# Duck Focus vs Grateful Diary

The clearest difference is ads: Duck Focus at none against Grateful Diary's shown. Grateful Diary's advantage is update cadence (every 4 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Duck Focus ships an update monthly, Grateful Diary every 4 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Duck Focus | Grateful Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (10 ratings)](https://appshunter.io/ios/app/duck-focus/id6475070624/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 47 MB | 42 MB |
| Requires iOS | 14.0 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Swallow Shuai Technology Development Co., Ltd.](https://appshunter.io/developer/1628485379) | [Ais Business Mexico S.A. de C.V.](https://appshunter.io/developer/1764495798) |

## What reviewers say

### Duck Focus

[App page](https://appshunter.io/ios/app/duck-focus/id6475070624)

This app helps improve focus and time management through a simple countdown timer. It provides data visualization to track focus time distribution and encourages self-discipline to combat procrastination and increase efficiency.

**Highlights:** Simple focused countdown timer, Data visualization of focus time distribution, Develops self-discipline, Improves procrastination, Professional time management tool, Focus on quality and reject redundancy

**Features:** macOS Compatibility

**In-app purchases:** none


### Grateful Diary

[App page](https://appshunter.io/ios/app/grateful-diary-mood-tracker/id6670461166)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duck Focus free?

Duck Focus is free to download, with no in-app purchases.

### Is Grateful Diary free?

Grateful Diary is free to download, with no in-app purchases.

### Do Duck Focus or Grateful Diary have ads?

Grateful Diary shows ads; Duck Focus does not.

### Which is updated more often, Duck Focus or Grateful Diary?

Duck Focus ships an update monthly, and Grateful Diary every 4 days. Most recently, Duck Focus was updated on October 8, 2026 and Grateful Diary on October 24, 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.*