# 专注时钟 vs iFlip Clock

The clearest difference is monetization model: iFlip Clock at free against 专注时钟's free with in-app purchases. iFlip Clock also leads on iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for 专注时钟 against 4.7 for iFlip Clock. Both are backed by a comparable volume of ratings — 67 and 33 respectively.

专注时钟 ships an update every 3 weeks, iFlip Clock monthly. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 专注时钟 | iFlip Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (67 ratings)](https://appshunter.io/ios/app/app/id1495041057/reviews) | **[4.7 (33 ratings)](https://appshunter.io/ios/app/iflip-clock-time-widget/id1622351265/reviews)** |
| Number of ratings | **67** | 33 |
| Positive reviews | 94.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 110 MB | 87 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞剑 姚](https://appshunter.io/developer/1113334129) | [若愚 马](https://appshunter.io/developer/1578109292) |

## What reviewers say

### 专注时钟

[App page](https://appshunter.io/ios/app/app/id1495041057)

Enhance focus and productivity with a customizable digital clock, countdown timer, and a variety of white noise soundscapes. Designed to help you enter work or study states faster and more efficiently.

**Highlights:** Full screen digital clock, Countdown timer, Customizable UI styles, Variety of white noise background sounds, Firecrackers & Fireworks animation (New Year's theme)

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

**In-app purchases:** none


### iFlip Clock

[App page](https://appshunter.io/ios/app/iflip-clock-time-widget/id1622351265)

This app provides a customizable digital clock and time widget for your device. Easily check the time, set alarms, and personalize the display with various styles and colors. It also offers Lock Screen Widget support for quick access.

**Highlights:** Real-time clock, timer, and countdown, Desktop and Lock Screen widgets, On-time alarm functionality, Customizable display content and appearance, 12-Hour/24-Hour time format, Landscape/Portrait mode switching, Adjustable screen brightness

**In-app purchases:** none


## Frequently asked questions

### Is 专注时钟 free?

专注时钟 is free to download, with no in-app purchases.

### Is iFlip Clock free?

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

### Which has better reviews, 专注时钟 or iFlip Clock?

iFlip Clock is rated higher. 专注时钟 averages 4.6 out of 5 from 67 ratings, while iFlip Clock averages 4.7 from 33 ratings.

### Do 专注时钟 or iFlip Clock have ads?

Neither 专注时钟 nor iFlip Clock shows ads.

### Which is updated more often, 专注时钟 or iFlip Clock?

专注时钟 ships an update every 3 weeks, and iFlip Clock monthly. Most recently, 专注时钟 was updated on September 16, 2026 and iFlip Clock on September 10, 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.*