O!strzegator

Current information about important events

komunikaty.info.pl · com.bigajwcislo.ostrzegator

5.0 out of 5 (1 rating) 50K+ downloads v4.1.1.2 9.5 MB Android 6.0+ PEGI 3 · Everyone

Download APK 9.5 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v4.1.1.2 (427)
Updated: Jul 28, 2026 (2 months ago)
APK size: 9.5 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Communication (app)
Listed since: Feb 20, 2021 (at least)
Permissions: 11 (4 sensitive)
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

O!strzegator is an app by komunikaty.info.pl in the Communication category, listed since at least February 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 4.0.4.8, the minimum Android version rose from 5.1 to 6.0. It asks for 11 permissions, 4 of them sensitive, including precise location, location in the background and camera. It asks for the same permissions as version 4.1.1.1.

What's new in v4.1.1.2

Uaktualnienie

Description

From the listing uploaded by “appupdater”.

Do you want to be kept informed about important events related to the place where you are or the places that interest you (your house, the house parents, place of recreation for children, etc.)? The application acting on your phone can keep you informed: - The threat of flood, hurricanes, gradobiciu and other weather anomalies. - On avalanche risk. - About planned outages of water, electricity, gas etc. - About traffic incidents, causing major traffic restrictions. - Changes in communication. - On other cases monitored by the crisis centers. - Cultural events. Using the application does not require activation, creating an account, enter personal data and telephone number. It works immediately after installation! Ostrzegator application does not send and does not collect any personal information such as phone number, your location and the places that interest you, contact list, etc. It is free and does not transmit any advertising. Messages that you arrive, are assigned to different categories. You can select all or only those categories that interest you. You can receive messages addressed to the place where you are. You can also define important to you place and receive messages even when you are not there.

Version history

3 versions are listed, going back to v4.0.4.8. Since v4.1.1.2 it requires Android 6.0+.

v4.1.1.2 LATEST Jul 28, 2026 9.5 MB TRUSTED v4.1.1.1 Dec 16, 2025 7.9 MB TRUSTED v4.0.4.8 Jun 4, 2024 7.5 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 28, 2026.
Certificate issued to “BigajWcislo” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jul 28, 2026
Validated against Google Play Jul 28, 2026
Signed byCN=Ostrzegator, OU=Ostrzegator, O=BigajWcislo, L=Cracow, ST=Malopolska, C=PL
Signing certificate (SHA-1)E1:9F:80:2B:F9:90:E5:3D:FB:5C:C9:25:34:ED:A8:74:A2:43:11:AB
File MD566b50f1406a4d04e8c8f3c6365c23c37
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (11)

O!strzegator requests 11 permissions, 4 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Camera Sensitive android.permission.CAMERA
Location in the background Sensitive android.permission.ACCESS_BACKGROUND_LOCATION
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) com.bigajwcislo.ostrzegator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Location android.hardware.location
Portrait screen android.hardware.screen.portrait

O!strzegator APK: questions and answers

Is there a version of O!strzegator for older Android phones?

The current version needs Android 6.0 or later. Version 4.1.1.1 is the newest listed build that installs on Android 5.1 and later. Get version 4.1.1.1 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the O!strzegator APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 66b50f1406a4d04e8c8f3c6365c23c37.