Digital Clock vs big O'Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Digital Clock
This app transforms your device into a stylish LED bedside clock with customizable skins and dynamic time displays. It offers alarm functionality, voice time broadcasts, and a countdown timer, perfect for your desk or nightstand.
- Display time in seconds
- Customizable clock skins
- Alarm with music selection
- Hourly voice broadcast
- Countdown timer
- Home and lock screen widgets
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Transform your desk with a minimalist LED digital clock, standby display, and focus timer — designed for Dynamic Island, Lock Screen, and Home Screen widgets. - Live Second Precision: Real-time clock display with seconds across Dynamic Island, Standby Screen, Lock Screen, and Home Screen widgets. - Custom Clock Skins: Eye-catching LED digital clock designs, themes, and customizable bedside displays. - Flexible Display: Toggle between 12-hour/24-hour time formats and easily hide week and date displays. - Smart Alarms & Chimes: Custom alarm sounds, music library, and hourly voice time broadcasts. - Pomodoro Focus Timer: Stay focused on work and study with customizable break intervals. - Stopwatch & Countdown Timer: High-precision timer for workouts, cooking, productivity, and study. - Target Date & Event Countdown: Track important milestones, project deadlines, holidays, and event countdowns.
big O'Clock
A full-screen clock, timer, and stopwatch app featuring large, clear digits. It offers high-quality visuals, sounds, and vibrations, serving as a stylish nightstand or work clock.
- Full-screen display
- Large, clear digits
- Customizable sounds and vibrations
- Timer functionality
- Stopwatch functionality
- Nightstand mode
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Big O'Clock is a clock, timer or stop watch with big digits in full screen with high quality images, sounds and vibrations Beautiful night stand or working clock
Screenshots
Verdict
The clearest difference is price: Digital Clock at Free against big O'Clock's $0.99. Digital Clock also leads on update cadence (fortnightly vs every 12 months) and ratings volume (69K vs 11). big O'Clock's advantage is ads (none vs shown). On rating, in-app purchases and iOS requirement 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
Digital Clock is free to download; big O'Clock costs $0.99 up front. Digital Clock sells 3 one-off in-app purchases and big O'Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for Digital Clock against 4.5 for big O'Clock. That said, the two scores are not equally well evidenced: Digital Clock has 69K ratings behind it against 11, so its average is the more settled of the two.
Digital Clock ships an update fortnightly, big O'Clock every 12 months. Both last shipped on September 24, 2026.
| Parameter | Digital Clock | big O'Clock |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.6 (69K ratings) — better | 4.5 (11 ratings) |
| Positive reviews | 63.0% of reviews | — |
| Number of ratings | 69K — better | 11 |
| Update frequency | Fortnightly — better | Every 12 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 80 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊杰 阮 | john bogaert |
Customer experience
Digital Clock
big O'Clock
Bugs and requests
Digital Clock
Reported bugs
6 issues- Alarm doesn't sound if device is in silent mode
- Alarm doesn't work
- Time display is wrong
- Widget doesn't show correct time
- App crashes frequently
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- Incompatible with older devices
Requested features
9 requests- Dark mode option
- More skins please ie: pixie (tube); RGB sliders
- Ability to input own music for alarm
- Vertical display
- Battery percentage and reminder
Show 4 moreShow fewer
- Ability to change alarm sounds
- Portrait mode
- Bigger clock display
- Transparent widget
big O'Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Digital Clock
- All clock styles$0.99
- Remove Ads$0.99
- Pro Version$2.99
big O'Clock
- I Love Big O'Clock$1.99
- I Deeply Love Big O'Clock$3.99
- I Adore Big O'Clock$6.99
Questions
Is Digital Clock free?
Is big O'Clock free?
Which has better reviews, Digital Clock or big O'Clock?
Do Digital Clock or big O'Clock have ads?
Which is updated more often, Digital Clock or big O'Clock?
Other comparisons
