# Smart Flow vs Duck Widget Memo

The clearest difference is in-app purchases: Smart Flow at none against Duck Widget Memo's 1. Smart Flow also leads on ads (none vs shown) and update cadence (daily vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. Duck Widget Memo sells 1 one-off in-app purchase. Smart Flow asks for nothing beyond the download.

Smart Flow ships an update daily, Duck Widget Memo every 2 weeks. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Smart Flow | Duck Widget Memo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (187 ratings)](https://appshunter.io/ios/app/duck-widget-memo/id1594616099/reviews)** |
| Number of ratings | — | **187** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 175 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PubLink science and technology (Hangzhou) Co.,Ltd](https://appshunter.io/developer/1531249187) | [Hiroaki Umino](https://appshunter.io/developer/1594616101) |

## What reviewers say

### Smart Flow

[App page](https://appshunter.io/ios/app/smart-flow/id1562802451)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duck Widget Memo

[App page](https://appshunter.io/ios/app/duck-widget-memo/id1594616099)

This app allows you to create customizable sticky notes that can be placed directly on your device's desktop. Personalize backgrounds, fonts, and choose from a variety of icons to help you remember tasks and information.

**Highlights:** Desktop sticky notes, Customizable background and font color, 40+ icon shapes, Draw games, Free wallpapers, Edit widgets, Multiple memos on widget

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version | $4.99 | one-time |


## Frequently asked questions

### Is Smart Flow free?

Smart Flow is free to download, with no in-app purchases.

### Is Duck Widget Memo free?

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

### Do Smart Flow or Duck Widget Memo have ads?

Duck Widget Memo shows ads; Smart Flow does not.

### Which is updated more often, Smart Flow or Duck Widget Memo?

Smart Flow ships an update daily, and Duck Widget Memo every 2 weeks. Most recently, Smart Flow was updated on October 10, 2026 and Duck Widget Memo on October 7, 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.*