Simple Clock vs Top Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Clock
A straightforward digital clock designed for focus and study sessions. It offers a simple interface with essential timekeeping functions and customizable themes to enhance your work environment.
- Basic time, date, week display
- Countdown timer
- Timing function
- Pomodoro timer
- Multiple themes and fonts
- Custom background image
Read full descriptionHide full description
This clock is very easy to use, open it, put it on a good place, that's it. All you have to do is enjoy your study hours. Supports: # Basic time / date / week display # Countdown function # Timing function # Tomato timer # Multiple themes and fonts # Custom background image
Top Clock
This app provides a floating clock and timer that stays visible above all other applications. It's useful for tasks like online shopping, studying with Pomodoro timers, or cooking with real-time countdowns.
- Floating clock and timer
- Millisecond timing
- Picture-in-picture window
- Adjustable size and position
- Multiple timer types (stopwatch, countdown, Pomodoro)
- Customizable colors
- One-click operation
Read full descriptionHide full description
Top Clock is a small window floating clock that displays time and countdown on the desktop and any app. use: 1. Online shopping assistant, a small window on the shopping app displays a millisecond clock or an hourly countdown. 2. For online learning, when watching a video, the Pomodoro is displayed floating in a small window for more efficient learning. 3. Cooking timer, while using other software, a small window can view the countdown in real time. Features: 1. Millisecond timing, online shopping is one step faster. 2. A small picture-in-picture window, adjustable in size and position, can be used simultaneously with other software. 3. Various timers, including clock, stopwatch, countdown, interval timer and Pomodoro. 4. Any combination of colors. 5. The operation is simple, just one click.
Screenshots
Verdict
The clearest difference is in-app purchases: Top Clock at none against Simple Clock's 2. Simple Clock's advantage is update cadence (fortnightly vs every 2 months) and review sentiment (75% vs 61%). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Simple Clock sells 2 one-off in-app purchases. Top Clock asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Simple Clock against 4.6 for Top Clock. Both are backed by a comparable volume of ratings — 297 and 149 respectively. Written reviews are what separate them: 75% of Simple Clock's written reviews are positive against 61% of Top Clock's.
Simple Clock ships an update fortnightly, Top Clock every 2 months. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.
| Parameter | Simple Clock | Top Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (297 ratings) | 4.6 (149 ratings) — better |
| Positive reviews | 74.8% of reviews — better | 61.0% of reviews |
| Number of ratings | 297 — better | 149 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 乃君 黄 | Shenzhen Gude Aipu Technology Co., Ltd |
Customer experience
Simple Clock
Top Clock
Bugs and requests
Simple Clock
Reported bugs
11 issues- Cannot exit timer mode
- App unresponsive on some devices
- Quit working correctly, stuck on military time
- Cannot change clock design
- Not compatible with iPhone
Show 6 moreShow fewer
- Cannot restore purchases
- Timer only 15 minutes in free version
- App does not respond when operating from smartphone
- Need to uninstall to delete timer
- Custom image changes time number color to gray
- App drains battery quickly
Requested features
17 requests- Add alarm function
- Allow setting custom wallpaper and adjusting its size/position
- Add option to change font color with custom images
- Add a countdown feature
- Add PiP mode for iPad
Show 12 moreShow fewer
- Add option to keep night mode setting
- Add option to change date format
- Add option to change text color and position
- Add stopwatch functionality
- Add simple white noise sounds
- Add music to the app
- Add a daily total time recording function
- Add option to change AM/PM to 00:00 format
- Add option to disable second display
- Add vertical mode for phones
- Add analog/flip clock styles
- Allow restoring purchases
Top Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Simple Clock
- unlock all contents$0.99
- Support Developer$1.99
Top Clock
No in-app purchases







