# Flip Clock vs When

The clearest difference is review sentiment: When at 90% against Flip Clock's 0%. When also leads on rating (4.7 vs 3.6) and in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flip Clock sells 1 one-off in-app purchase. When asks for nothing beyond the download.

When holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: When has 28 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Flip Clock's written reviews are positive against 90% of When's.

Flip Clock ships an update every 2 weeks, When weekly. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Flip Clock | When |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (5 ratings)](https://appshunter.io/ios/app/flip-clock-countdown-days/id1504377117/reviews) | **[4.7 (28 ratings)](https://appshunter.io/ios/app/when-flip-clock/id1539325158/reviews)** |
| Number of ratings | 5 | **28** |
| Positive reviews | 0.0% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 44 MB | 73 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GSNT Co., Ltd.](https://appshunter.io/developer/1504377116) | [磊 岑](https://appshunter.io/developer/1102462338) |

## What reviewers say

### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-countdown-days/id1504377117)

This analog clock app helps users manage their time with countdown features for important events and exams. It offers customizable displays and skins to personalize the user experience.

**Highlights:** Analog clock display, Time countdown function, Day countdown for events, Customizable display settings, Switchable skins

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| senior member | $0.99 | 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 Flip Clock free?

Flip 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, Flip Clock or When?

When is rated higher. Flip Clock averages 3.6 out of 5 from 5 ratings, while When averages 4.7 from 28 ratings.

### Do Flip Clock or When have ads?

Both Flip Clock and When show ads.

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

Flip Clock ships an update every 2 weeks, and When weekly. Most recently, Flip Clock was updated on October 2, 2026 and When on October 14, 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.*