Signal Light

1.0.5

Bryan Wu

4.00

1 reviews

$0.99

Download from the App Store

About Signal Light

Signal Light is an utilities app developed by Bryan Wu.

What is the rating of Signal Light?

Signal Light is rated 4.00 out of 5 stars, based on one rating ratings.

Is Signal Light free?

Signal Light costs $0.99 to download. The download size is 20.85 MB. The latest version available is 1.0.5. The last update was on May 28, 2026.

What are the requirements for Signal Light?

The app has a content rating of Everyone. The app has been available on App Store November 2015.

Description

Note: Your device must have a flash to use this app!

Camper, Sailor, Soldier, Spy

A handy tool for campers, scouts, boaters (and yes, spies)!

Use it to communicate with distant friends using Morse code, tap out a beat for a human-powered strobe light, or get the attention of rescuers.

This app is based on the old mechanical “signal lamp” which is a manually-controled shuttered spotlight used on warships to communicate securely while maintaining radio silence.

Modern navies still use signal lamps, but now use infrared wavelengths and night vision goggles!

Extra fun:

Put a paper towel tube on the flash to make a tight spotlight and you’ve got a line-of-sight communication tool that only you and your partner can see.

p.s. SOS is . . . – – – . . .

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More data about Signal Light

Price	$0.99
Rating	4.00 based on a single rating
Ranking	Not ranked
Version	1.0.5
App download size	20.8 MB
Suitable for	Everyone

Alternative downloads for the Signal Light app

Changelog of Signal Light

No changelog data

Developer information for Bryan Wu

Bryan Wu

Address:

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Technologies used by Signal Light

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