SignalClock Lite vs 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
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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 ...
Digital Clock
This utility app displays the current time in a customizable format. Users can choose between 12 or 24-hour displays, change the color of the clock, and opt to show seconds. Access settings by tapping the display.
- 12/24 hour format
- Color customization
- Second display option
- Tap to access settings
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when display tap, appear settings button FEATUURES •12hour or 24 hour •change color •display second
Screenshots
Verdict
The clearest difference is review sentiment: Digital Clock at 100% against SignalClock Lite's 0%. SignalClock Lite's advantage is price (Free vs $0.99) and update cadence (every 7 months vs every 41 months). On 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
SignalClock Lite is free to download; Digital Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SignalClock Lite ships an update every 7 months, Digital Clock every 41 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.
| Parameter | SignalClock Lite | Digital Clock |
|---|---|---|
| Price | Free — better | $0.99 |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Update frequency | Every 7 months — better | Every 41 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 28 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Masafumi Endoh | kohei yamane |
Customer experience
SignalClock Lite
Digital Clock
In-app purchases
SignalClock Lite
No in-app purchases
Digital Clock
No in-app purchases
Questions
Is SignalClock Lite free?
Is Digital Clock free?
Do SignalClock Lite or Digital Clock have ads?
Which is updated more often, SignalClock Lite or Digital Clock?
Other comparisons
