39C3 Schedule app icon

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

5.0 out of 5 (1 rating) 10K+ downloads v1.77.1 7.9 MB Android 6.0+ PEGI 12 · Low Maturity

  • 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
Website
github.com/EventFahrplan/EventFahrplan
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

v.1.77.1 ✓ Fix snackbars not being swipe-dismissible. ✓ Fix double marking of time column segments. ✓ Fix multiple day menu entries being marked as "today". ✓ Adjust multi-select and navigation button colors. ✓ Fix crash when launching the app with webserver supporting zstd.

Description

From the listing uploaded by “appupdater”.

Conference program for 39C3: Power Cycles The 39th Chaos Communication Congress (39C3) takes place in Hamburg on 27–30 Dec 2025, and is the 2025 edition of the annual four-day conference on technology, society and utopia organized by the Chaos Computer Club (CCC) and volunteers. Congress offers lectures and workshops and various events on a multitude of topics including (but not limited to) information technology and generally a critical-creative attitude towards technology and the discussion about the effects of technological advances on society. Starting in 1984, Congress has been organized by the community and appreciates all kinds of participation. You are encouraged to contribute by volunteering, setting up and hosting hands-on and self-organized events with the other components of your assembly or presenting your own projects to fellow hackers. https://events.ccc.de/congress/2025/ App features: ✓ View program by day and rooms (side by side) ✓ Custom grid layout for smartphones (try landscape mode) and tablets ✓ Read detailed descriptions (speaker names, start time, room name, links, ...) of sessions ✓ Search and filter through all sessions ✓ Add sessions to favorites list ✓ Export favorites list ✓ Setup alarms for individual sessions ✓ Add sessions to your personal calendar ✓ Share a website link to an session with others ✓ Keep track of program changes ✓ Automatic program updates (configurable in settings) ✓ Vote and leave comments on talks and workshops ✓ Automatically open sessions from web links ✓ Integration with the c3nav indoor navigation project https://c3nav.de ✓ Integration with the Engelsystem project https://engel.events.ccc.de - Online tool for coordinating helpers and shifts on large events ✓ Integration with the Chaosflix https://github.com/NiciDieNase/chaosflix - Android app for http://media.ccc.de, share Fahrplan favorites with Chaosflix to import them as bookmarks 🔤 Supported languages: (Session descriptions excluded) ✓ Danish ✓ Dutch ✓ English ✓ Finnish ✓ French ✓ German ✓ German, Austria ✓ Italian ✓ Japanese ✓ Lithuanian ✓ Polish ✓ Portuguese, Brazil ✓ Portuguese, Portugal ✓ Russian ✓ Spanish ✓ Swedish ✓ Turkish 🤝 You can help to translate the app at: https://crowdin.com/project/eventfahrplan 💡 Questions regarding the content can only be answered by the content team of the Chaos Communication Congress (CCC). This app simply offers a way to consume and personalize the conference schedule. 💣 Bug reports are very welcome. It would be awesome if you can describe how to reproduce the particular error. Please use the GitHub issue tracker https://github.com/EventFahrplan/EventFahrplan/issues. 🎨 39C3 Power Cycles. Design by Nina Bender and Bernd Volmer

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+.

All 5 versions

Security & authenticity

Security rating: Trusted

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.

Required hardware & features

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.

Tags

More Events apps