At a glance
- Latest version
- v1.0 (1)
- Updated
- Sep 4, 2025 (1 year ago)
- APK size
- 2.4 MB
- Requires
- Android 4.0.3+ (API 15)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Oct 25, 2018 (at least)
- Permissions
- 2
About this APK
Referee Whistle is an app by Persim in the Tools category, listed since at least October 2018. It has no native code, so it runs on any Android processor.
It asks for 2 permissions, none of them sensitive.
What's new in v1.0
Description
From the listing uploaded by “catappult”.
Security & authenticity
Signing certificate
- Certificate issued to “Persim” The developer's name — though anyone can put any name in a certificate.
Store checks and file details
- Developer signature verified Sep 4, 2025
- Antivirus scan passed Nov 3, 2020
- Signed byCN=Referee Whistle, OU=Persim, O=Persim, L=Vl, ST=Czech Republic, C=CZ
- Signing certificate (SHA-1)DB:2B:57:9E:16:F2:29:80:4A:B1:B5:B5:AA:68:B6:EF:B1:50:1A:9A
- File MD51de5f7ebc5b8e4c4184c842e758f710a
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
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 (2)
Referee Whistle requests 2 permissions, none of them sensitive.
- Full network access android.permission.INTERNET
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
Referee Whistle APK: questions and answers
Can I install this APK over the version I already have?
Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.
Is the Referee Whistle APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is 1de5f7ebc5b8e4c4184c842e758f710a.
