# Flip Clock Pro vs When

The clearest difference is review sentiment: When at 90% against Flip Clock Pro's 40%. When also leads on rating (4.7 vs 3.7) and update cadence (weekly vs every 129 months). Flip Clock Pro's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

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

When holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: When has 28 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 40% of Flip Clock Pro's written reviews are positive against 90% of When's.

Flip Clock Pro ships an update every 129 months, When weekly. The most recent releases landed on September 22, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Flip Clock Pro | When |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/flip-clock-pro/id1073364656/reviews) | **[4.7 (28 ratings)](https://appshunter.io/ios/app/when-flip-clock/id1539325158/reviews)** |
| Number of ratings | 3 | **28** |
| Positive reviews | 40.0% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 129 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 2 MB | 73 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bahtiyar Polat](https://appshunter.io/developer/354062184) | [磊 岑](https://appshunter.io/developer/1102462338) |

## What reviewers say

### Flip Clock Pro

[App page](https://appshunter.io/ios/app/flip-clock-pro/id1073364656)

Transform your iPhone into a stylish retro flip clock. Easily swipe between different clock designs to personalize your device's look.

**Highlights:** Retro flip clock design, Customizable clock interfaces, Swipe to change designs, Personalize device look

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

**In-app purchases:** none


### 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 Pro free?

Flip Clock Pro is free to download, with no in-app purchases.

### Is When free?

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

### Which has better reviews, Flip Clock Pro or When?

When is rated higher. Flip Clock Pro averages 3.7 out of 5 from 3 ratings, while When averages 4.7 from 28 ratings.

### Do Flip Clock Pro or When have ads?

When shows ads; Flip Clock Pro does not.

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

Flip Clock Pro ships an update every 129 months, and When weekly. Most recently, Flip Clock Pro was updated on September 22, 2026 and When on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*