Now available for Android

Your silent guardian in danger

Mwangaza disguises itself as a calculator. When you're in danger, press + three times to silently send your GPS location to trusted contacts. No one will know it's a safety app.

๐Ÿ”’ Looks like a calculator
9:41 โ—โ—โ—
617 + 617 =
1234
AC
+/-
%
รท
7
8
9
ร—
4
5
6
โˆ’
1
2
3
+
0
.
=
3ร—
Press + to trigger SOS
5s
Cancel window
GPS
Live location shared
30s
Audio recorded silently
100%
Free to use
Everything you need.
Nothing they can see.

Designed for real emergencies where drawing attention to your phone could make things worse.

๐Ÿ”ข
Stealth calculator
Looks and works like a real calculator. No Mwangaza branding visible. Even the app name on your phone says "Calculator".
๐Ÿ“
GPS location sharing
Your exact coordinates are sent instantly with a Google Maps link so your contacts can find you immediately.
๐Ÿ“ฑ
SMS + In-app alerts
Contacts get an SMS with your location. If they also use Mwangaza, a loud in-app alarm wakes their phone immediately.
๐ŸŽ™๏ธ
Silent audio recording
After triggering SOS, the app silently records 30 seconds of audio and uploads it securely as evidence.
๐Ÿ”
Secret code unlock
Type your secret number on the calculator and press = to access your dashboard. No fingerprint, no face ID โ€” just your code.
๐ŸŽจ
Custom app icon
Choose from 10 unique icon designs so your installation looks different from everyone else's.
Simple when it matters most
01
Download & set up
Enter your alias, a secret number code, and add at least one trusted contact who will receive your alerts.
02
It hides as a calculator
Close the app. It now looks exactly like a calculator on your home screen. Use it normally for math.
03
Trigger SOS silently
In danger? Press the + key three times quickly. The alert fires instantly and the app returns to calculator view.
04
Help is notified
Your contacts receive an SMS and in-app alarm with your GPS location and a Google Maps link to find you.
Built for those facing
gender-based violence

Gender-based violence often happens in situations where the victim cannot safely call for help or draw attention. Mwangaza was built specifically for these moments โ€” a way to reach out without anyone knowing.

Whether you're facing domestic violence, harassment, or any threatening situation, Mwangaza gives you a silent, reliable way to alert people who care about you.

๐Ÿ†˜ Emergency hotlines (Kenya)

999
Kenya Police
1195
Gender Violence Hotline (24/7, free)
116
Childline Kenya
0800 720 960
SGBV Free Hotline
1 in 3
Women in Kenya have experienced physical or sexual violence
45%
Of GBV cases go unreported due to fear or lack of access to help
72%
Of victims say having someone to call immediately would have helped
Free
Mwangaza is completely free and always will be

Download Mwangaza

Free for Android. No account needed to install โ€” set up takes less than 2 minutes. Share with someone you trust.

Android 5.0+ required โ€ข ~15MB โ€ข No ads โ€ข No tracking

To install: Enable "Install from unknown sources" in your Android settings, then open the downloaded file.