# Focus Clock vs When

The clearest difference is rating: When at 4.7 against Focus Clock's 4.1. When also leads on in-app purchases (none vs 3) and update cadence (weekly vs fortnightly). Focus Clock's advantage is ads (none vs shown). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Focus Clock sells 3 in-app purchases, starting at $0.99 per 3 months. When asks for nothing beyond the download.

When holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 16 and 28 respectively. Written reviews point the same way: 83% of Focus Clock's written reviews are positive against 90% of When's.

Focus Clock ships an update fortnightly, When weekly. Both last shipped on October 1, 2026.

## The numbers

| Metric | Focus Clock | When |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (16 ratings)](https://appshunter.io/ios/app/focus-clock/id1521795885/reviews) | **[4.7 (28 ratings)](https://appshunter.io/ios/app/when-flip-clock/id1539325158/reviews)** |
| Number of ratings | 16 | **28** |
| Positive reviews | 83.3% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Subscription | **Ad-supported** |
| Size | 56 MB | 73 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [晓庆 张](https://appshunter.io/developer/1268921589) | [磊 岑](https://appshunter.io/developer/1102462338) |

## What reviewers say

### Focus Clock

[App page](https://appshunter.io/ios/app/focus-clock/id1521795885)

This app helps you concentrate on tasks with a unique focus mode that rewards sustained attention. It offers customizable timers, background operation, and detailed statistics to track your progress. Enjoy an ad-free experience with various visual themes to enhance your study or work sessions.

**Highlights:** Ad-free focus mode, Background timing with notifications, Daily focus statistics, Customizable clock styles and skins, Gesture controls for navigation, Progress bar and color customization

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription member | $0.99 | per 3 months |
| Permanent buyout | $1.99 | one-time |
| discounts VIP | $2.99 | one-time |


### When

[App page](https://appshunter.io/ios/app/when-flip-clock/id1539325158)

This app offers a minimalist flip clock experience with customizable widgets. It features a full-screen display with classic page-turning animations and adjustable brightness. Personalize your time display with options for seconds, date, and week.

**Highlights:** Full-screen classic flip animation, Minimalist design style, Customizable time display (seconds, date, week), 12/24 hour mode switching, Adjustable screen brightness, Multiple widget options (Flip Clock, Digital Clock, Calendar, Progress Bar, Disc Clock)

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

**In-app purchases:** none


## Frequently asked questions

### Is Focus Clock free?

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

### Is When free?

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

### Which has better reviews, Focus Clock or When?

When is rated higher. Focus Clock averages 4.1 out of 5 from 16 ratings, while When averages 4.7 from 28 ratings.

### Do Focus Clock or When have ads?

When shows ads; Focus Clock does not.

### Which is updated more often, Focus Clock or When?

Focus Clock ships an update fortnightly, and When weekly. Most recently, Focus Clock was updated on October 1, 2026 and When on October 1, 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.*