SignalClock vs Custom Digital Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SignalClock
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Digital clock has time signal function based on Local Notification Center. 5 different signal sound sets (Digital Clock, Cuckoo, Voice, Whittington Chime,Church Bell). All fonts iOS 10 supports are available in clock. 5 tone type are available in all sound file sets.
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 price: Custom Digital Clock at Free against SignalClock's $0.99. SignalClock's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.1). On update cadence, 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
Custom Digital Clock is free to download; SignalClock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SignalClock ships an update every 5 months, Custom Digital Clock every 9 months. The most recent releases landed on September 9, 2026 and July 10, 2026 respectively.
| Parameter | SignalClock | Custom Digital Clock |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months — better | Every 9 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 103 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Masafumi Endoh | tadashi endo |
In-app purchases
SignalClock
No in-app purchases
Custom Digital Clock
No in-app purchases
