Comparison

Digital Clock vs LETS SIGNAL

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Digital Clock

This app provides a clear and attractive LED digital clock display. It's ideal for use on a nightstand or desk, offering customizable options for time format and visibility of weekdays and dates.

Highlights
  • Beautiful LED digital display
  • 12/24 hour mode switching
  • Show/hide weekdays
  • Show/hide date
Features
Read full description

Digital Clock turns your iPhone, iPad, and Mac into a crisp retro LED display — the glow of a classic bedside or desk clock, right on your screen. Prop it up on your nightstand, desk, or home-office shelf and read the time at a glance, day or night. WHAT YOU CAN DO • Choose from several LED and LCD display styles • Show the time in 12- or 24-hour format, with optional seconds, weekday, and date • Add a blinking colon for that authentic digital-clock feel • Keep it in portrait or landscape, or lock it to the orientation you prefer • Dim the screen with a swipe for a gentle, glare-free glow at night • The display stays awake, so the clock is always there when you glance over TIMER & ALARMS • Set alarms to wake up or stay on schedule • Countdown timer, stopwatch, and a Pomodoro mode with work and break intervals • Pick your own alarm sound WIDGETS • Add Digital Clock to your Home Screen and Lock Screen DIGITAL CLOCK PRO Make it truly yours with a one-time upgrade: • Set custom digit and background colors • Use your own photo as the background • See the track currently playing in the Music app • Display any time zone in the world However you like to keep time — a stylish desk clock, a calm bedside companion, or a focus timer for work — Digital Clock has you covered.

About

LETS SIGNAL

Simulate realistic traffic signals and crosswalks from around the world. Customize signal timings and experience different country variations. Upgrade to unlock car traffic lights.

Highlights
  • Realistic crosswalk signal simulation
  • 7 crosswalk signals from 4 countries
  • Customizable waiting, lighting, and flashing times
  • Unlock car traffic lights with premium upgrade
  • Push button operation
Features
Read full description

Play with your favorite traffic signal anytime, anywhere. Realistic crosswalk signal simulator with only push button operation. Experience 7 crosswalk signals from 4 countries. Customize waiting time, lighting time, and flashing time. Upgrading to a paid premium plan allows you to see traffic lights for cars.

Screenshots

Digital Clock4 screens
LETS SIGNAL4 screens

Verdict

The call

Digital Clock and LETS SIGNAL both sit at 4.4 stars, but that hides the real split: 100% of LETS SIGNAL's written reviews are positive against 51% of Digital Clock's. LETS SIGNAL also leads on iOS requirement (15.0 vs 17). Digital Clock's advantage is ads (none vs shown) and ratings volume (1.3K vs 13). On price, rating, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Digital Clock sells 1 one-off in-app purchase and LETS SIGNAL sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Digital Clock against 4.4 for LETS SIGNAL. That said, the two scores are not equally well evidenced: Digital Clock has 1.3K ratings behind it against 13, so its average is the more settled of the two. Written reviews are what separate them: 51% of Digital Clock's written reviews are positive against 100% of LETS SIGNAL's.

UpkeepUpdate frequency

Digital Clock ships an update every 3 weeks, LETS SIGNAL every 4 months. The most recent releases landed on September 25, 2026 and September 13, 2026 respectively.

Scorecard5 real differences · 5 level
Digital Clock versus LETS SIGNAL: the parameters behind the verdict, then further details
ParameterDigital ClockLETS SIGNAL
PriceFreeFree
Rating4.4 (1.3K ratings)4.4 (13 ratings)
Positive reviews51.1% of reviews100.0% of reviews — better
Number of ratings1.3K — better13
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS1715.0 — better
Further details — not scored
Size12 MB72 MB
Age rating4+4+
DeveloperApplorium LtdMasao Nakajima

Customer experience

Digital Clock

All ratings1,288 ratings
Positive83.9%
Neutral5.7%
Negative10.4%
Written reviews45 reviews
Positive51.1%
Neutral6.7%
Negative42.2%

LETS SIGNAL

All ratings13 ratings
Positive84.6%
Neutral0.0%
Negative15.4%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Digital Clock

Reported bugs

3 issues
  • Time display issues
  • Widget only shows military time
  • Inconsistent behavior with background images

Requested features

5 requests
  • Add alarm functionality
  • Improve widget customization options
  • Allow changing time format (12-hour vs. 24-hour)
  • Introduce more free customization options
  • Add weather information display

LETS SIGNAL

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Digital Clock

One-time1
  • Unlock all features$2.99
1 purchases

LETS SIGNAL

One-time1
  • Upgrade to Premium$3.99

Questions

Is Digital Clock free?
Digital Clock is free to download, with in-app purchases available.
Is LETS SIGNAL free?
LETS SIGNAL is free to download, with in-app purchases available.
Which has better reviews, Digital Clock or LETS SIGNAL?
Digital Clock and LETS SIGNAL are both rated 4.4 out of 5 on the App Store, from 1.3K and 13 ratings respectively.
Do Digital Clock or LETS SIGNAL have ads?
LETS SIGNAL shows ads; Digital Clock does not.
Which is updated more often, Digital Clock or LETS SIGNAL?
Digital Clock ships an update every 3 weeks, and LETS SIGNAL every 4 months. Most recently, Digital Clock was updated on September 25, 2026 and LETS SIGNAL on September 13, 2026.

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