Simple Clock vs Big 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
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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
Big Clock
Transform your iPhone into a stylish bedside clock with interactive widgets for your home screen, lock screen, and Dynamic Island. Enjoy customizable themes and essential information at a glance.
- Interactive iOS widgets
- Stand-by mode widget
- Dynamic Island support
- Lock Screen widget with seconds
- Transparent widget option
- Full screen digital clock
- Gradient themes
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Turn Your iPhone into Big Clock. Simple and beautiful Digital clock designed for Table Stand. App includes Features: · iOS 26 Interactive Widget, Stand-by Widget · Dynamic Island. · LockScreen Widget with seconds. · Transparent WIdget. · Clock Widget with seconds . · Full Screen Digital Clock. · Beautiful Gradient Themes. · 24-12 hr Format. · Calendar View. and many other exciting features
Screenshots
Verdict
The clearest difference is rating: Simple Clock at 4.5 against Big Clock's 4.0. Simple Clock also leads on iOS requirement (11.0 vs 15.0). Big Clock's advantage is ads (none vs shown). On price, review sentiment, ratings volume and update cadence 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 and Big Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Simple Clock holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 297 and 700 respectively. Written reviews point the same way: 75% of Simple Clock's written reviews are positive against 68% of Big Clock's.
Simple Clock ships an update fortnightly, Big Clock every 4 weeks. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.
| Parameter | Simple Clock | Big Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (297 ratings) — better | 4.0 (700 ratings) |
| Positive reviews | 74.8% of reviews — better | 67.7% of reviews |
| Number of ratings | 297 | 700 — better |
| Update frequency | Fortnightly — better | Every 4 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| 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 | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | 乃君 黄 | Amit Verma |
Customer experience
Simple Clock
Big Clock
User reviews
Simple Clock
From 297 App Store ratingsWhat we love
- 👍 Simplicity and ease of use
- 🌟 Good for study focus
- 🖼️ Customizable backgrounds/fonts
- ✨ Minimalist design
- 🚫 Ad-free (for some users)
Room to improve
- 💰 Many features require payment
- 🤔 Difficult to navigate/find options
- ⏳ Limited timer duration (free version)
- 📱 Some users report unresponsiveness
- 💸 Paid features should be free
Big Clock
From 700 App Store ratingsWhat we love
- 🚀 Great clock for nightstand or widget
- 👍 Stylish and complements iOS 26
- 👍 Useful seconds display
- 👍 Simple and clean interface
- 👍 Good for presentations and visibility
Room to improve
- 🐛 Widget doesn't handle daylight saving changes
- 🐛 Widget doesn't always display time correctly
- 🐛 Constant review pop-ups blocking the clock
- 🐛 Occasional time freezing or display issues
- 🔋 Clock goes to sleep when phone does
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
Big Clock
Reported bugs
3 issues- Widget not updating time correctly
- Inconsistent time display between app and widget
- Review pop-ups blocking clock functionality
Requested features
5 requests- Ability to customize font, size, and appearance
- Option to disable seconds display
- Landscape mode support
- More color/theme options
- Ability to tap widget to access settings
In-app purchases
Simple Clock
- unlock all contents$0.99
- Support Developer$1.99
Big Clock
- Big Clock Pro.$6.99
