Presentation Timer
This is a simple timer application for your presentation.
Takuya Murakami · org.tmurakam.presentationtimer
- The source store flagged this file with a security warning Details
At a glance
- Latest version
- v2.0.1 (5)
- Updated
- Dec 9, 2025 (10 months ago)
- APK size
- 2.4 MB
- Requires
- Android 4.0.3+ (API 15)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Jun 9, 2023 (at least)
- Permissions
- 7
- Website
- apps.tmurakam.org
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Presentation Timer is an app by Takuya Murakami in the Tools category, listed since at least June 2023. It has no native code, so it runs on any Android processor.
It asks for 7 permissions, none of them sensitive.
What's new in v2.0.1
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Dec 9, 2025.
- Certificate issued to “tmurakam.org” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature check failed Aug 29, 2026
- Validated against Google Play Dec 9, 2025
- Signed byCN=Takuya Murakami, OU=Development, O=tmurakam.org, L=Kawasaki, ST=Kanagawa, C=jp
- Signing certificate (SHA-1)44:60:82:E2:8E:43:25:5F:A9:18:A3:D5:BF:3F:58:DF:DF:6F:84:5B
- File MD5007e86538b3c6f48bf25dfbf132d438c
- 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. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (7)
Presentation Timer requests 7 permissions, none of them sensitive.
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Push messaging (app-defined) org.tmurakam.presentationtimer.permission.C2D_MESSAGE
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
Presentation Timer APK: questions and answers
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 Presentation Timer APK safe?
No one can promise that a file is safe, but some things can be checked. The source store flagged this file with a security warning. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 007e86538b3c6f48bf25dfbf132d438c.
