big O'Clock vs Big Countdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Big Countdown
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Big Countdown is your ultimate companion for tracking the days leading up to your significant events. Whether it's a birthday, holiday, or special occasion, stay informed and excited right on your iPad/iPhone.
Screenshots
Verdict
The clearest difference is price: Big Countdown at Free against big O'Clock's $0.99. Big Countdown also leads on in-app purchases (none vs 3) and update cadence (every 2 days vs every 12 months). On device support 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
Big Countdown is free to download; big O'Clock costs $0.99 up front. big O'Clock sells 3 one-off in-app purchases. Big Countdown asks for nothing beyond the download.
big O'Clock ships an update every 12 months, Big Countdown every 2 days. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.
| Parameter | big O'Clock | Big Countdown |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (11 ratings) — better | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 12 months | Every 2 days — better |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | john bogaert | Pierre Ramoin |
In-app purchases
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
Big Countdown
No in-app purchases
Questions
Is big O'Clock free?
Is Big Countdown free?
Which is updated more often, big O'Clock or Big Countdown?
Other comparisons
