
39C3 Schedule
The 39C3 Schedule app (Dec 27-30) for the CCC in Hamburg on your Android device
Tobias Preuss · info.metadude.android.congress.schedule
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.77.1 (121)
- Updated
- Jul 30, 2026 (2 months ago)
- APK size
- 7.9 MB
- Requires
- Android 6.0+ (API 23)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Events (app)
- Listed since
- Dec 21, 2024 (at least)
- Permissions
- 8
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
39C3 Schedule is an app by Tobias Preuss in the Events category, listed since at least December 2024. 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 1.74.1, the minimum Android version rose from 5.0 to 6.0. It asks for 8 permissions, none of them sensitive. It asks for the same permissions as version 1.77.0.
What's new in v1.77.1
Description
From the listing uploaded by “appupdater”.
Version history
5 versions are listed, going back to v1.74.1. New versions arrive here every few months. Since v1.76.0 it requires Android 6.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jul 30, 2026.
- Certificate issued to “Freelancer” 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 30, 2026
- Validated against Google Play Jul 30, 2026
- Signed byCN=Tobias Preuss, OU=Android Development, O=Freelancer, L=Berlin, ST=Berlin, C=DE
- Signing certificate (SHA-1)C1:DE:CB:09:48:DC:95:92:BF:00:42:66:B1:F4:0A:85:3A:F0:54:F7
- File MD5937538fd3aa7b16e8a29f925b27f78d9
- 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 (8)
39C3 Schedule requests 8 permissions, none of them sensitive.
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) info.metadude.android.congress.schedule.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- Schedule exact alarms android.permission.SCHEDULE_EXACT_ALARM
- Show notifications android.permission.POST_NOTIFICATIONS
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
39C3 Schedule APK: questions and answers
Is there a version of 39C3 Schedule for older Android phones?
The current version needs Android 6.0 or later. Version 1.74.2 is the newest listed build that installs on Android 5.0 and later. Get version 1.74.2 · 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 the 39C3 Schedule 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 937538fd3aa7b16e8a29f925b27f78d9.