bnClock vs LETS SIGNAL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
bnClock
This app displays the time with exceptionally large numbers, ideal for nighttime viewing or as a travel alarm. It also offers current weather information and customizable alarm sounds, including music from your library. Personalize your experience with custom background colors or photos.
- Extra-large number display
- Built-in alarm clock
- Current weather and forecast
- Customizable alarm sounds
- Photo or slideshow backgrounds
- Customizable background colors
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Do you ever have trouble reading the clock in the middle of the night? bnClock (big numbers clock) provides the largest numbers your iPhone or iPad will allow. Great to use as travel alarm clock. Also a great use for an old iPhone or iPad. bnClock displays the current weather conditions and the forecast based on your current location. If you prefer, choose a particular location for the forecast. Or, turn off the weather display. Choose a built-in alarm sound, or a song from your music library to use for the alarms. Now with custom background colors, or, use a photograph or slide show as a background.
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.
- 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
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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
Verdict
The clearest difference is review sentiment: LETS SIGNAL at 100% against bnClock's 55%. LETS SIGNAL also leads on rating (4.4 vs 3.9). bnClock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence 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. LETS SIGNAL sells 1 one-off in-app purchase. bnClock asks for nothing beyond the download.
LETS SIGNAL holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 35 and 13 respectively. Written reviews point the same way: 55% of bnClock's written reviews are positive against 100% of LETS SIGNAL's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.
| Parameter | bnClock | LETS SIGNAL |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (35 ratings) | 4.4 (13 ratings) — better |
| Positive reviews | 55.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 35 — better | 13 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 16 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Jim Calvin | Masao Nakajima |
Customer experience
bnClock
LETS SIGNAL
In-app purchases
bnClock
No in-app purchases
LETS SIGNAL
- Upgrade to Premium$3.99
