Clock Seconds vs Custom Digital Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Custom Digital Clock
Display a stylish digital clock on your smartphone. Personalize the clock's appearance with custom coloring options to match your style.
- Stylish digital clock display
- Customizable coloring
- Smartphone integration
- Personalized appearance
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Stylish digital clock displayed on your smartphone. Customize the coloring freely.
Screenshots
Verdict
The clearest difference is rating: Clock Seconds at 5.0 against Custom Digital Clock's 1.0. Clock Seconds also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 9 months). Custom Digital Clock's advantage is in-app purchases (none vs 2). On price 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. Clock Seconds sells 2 one-off in-app purchases. Custom Digital Clock asks for nothing beyond the download.
Clock Seconds holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Clock Seconds ships an update every 4 weeks, Custom Digital Clock every 9 months. The most recent releases landed on September 15, 2026 and July 10, 2026 respectively.
| Parameter | Clock Seconds | Custom Digital Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 4 weeks — better | Every 9 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 22 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | David Engler - Apps | tadashi endo |
Customer experience
Clock Seconds
Custom Digital Clock
In-app purchases
Clock Seconds
- Remove Ads$2.99
- Unlock$9.99
Custom Digital Clock
No in-app purchases
