# Circle timer vs DOS Focus

The clearest difference is price: DOS Focus at Free against Circle timer's $0.99. Circle timer's advantage is in-app purchases (none vs 2) and update cadence (every 4 days vs every 3 months). On ads and device support there is nothing between them.

DOS Focus is free to download; Circle timer costs $0.99 up front. DOS Focus sells 2 in-app purchases, starting at $17.99 per year. Circle timer asks for nothing beyond the download.

Circle timer ships an update every 4 days, DOS Focus every 3 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Circle timer | DOS Focus |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/dos-focus/id6754083210/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | — | Freemium |
| Size | 1 MB | 105 MB |
| Requires iOS | **14.4** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hideo nakamura](https://appshunter.io/developer/1242808811) | [Nguyen Vu Thai](https://appshunter.io/developer/1626985836) |

## What reviewers say

### Circle timer

[App page](https://appshunter.io/ios/app/circle-timer-pie-chart-timer/id6686403808)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Circle timer free?

Circle timer costs $0.99, with no in-app purchases.

### Is DOS Focus free?

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

### Do Circle timer or DOS Focus have ads?

Neither Circle timer nor DOS Focus shows ads.

### Which is updated more often, Circle timer or DOS Focus?

Circle timer ships an update every 4 days, and DOS Focus every 3 months. Most recently, Circle timer was updated on September 17, 2026 and DOS Focus on September 18, 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.*