# DOS Focus vs Quackly

The clearest difference is rating: Quackly at 5.0 against DOS Focus's 4.0. Quackly also leads on update cadence (every 8 days vs every 3 months) and ratings volume (3 vs 1). DOS Focus's advantage is device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. DOS Focus sells 2 in-app purchases, starting at $17.99 per year and Quackly sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Quackly holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

DOS Focus ships an update every 3 months, Quackly every 8 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DOS Focus | Quackly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/dos-focus/id6754083210/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/quackly-your-focus-duck/id6784817664/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Freemium | Freemium |
| Size | 105 MB | 189 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Nguyen Vu Thai](https://appshunter.io/developer/1626985836) | [Hologram Labs](https://appshunter.io/developer/1630632634) |

## What reviewers say

### DOS Focus

[App page](https://appshunter.io/ios/app/dos-focus/id6754083210)

Enhance concentration with nostalgic computer sounds and a distraction-free environment. Customize focus sessions, track progress, and personalize your interface with classic DOS themes for improved productivity.

**Highlights:** Retro soundscapes, Customizable focus sessions, Focus progress reports, Classic DOS themes, Offline and minimal design

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Try DOS FOCUS PRO | $17.99 | per year |
| Try DOS FOCUS PRO | $8.99 | one-time |


### Quackly

[App page](https://appshunter.io/ios/app/quackly-your-focus-duck/id6784817664)

Enhance productivity and build focus habits with a virtual duck companion. Earn rewards, unlock accessories, and track your progress through engaging focus sessions. Ideal for students, professionals, and anyone seeking to improve concentration.

**Highlights:** Focus timer for work and study, Virtual duck companion for motivation, Earn rewards and unlock accessories, Build lasting focus habits, Home and Lock Screen widgets, Track focus sessions and progress

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quackly Plus Monthly | $2.99 | per month |
| Quackly Plus Yearly | $35.99 | per year |


## Frequently asked questions

### Is DOS Focus free?

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

### Is Quackly free?

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

### Which has better reviews, DOS Focus or Quackly?

Quackly is rated higher. DOS Focus averages 4.0 out of 5 from 1 ratings, while Quackly averages 5.0 from 3 ratings.

### Do DOS Focus or Quackly have ads?

Neither DOS Focus nor Quackly shows ads.

### Which is updated more often, DOS Focus or Quackly?

DOS Focus ships an update every 3 months, and Quackly every 8 days. Most recently, DOS Focus was updated on November 5, 2026 and Quackly on October 31, 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.*