App Intel

PerfER - Network Diagnostics

LiveNitmar1 app · 149 installsToolsFreefm.mrc.perfer

Network diagnostics, Wi-Fi analysis, speed tests, DNS, IP and signal tools.

Alert me★ WatchOpen in Play ↗
Total installs
149
exact · Play shows 100+
Installs / day
0
since last crawl
Rating
—★
— ratings · — reviews
Released
30 Apr 2026
5mo ago
Last update
14 Aug 2026
v3.0.0 · 2mo ago
Countries
—
not checked yet

Install history

exact counter from Google Play
145.5159.2172.8186.420010 Oct11 Oct12 Oct
145.5159.2172.8186.420010 Oct11 Oct12 Oct

Installs per day · last 90 days

00.30.50.8111 Oct12 Oct12 Oct11 Oct: 012 Oct: 0

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • Shares data with third parties App info and performance and Device or other IDs
  • Collects data App info and performance and Device or other IDs
  • Data is encrypted in transit
  • No way to ask for data deletion

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

12 in 5 groups
2 Sensitive6 Notable4 Routine

What this app can do with your phone

  • Know roughly where you are, using mobile towers and Wi-Fi networks
  • Know your exact location using GPS, Wi-Fi and mobile networks
LocationSensitive2

Access to where your device is, using GPS or network signals

  • Know roughly where you are, using mobile towers and Wi-Fi networksapproximate location (network-based) · ACCESS_COARSE_LOCATION
  • Know your exact location using GPS, Wi-Fi and mobile networksprecise location (GPS and network-based) · ACCESS_FINE_LOCATION
PhoneNotable1

Access to phone calls, call history, and voicemail

  • See your phone number, device IDs, whether a call is active, and the other caller's numberread phone status and identity · READ_PHONE_STATE
Device ID & call informationNotable1

Access to your phone's identifiers, mobile network details, and call status

  • See your phone number, device IDs, whether a call is active, and the other caller's numberread phone status and identity · READ_PHONE_STATE
Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

  • See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE
OtherNotable7

Access to miscellaneous device features that don't fit other categories

  • Change how your phone connects to networks, like switching connections on or offchange network connectivity · CHANGE_NETWORK_STATE
  • Connect to or disconnect from Wi-Fi networks and change saved Wi-Fi settingsconnect and disconnect from Wi-Fi · CHANGE_WIFI_STATE
  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
PerfER is a network diagnostics toolkit for analyzing connection quality, Wi-Fi performance, internet speed, DNS behavior, IP information, and signal conditions on Android devices. Use PerfER to inspect and troubleshoot network issues with a practical set of tools designed for real-world testing and diagnostics. Main features: • Internet speed testing • Wi-Fi analysis and connection details • IP address and network information • DNS lookup and diagnostics • Signal and mobile network inspection • Ping and connectivity checks • Network quality measurements • Diagnostic result export and sharing PerfER helps identify unstable connections, poor Wi-Fi conditions, DNS issues, signal problems, and other network-related bottlenecks. It is suitable for everyday troubleshooting, home network checks, and technical diagnostics. The app focuses on utility and analysis rather than entertainment or communication. Some features may require system permissions such as location, phone state, or camera access in order to retrieve technical network information or use specific tools. Permissions are only used for the corresponding app functions. PerfER is designed for users who want a compact and capable network utility for measuring, inspecting, and understanding how their device is connected.

What's new

PerfER 3.0 is a major interface and network diagnostics update. • Redesigned tools with a consistent interface • Improved Ping, Packet Loss Monitor, Traceroute and WinMTR • Updated DNS Benchmark, VPN Leak Test, Port Scanner, Route Mapper and WHOIS • More informative results and compact history • PDF/JPG report export • Improved IP widget reliability • Performance, stability and bug fixes

Growing in Tools

Category →