# Standby Clock vs 专注时钟

The clearest difference is in-app purchases: 专注时钟 at none against Standby Clock's 3. 专注时钟 also leads on ads (none vs shown) and review sentiment (94% vs 61%). Standby Clock's advantage is ratings volume (712 vs 67). On price, rating, monetization model and device support there is nothing between them.

Both are free to download. Standby Clock sells 3 one-off in-app purchases. 专注时钟 asks for nothing beyond the download.

专注时钟 holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Standby Clock has 712 ratings behind it against 67, so its average is the more settled of the two. Written reviews point the same way: 61% of Standby Clock's written reviews are positive against 94% of 专注时钟's.

Standby Clock ships an update every 6 weeks, 专注时钟 every 3 weeks. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Standby Clock | 专注时钟 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (712 ratings)](https://appshunter.io/ios/app/standby-clock-on-lock-screen/id1466459620/reviews) | **[4.6 (67 ratings)](https://appshunter.io/ios/app/app/id1495041057/reviews)** |
| Number of ratings | **712** | 67 |
| Positive reviews | 61.2% of reviews | **94.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 110 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [云云 唐](https://appshunter.io/developer/1443085254) | [飞剑 姚](https://appshunter.io/developer/1113334129) |

## What reviewers say

### Standby Clock

[App page](https://appshunter.io/ios/app/standby-clock-on-lock-screen/id1466459620)

This app transforms your device into a full-screen digital clock with customizable fonts and colors. It offers a musical alarm, displays seconds on the dynamic island and lock screen, and can broadcast the time hourly. Enjoy background alarms with custom ringtones and various widget options.

**Highlights:** Full-screen digital time display, Seconds on dynamic island and lock screen, Customizable digital font styles and colors, Musical alarm with custom ringtones, Hourly chime and voice broadcasting, Lock screen and Home Screen widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| All Clock Styles | $0.99 | one-time |
| Pro Version | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🕰️ Customizable clock display
- 💡 Useful night light feature
- 🔍 Clear and accurate time display

**What reviewers complain about**

- 🐛 Vertical time display not preferred
- 🕰️ Lack of additional features (e.g., weather, date)
- 💰 Paid app with limited free features
- 🔋 Short screen time before turning off

**Reported bugs**

- Clock not displaying properly on home screen
- Alarm not working as expected

**Requested features**

- Add horizontal time display option
- Include weather and date information
- Improve screen timeout settings
- Offer more customization options


### 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


## Frequently asked questions

### Is Standby Clock free?

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

### Is 专注时钟 free?

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

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

专注时钟 is rated higher. Standby Clock averages 4.4 out of 5 from 712 ratings, while 专注时钟 averages 4.6 from 67 ratings.

### Do Standby Clock or 专注时钟 have ads?

Standby Clock shows ads; 专注时钟 does not.

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

Standby Clock ships an update every 6 weeks, and 专注时钟 every 3 weeks. Most recently, Standby Clock was updated on September 21, 2026 and 专注时钟 on September 16, 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.*