YellowSafe Lite -against crime

イエローセーフ制作委員会

About this app

Your personal safety app — free, no ads, no data collected.

One tap activates the personal alarm. One tap calls your emergency contact. One tap turns on the flashlight. Your real-time location and address are always on screen — now with improved accuracy in rural areas and overseas.

Built for women walking alone at night, students on campus, solo travelers, and anyone who wants to feel safer every day.


(1) Personal Alarm (3 types)
Tap SOS to activate. Tap again to stop. Volume adjustable.
(2) Emergency Call
Instantly calls your pre-registered emergency contact.
(3) Flashlight (4 types)
Tap to turn on/off. SOS light mode included.
(4) Real-Time Location & Address (improved accuracy)
Current map and address displayed instantly.
Major accuracy improvements in rural areas and overseas.


Alarm, call, and flashlight fully customizable in settings.


Japanese, English, 中文(简体), Español, Français, Portuguesa, Tiếng Việt
Auto-detected from device settings. Unsupported languages default to English.
Translation: NICT "Minna no Jido Honyaku @ TexTra®"

[Privacy Policy]
https://yellowsafe.web.app/policy/privacypolicy.html
[Terms of Service]
https://yellowsafe.web.app/lite/regulation/TermOfService_free.html

[About YellowSafe Production Committee]
- The world is made by everyone's work -
We provide safe, secure, and comfortable living through smartphone apps.
https://www.yellowsafe.net
Bluesky: @yellowsafe.net

What’s new

Minor improvements (OS upgrade support, etc.)