RF Calculator & Smith Chart

LiveAnas Abubakar16 apps · 2.4M installsToolsFree · contains adsIn-app purchases: $2.39 per itemcom.saulawa.electronics.rftoolbox

RF Calculator: Smith Chart, VSWR, Link Budget, Antenna & Microwave Design Tools

Alert me★ WatchOpen in Play ↗
Total installs
1,296
exact · Play shows 1,000+
Installs / day
+6
7-day avg · last day +6
Rating
—★
— ratings · — reviews
Released
26 Mar 2026
7mo ago
Last update
13 Sept 2026
v1.3.1 · 31d ago
Countries
—
not checked yet

Installs per day

gain of the exact counter
0510152011 Oct12 Oct13 Oct

Lifetime avg ≈ 6/day (all installs ÷ days since release)

Daily tracking since 10 Oct 2026 · history grows every day

Install history

exact counter from Google Play
1,2751,2801,2851,2901,2951,30010 Oct12 Oct13 Oct
02505007501,0001,2501,50026 Mar10 Oct13 Oct

Dashed: estimate from the release date (no daily data before 10 Oct 2026) · time axis compressed before that day

Daily tracking since 10 Oct 2026 · history grows every day

Change timeline

Full history

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 Location, App info and performance, and Device or other IDs
  • Collects data Location
  • 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

4 in 1 group
0 Sensitive1 Notable3 Routine
OtherNotable4

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

  • 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
Electronics Toolbox: RF is the ultimate all-in-one RF calculator and microwave engineering suite. Designed for hardware engineers, radio technicians, and students, this app streamlines complex calculations for wireless communication and circuit design. From impedance matching with an interactive Smith Chart to calculating link budgets and path loss, this app replaces dozens of spreadsheets with a single, high-precision mobile utility. Here is a more ASO-focused version for Play Store, while still sounding natural: RF Engineer Toolkit – RF, Microwave & Antenna Calculator RF Engineer Toolkit is a powerful RF and microwave calculator app for engineers, students, technicians, ham radio operators, and wireless professionals. It brings together essential radio frequency design, transmission line, antenna, impedance matching, and filter tools in one easy-to-use app. Core RF & Microwave Tools System Analysis Calculate link budget, EIRP, Friis transmission, radar maximum range, and path loss. Includes popular path loss models such as FSPL and Hata for wireless and network planning. Impedance & VSWR Convert VSWR, return loss, reflection coefficient, and S11 quickly. Use stub tuner and quarter-wave transformer tools for RF impedance matching. Filter Design Design Butterworth, Chebyshev, and RLC filters with ease. Visualize circuit response using built-in Bode plot tools. Antenna Design Design Yagi-Uda arrays and microstrip patch antennas. Calculate antenna gain, beamwidth, and other important antenna parameters. Transmission Lines Use precise calculators for coax cable, microstrip, rectangular waveguide, and cylindrical waveguide analysis. Circuit Analysis Work with Pi attenuator, T attenuator, cascaded noise figure, skin depth, and series or parallel RLC resonance calculations. Component & Passive Tools SMD Codes Identify SMD resistor and capacitor values instantly. Inductor Design Calculate air-core, toroid, multilayer, and spiral inductors for RF and electronics projects. Conversions Convert power to dBm, frequency to wavelength, and calculate inductive and capacitive reactance (XL, XC). Why Choose RF Engineer Toolkit? Professional Grade Built with industry-standard formulas for accurate RF and microwave calculations. Interactive Smith Chart Visualize complex impedance, matching networks, and RF behavior in real time. Offline Capability Perform important RF calculations anywhere without an internet connection. Clean UI Focus on engineering data with a clear, intuitive, and professional interface. Whether you work in 5G, ham radio, IoT, satellite communications, RF design, microwave engineering, or wireless systems, RF Engineer Toolkit gives you the essential tools you need in one app.

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