Network Tools

Network Tools, Calculators and Speed Test

KARELab · com.kareller.networktools

5.0 out of 5 (3 ratings) 10K+ downloads v1.1.21 5.1 MB Android 6.0+ PEGI 3 · Everyone

Download APK 5.1 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.1.21 (31)
Updated: Jul 31, 2026 (2 months ago)
APK size: 5.1 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Mar 21, 2023 (at least)
Permissions: 15 (2 sensitive)
Website: kareller.com
Developer contact: [email protected]

About this APK

Network Tools is an app by KARELab in the Tools category, listed since at least March 2023. It has no native code, so it runs on any Android processor.

Since version 1.1.12, the APK shrank from 7.6 MB to 5.1 MB and the minimum Android version rose from 5.0 to 6.0. It asks for 15 permissions, 2 of them sensitive: precise location and modify shared storage. Compared with version 1.1.19, it adds 2 new permissions: “Precise location” and “Change wifi multicast state”. The app can read the advertising ID that ad and analytics services use.

What's new in v1.1.21

- Improvements

Description

From the listing uploaded by “appupdater”.

Network Tools is an application built with the goal of making it easier for millions of users and IT personnel. It is a must-have application with free additional tools like Internet Speed Test, Wi-Fi browser, port test, DNS query, ping and service monitoring and network-side calculations. Network Tools includes the following features: Tools - Speed Test - Network Discovery - LAN Port Scanner - Ping Test - Port Forwarding Test - WAN Port Scanner - What is my IP? - WHOIS Information - IP Lookup - DNS Lookup - Blacklist Checker Network and WiFi Calculations - IPv4 Calculator - IPv6 Calculator - Loss of free space - Power Budget Calculator - System Performance Calculator - Fresnel Area Calculator - mW - dBm Converter Knowledge Base - Modem Default Login Information - MAC Vendors - Rj45 Cable Wiring

Version history

4 versions are listed, going back to v1.1.12. Since v1.1.18 it requires Android 6.0+.

v1.1.21 LATEST Jul 31, 2026 5.1 MB TRUSTED v1.1.19 Jul 20, 2026 10.2 MB TRUSTED v1.1.18 Mar 28, 2026 10.2 MB TRUSTED v1.1.12 Jan 16, 2026 7.6 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 31, 2026.
Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
Same certificate as the 3 other versions checked

Store checks and file details

Developer signature verified Jul 31, 2026
Validated against Google Play Jul 31, 2026
Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)50:D7:3F:4F:E5:EB:65:04:EB:2B:8B:92:93:15:11:13:8C:B3:F3:65
File MD527e0efb4fb3de581f2d813469c9bc588
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 (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (15)

Network Tools requests 15 permissions, 2 of them sensitive.

Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Change wifi multicast state android.permission.CHANGE_WIFI_MULTICAST_STATE
Change wifi state android.permission.CHANGE_WIFI_STATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) com.kareller.networktools.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Location android.hardware.location
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

Network Tools APK: questions and answers

Is there a version of Network Tools for older Android phones?

The current version needs Android 6.0 or later. Version 1.1.12 is the newest listed build that installs on Android 5.0 and later. Get version 1.1.12 · 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 Network Tools 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 3 other versions checked. After downloading, check that the file's MD5 is 27e0efb4fb3de581f2d813469c9bc588.