiding completed items, and badge notifications for pending tasks.

**Highlights:** Add sticky notes, 6 color options, Sort sticky notes, Show/hide completed tasks, Badge notifications, Dark mode support, iCloud syncing

**Features:** macOS Compatibility

**In-app purchases:** none


### 9uick

[App page](https://appshunter.io/ios/app/9uick/id6445812510)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is To Do Fusen free?

To Do Fusen is free to download, with no in-app purchases.

### Is 9uick free?

9uick is free to download, with no in-app purchases.

### Do To Do Fusen or 9uick have ads?

Neither To Do Fusen nor 9uick shows ads.

### Which is updated more often, To Do Fusen or 9uick?

To Do Fusen ships an update every 2 months, and 9uick every 3 weeks. Most recently, To Do Fusen was updated on October 10, 2026 and 9uick 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.*