# Standby Clock vs AClock

The clearest difference is in-app purchases: AClock at none against Standby Clock's 3. AClock also leads on review sentiment (89% vs 61%). Standby Clock's advantage is ratings volume (716 vs 56). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.4 for Standby Clock against 4.4 for AClock. That said, the two scores are not equally well evidenced: Standby Clock has 716 ratings behind it against 56, so its average is the more settled of the two. Written reviews are what separate them: 61% of Standby Clock's written reviews are positive against 89% of AClock's.

Standby Clock ships an update every 6 weeks, AClock every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Standby Clock | AClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (716 ratings)](https://appshunter.io/ios/app/standby-clock-on-lock-screen/id1466459620/reviews) | **[4.4 (56 ratings)](https://appshunter.io/ios/app/aclock-pomodoro-and-timer/id1502827492/reviews)** |
| Number of ratings | **716** | 56 |
| Positive reviews | 61.2% of reviews | **89.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 56 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [云云 唐](https://appshunter.io/developer/1443085254) | [Zhengzhou Sibo Intelligent Technology Co., Ltd.](https://appshunter.io/developer/803144645) |

## 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


### AClock

[App page](https://appshunter.io/ios/app/aclock-pomodoro-and-timer/id1502827492)

This minimalist clock app offers a variety of display styles, including page-turning and classic digital. It includes a stopwatch, countdown timer, and Pomodoro timer, with customizable colors, fonts, and motivational slogans. The app also features a night mode for eye protection and is designed for extreme power saving.

**Highlights:** Page turning and classic digital clock displays, Built-in stopwatch and countdown timer, Pomodoro timer functionality, Countdown to specific dates, Customizable font, color, and background, Night mode for eye protection

**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 AClock free?

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

### Which has better reviews, Standby Clock or AClock?

AClock is rated higher. Standby Clock averages 4.4 out of 5 from 716 ratings, while AClock averages 4.4 from 56 ratings.

### Do Standby Clock or AClock have ads?

Both Standby Clock and AClock show ads.

### Which is updated more often, Standby Clock or AClock?

Standby Clock ships an update every 6 weeks, and AClock every 2 months. Most recently, Standby Clock was updated on November 3, 2026 and AClock on November 3, 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.*