
At a glance
- Latest version
- v6.5.6 (6506)
- Updated
- Aug 4, 2026 (2 months ago)
- APK size
- 13.4 MB
- Requires
- Android 8.0+ (API 26)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- May 24, 2021 (at least)
- Permissions
- 20 (5 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Kalendář CZ is an app by Alteris in the Tools category, listed since at least May 2021. It has no native code, so it runs on any Android processor.
Since version 5.0.5, the APK grew from 6.9 MB to 13.4 MB and the minimum Android version rose from 5.0 to 8.0. It asks for 20 permissions, 5 of them sensitive, including precise location, read contacts and approximate location. It asks for the same permissions as version 6.5.5. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.
What's new in v6.5.6
Description
From the listing uploaded by “appupdater”.
Version history
6 versions are listed, going back to v5.0.5. Since v6.5.0 it requires Android 8.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Aug 4, 2026.
- Certificate issued to “Alteris” 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 Aug 4, 2026
- Validated against Google Play Aug 4, 2026
- Signed byCN=Alteris App, OU=Android, O=Alteris, C=SK
- Signing certificate (SHA-1)EB:45:BA:FB:19:3A:AE:0D:1B:4B:07:89:E1:CD:30:78:54:87:3D:A4
- File MD58afafcb3e20053f60703a8873ae3b0ae
- 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 (20)
Kalendář CZ requests 20 permissions, 5 of them sensitive.
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Read calendar Sensitive android.permission.READ_CALENDAR
- Read contacts Sensitive android.permission.READ_CONTACTS
- Write calendar Sensitive android.permission.WRITE_CALENDAR
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Advertising ID com.google.android.gms.permission.AD_ID
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) sk.alteris.app.kalendarcz.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- Run foreground services android.permission.FOREGROUND_SERVICE
- Schedule exact alarms android.permission.SCHEDULE_EXACT_ALARM
- Show notifications android.permission.POST_NOTIFICATIONS
- Use exact alarm android.permission.USE_EXACT_ALARM
- 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
Kalendář CZ APK: questions and answers
Is there a version of Kalendář CZ for older Android phones?
The current version needs Android 8.0 or later. Version 5.5.2 is the newest listed build that installs on Android 6.0 and later. Get version 5.5.2 · 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 Kalendář CZ free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Kalendář CZ 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 8afafcb3e20053f60703a8873ae3b0ae.