Zero Frequency

Gianni Zanone · zerofrequency.generator

Not rated yet 1.4K downloads v2.91 95.7 KB Android 2.1+ PEGI 12 · Low Maturity

Download APK 95.7 KB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.91 (21)
Updated: Dec 15, 2014 (11 years ago)
APK size: 95.7 KB
Requires: Android 2.1+ (API 7)
CPU support: Any (no native code)
Category: Education (app)
Permissions: 2 (2 sensitive)
Website: giannizanone.altervista.org
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Zero Frequency is an app by Gianni Zanone in the Education category. It has no native code, so it runs on any Android processor.

It asks for 2 permissions, 2 of them sensitive: record audio and modify shared storage. Compared with version 2.7, it adds 1 new permission: “Modify shared storage”.

What's new in v2.91

faster spectrum analyzer.

Description

From the listing uploaded by “apps”.

Zero Frequency is a tone generator (sine wave and square wave) and minimal signal analyzer with fancy user interface for android. The main purpose of Zero Frequency is to search and play resonance frequencies. This app is not intended for professional use. Zero frequency cannot generate frequencies in infrasound range or ultrasonic range due to device hardware limitations. Tone generator: setup frequency,time and waveform. Make sure frequency is less then half samplerate. The maximum time depends on device memory. Frequency analyzer: click R or use app menu to open frequency analyzer. The app is free and have no ads or annoying banners.

Version history

2 versions are listed, going back to v2.7.

v2.91 LATEST Dec 15, 2014 95.7 KB TRUSTED v2.7 Mar 15, 2014 88.9 KB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Dec 15, 2014.
Certificate issued to “Gianni Zanone” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Dec 15, 2014
Validated against Google Play Dec 15, 2014
Antivirus scan passed Nov 28, 2020
Signed byCN=Gianni Zanone, L=Udine, ST=Udine, C=IT
Signing certificate (SHA-1)8F:E1:80:9A:F5:F7:F4:A6:F6:C4:8A:D3:0D:9B:17:0E:6C:8D:28:80
File MD5fb2de2c9d85d7fc8d14888f4c8de2364
Uploaded by “apps” Platinum tier · 3,423,810 followers · uploading since 2010

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (2)

Zero Frequency requests 2 permissions, 2 of them sensitive.

Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO

Required hardware & features

Microphone android.hardware.microphone
Touchscreen android.hardware.touchscreen

Zero Frequency 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 Zero Frequency 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 other version checked. After downloading, check that the file's MD5 is fb2de2c9d85d7fc8d14888f4c8de2364.