SignalClock Lite vs Custom Digital Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SignalClock Lite
This utility app displays a digital clock with a time signal function using local notifications. It offers multiple sound sets and font options. The free version has limitations on scheduling time signals to half-hour intervals.
- Local notification time signals
- Multiple sound sets
- iOS 10 font support
- Half-hour signal scheduling (free edition)
- Digital clock display
Read full descriptionHide full description
Digital clock has time signal function based on Local Notification Center. It’s free edition of “SignalClock”. 5 different signal sound sets. All fonts iOS 10 supports are available in clock. 5 tone type are available in all sound file sets. Free edition limitations : - Able to schedule time signals on half hour unit ex. 00:00, 00:30, 01:00 ...
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
Read full descriptionHide full description
Stylish digital clock displayed on your smartphone. Customize the coloring freely.
Screenshots
Verdict
The clearest difference is ads: SignalClock Lite at none against Custom Digital Clock's shown. SignalClock Lite also leads on monetization model (free vs ad-supported) and iOS requirement (12.0 vs 15.1). On price, review sentiment, update cadence and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
SignalClock Lite ships an update every 7 months, Custom Digital Clock every 9 months. The most recent releases landed on September 9, 2026 and July 10, 2026 respectively.
| Parameter | SignalClock Lite | Custom Digital Clock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months — better | Every 9 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 28 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Masafumi Endoh | tadashi endo |
Customer experience
SignalClock Lite
Custom Digital Clock
In-app purchases
SignalClock Lite
No in-app purchases
Custom Digital Clock
No in-app purchases
