Comparison

RF vs NetLogger Companion

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RF

This app provides over 90 specialized tools for high-frequency electronics, catering to RF professionals, radio amateurs, and students. It offers calculations for PCB traces, filters, impedance, and more, with ongoing updates and new features planned.

Highlights
  • PCB Trace Width and Impedance
  • LC/L/T/Pi Match Calculation
  • Coax Cable Calculations
  • Amplifier and Attenuator Cascade
  • SWR/Reflection/Return Loss Conversion
  • Filter Design (Butterworth, Chebyshev)
  • RF Units Conversion
Read full description

Specialized on high frequency electronics for RF professionals, radio amateurs and students. RF-Toolbox is based on the popular Electronic Toolbox by Marcus Roskosch. This app contains some of the common tools of Electronic Toolbox but contains a wide range of additional tools, specialized for high frequency electronics, RF professionals, radio amateurs and students. Currently RF-Toolbox consists of more than 90 tools and like Electronic Toolbox, there are more to come over the time. Feature list: ■ PCB Trace Width (Internal and external Traces) ■ PCB Trace Resistance ■ PCB Trace Impedance (various trace types e.g. Microstrip, embedded Microstrip, Symmetric and Asymetric Stripline, Wire Microchip, Wire Stripline, Edge Coupled Microstrip and Stripline) PCB Crosstalk (Microstrip and Stripline) ■ LC L/T/Pi Match calculation ■ Coax Cable calculation (Standard and individual Types) ■ Amplifier and Attenuator cascade calculation ■ SWR / Reflection / Return loss conversion ■ Power Divider (Branchline, Ratrace and Wilkinson) ■ Capacitor Plate calculation ■ RLC Parallel, Series and Circuit calculation ■ Noise Figure conversion ■ Skin Depth calculation (various materials from Aluminum to Silver) ■ Butterworth Filter (also with plot of filter chart) ■ Chebyshev Filter (also with plot of filter chart) ■ R-C, L-C, R-L High/Low/Band-Pass Filter ■ RF Units conversion (quick conversion of frequently used units) ■ Air coil inductance calculation ■ Resistors, Capacitors, Inductors in Parallel / Series And there is much more... ■ Aktive Filter calculation tool ■ Antenna calculation tool ■ Delta Star calculation ■ Cable length / ampacity tool ■ PTC / NTC Temperature Resistance conversion ■ AC Ohms law tool ■ Zener diode circuit calculation ■ Constant current source tool ■ ASCII Table ■ Desktop calculator ■ Resistor/Capacitor/Inductor combinations tool ■ 4-20mA conversion tool ■ Passive cooling calculator ■ Audio Oscilloscope Please check out more screen shots on my website (WEBSITE Link on the left side). If you have questions, please feel free to contact me by using the Support button here, inside the App or on my website. Thank you! Marcus Roskosch

About

NetLogger Companion

This application provides amateur radio operators with real-time situational awareness by displaying active nets and check-ins. It's a user-friendly tool for mobile and portable users needing quick access to operational information without a laptop.

Highlights
  • View currently operating nets
  • Check real-time check-ins
  • Mobile and portable friendly
  • Simple and easy to use
  • Situational awareness for HAMs
Features
Read full description

NetLogger Companion is designed and developed by a HAM for HAMs. It provides situational awareness for active nets while on-the-go by allowing you to view currently operating groups and check-ins. Simple and easy to use, it's the perfect companion for mobile and portable users who don't want to break out a laptop on the road or just need a quick way view to see who's online.

Screenshots

RF4 screens
NetLogger Companion4 screens

Verdict

The call

The clearest difference is review sentiment: RF at 91% against NetLogger Companion's 44%. RF also leads on rating (4.9 vs 4.0) and iOS requirement (11.1 vs 15.0). NetLogger Companion's advantage is price (Free vs $7.99) and update cadence (fortnightly vs every 4 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

NetLogger Companion is free to download; RF costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

RF holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 22 and 34 respectively. Written reviews point the same way: 91% of RF's written reviews are positive against 44% of NetLogger Companion's.

UpkeepUpdate frequency

RF ships an update every 4 months, NetLogger Companion fortnightly. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

Scorecard6 real differences · 4 level
RF versus NetLogger Companion: the parameters behind the verdict, then further details
ParameterRFNetLogger Companion
Price$7.99Free — better
Rating4.9 (22 ratings) — better4.0 (34 ratings)
Positive reviews91.1% of reviews — better44.4% of reviews
Number of ratings2234 — better
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.1 — better15.0
Further details — not scored
Size92 MB81 MB
Age rating4+4+
DeveloperMarcus RoskoschAndrew Pearson

Customer experience

RF

All ratings22 ratings
Positive95.5%
Neutral0.0%
Negative4.5%
Written reviews45 reviews
Positive91.1%
Neutral4.4%
Negative4.4%

NetLogger Companion

All ratings34 ratings
Positive70.6%
Neutral8.8%
Negative20.6%
Written reviews18 reviews
Positive44.4%
Neutral11.1%
Negative44.4%

In-app purchases

None

RF

No in-app purchases

None

NetLogger Companion

No in-app purchases

Questions

Is RF free?
RF costs $7.99, with no in-app purchases.
Is NetLogger Companion free?
NetLogger Companion is free to download, with no in-app purchases.
Which has better reviews, RF or NetLogger Companion?
RF is rated higher. RF averages 4.9 out of 5 from 22 ratings, while NetLogger Companion averages 4.0 from 34 ratings.
Do RF or NetLogger Companion have ads?
Neither RF nor NetLogger Companion shows ads.
Which is updated more often, RF or NetLogger Companion?
RF ships an update every 4 months, and NetLogger Companion fortnightly. Most recently, RF was updated on October 19, 2026 and NetLogger Companion on October 15, 2026.

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