Big Red Clock vs Clock Seconds
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big Red Clock
This app provides a large, easily readable digital clock with both 12-hour and 24-hour formats. It also includes a countdown timer and a stopwatch function for various timekeeping needs.
- Large digital clock display
- 12-hour and 24-hour formats
- Countdown timer
- Stopwatch functionality
- Red color theme
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The perfect BIG NUMBER digital clock ...and red is just the beginning! Features: 12 hour or 24 hour Clock / Timer / Stopwatch Premium features (with subscription): Time Zone Assistant / Learn 24 Hour Time / Learn 12 Hour Time / Multi-Timer / Multi-Stopwatch Delightful set of colors and fonts to choose from Big Red Clock uses the standard Apple Terms of Use End User License Agreement (EULA): http://www.apple.com/legal/itunes/appstore/dev/stdeula
Clock Seconds
A highly accurate and customizable digital clock that fills your screen. Offers adjustable colors, sizes, and 12/24 hour formats. Designed for minimal battery usage.
- Largest digital clock display
- Accurate atomic time comparison
- Customizable colors and dimensions
- 12/24 hour format options
- Minimal battery consumption design
- Portrait mode settings access
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Largest and most accurate digital clock to fit your screen, with customizable colors, dimensions, 12/24 hour modes, atomic (compare to https://time.gov) , and more. To customize the clock use Portrait, tap the clock to show / hide settings. The app was designed to minimize battery consumption on your device. Compare accuracy to https://time.gov
Screenshots
Verdict
The clearest difference is rating: Clock Seconds at 5.0 against Big Red Clock's 4.5. Clock Seconds also leads on update cadence (every 4 weeks vs every 2 months) and iOS requirement (13.0 vs 18.6). Big Red Clock's advantage is monetization model (free vs free with in-app purchases) and ratings volume (101 vs 4). On price, ads, in-app purchases and 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
Both are free to download. Big Red Clock sells 2 in-app purchases, starting at $0.99 per month and Clock Seconds sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Clock Seconds holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Big Red Clock has 101 ratings behind it against 4, so its average is the more settled of the two.
Big Red Clock ships an update every 2 months, Clock Seconds every 4 weeks. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.
| Parameter | Big Red Clock | Clock Seconds |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (101 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 82.8% of reviews | — |
| Number of ratings | 101 — better | 4 |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Mac, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 18.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Single Sail Software, LLC | David Engler - Apps |
Customer experience
Big Red Clock
Clock Seconds
In-app purchases
Big Red Clock
- Monthly1 Month trial$0.991 Month
- Yearly1 Month trial$5.991 Year
Clock Seconds
- Remove Ads$2.99
- Unlock$9.99
Questions
Is Big Red Clock free?
Is Clock Seconds free?
Which has better reviews, Big Red Clock or Clock Seconds?
Do Big Red Clock or Clock Seconds have ads?
Which is updated more often, Big Red Clock or Clock Seconds?
Other comparisons
