Comparison

RF vs Network Toolbox Net security

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

Network Toolbox Net security

Analyze local and public networks for security issues and misconfigurations with over 50 tools. Features include IP scanning, port scanning, exploit tests, and SHODAN integration to expose online devices.

Highlights
  • WiFi Network IP scanning
  • Port scanning
  • SHODAN scan engine
  • Security exploit tests
  • Device information
  • NS-Lookup with domain info
  • Visual Traceroute
Features
Read full description

*** THE ORIGINAL - NetworkToolbox *** Read the Manual at: https://www.networktoolbox.de/ios-manual/ This App with its 50+ individual Tools helps to analyse local or public networks for security issues or wrong configurations. It provides various scanning options such as WiFi Network IP scanning, Port scanning and integrates the SHODAN scan engine, Security exploit tests and more. Feature summary: DEVICE INFORMATION ■ Device and public IP Address ■ Network interfaces (WiFi, 3G/4G) SHODAN AND MORPHEUS SEARCH ■ Expose online devices ■ Search by keyword, country, port, network, hostname MAP SEARCH ■ Search and expose online devices for on a given location NS-LOOKUP with DOMAIN INFORMATION ■ Provides information for a certain domain or ip ■ Provide information about the number of attacks (ISC) ■ Location of IP or Host display on a map ■ DNS records such as MX, A, TXT etc. WIFI NETWORK SCAN ■ Discover all devices on your network ■ Including IP, MAC, Vendor, Network Name PING ■ Ping IP or domain ■ Show Errors and RTT ■ Display results graphically WHOIS ■ Find out who is behind a certain domain DNS ■ Query ANY! DNS Server ■ See DNS record information such as A,TXT,CNAME,MX,SOA etc. ■ See and compare DNS Server response times VISUAL TRACEROUTE ■ Analyze how packets get to their destination SOCKETS ■ Socket analysis and terminal tool ■ Predefined protocols for Telnet, FTP, HTTP, POP3 and IMAP ■ Inspect server responses ■ Send arbitrarily data to the server FTP and SFTP CLIENT ■ Browse remote directory tree ■ Direct file viewing ■ File and directory operations ■ Upload and download of multiple files to device ■ Default password list check of FTP server ■ Public / Private Key support (New!) SSH CLIENT ■ Terminal client for SSL ■ Default password list check of server SFTP CLIENT ■ Same functionality as FTP MAC ADDRESS DB ■ Find out which vendor is responsible for which MAC address and v/v IP CALCULATION ■ Calculate net-masks, first-,last- addresses etc. HTTP BROWSER ■ Site Default password check ■ Possibility to select user agents from Blackberry over Firefox, IE, Safari and iOS ■ Display source code, plain text or hirachically browse XML SPIDER ■ Crawl website and collect all contained links ■ Analyze robots.txt ■ Both, websites and disallows robots content can be further analyzed BLUETOOTH ■ Scan and reveal Bluetooth LE devices CERTIFICATES ■ Inspect Server (e.g. HTTPS) certificates in a readable format BONJOUR and UPnP ■ Scan and discover Bonjour or UPnP services MAIL SERVER CHECK ■ Analyze issues with your mail settings LOCAL FILES ■ Handle files downloaded via FTP or SFTP or HTTP (New!) ■ File and directory operations ■ File viewer (PDF, Text, Image, HTML) ■ Open files in other apps, installed on your device ■ Send file via E-Mail HELP TEXTS ■ Each tool has a detailed description of their purpose and how to use Subscribe to access to premium app features; subscription details are the following: • Length: weekly, monthly, yearly • Your payment will be charged to your iTunes Account as soon as you confirm your purchase • You can manage your subscriptions and turn off auto-renewal from your Account Settings after the purchase • Your subscription will renew automatically, unless you turn off auto-renew at least 24 hours before the end of the current period • The cost of renewal will be charged to your account in the 24 hours prior to the end of the current period • When cancelling a subscription, your subscription will stay active until the end of the period. Auto-renewal will be disabled, but the current subscription will not be refunded • Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RF4 screens
Network Toolbox Net security4 screens

Verdict

The call

The clearest difference is price: Network Toolbox Net security at Free against RF's $7.99. Network Toolbox Net security also leads on ratings volume (3.4K vs 22) and update cadence (every 2 months vs every 4 months). RF's advantage is in-app purchases (none vs 12) and ads (none vs shown). On 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

Network Toolbox Net security is free to download; RF costs $7.99 up front. Network Toolbox Net security sells 12 in-app purchases, starting at $2.99 per 7 days. RF asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RF holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Network Toolbox Net security has 3.4K ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 91% of RF's written reviews are positive against 75% of Network Toolbox Net security's.

UpkeepUpdate frequency

RF ships an update every 4 months, Network Toolbox Net security every 2 months. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

Scorecard9 real differences · 1 level
RF versus Network Toolbox Net security: the parameters behind the verdict, then further details
ParameterRFNetwork Toolbox Net security
Price$7.99Free — better
Rating4.9 (22 ratings) — better4.6 (3.4K ratings)
Positive reviews91.1% of reviews — better75.3% of reviews
Number of ratings223.4K — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.1 — better13.0
Further details — not scored
Size92 MB152 MB
Age rating4+17+
DeveloperMarcus RoskoschWHATSTICKER APPS SRL

Customer experience

RF

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

Network Toolbox Net security

All ratings3,303 ratings
Positive89.5%
Neutral3.6%
Negative6.9%
Written reviews396 reviews
Positive75.3%
Neutral4.0%
Negative20.7%

Bugs and requests

RF

Not enough reviews yet to summarise bugs or requests.

Network Toolbox Net security

Reported bugs

3 issues
  • Bluetooth configuration issues
  • Unreliable website links
  • Freezing and crashing on certain devices

Requested features

4 requests
  • Dark mode option
  • More advanced network scanning capabilities
  • Improved documentation and tutorials
  • Restore previous one-time purchase model

In-app purchases

None

RF

No in-app purchases

12 purchases

Network Toolbox Net security

Subscriptions12
  • Wekkly Premium7 Days trial$2.997 Days
  • Weekly premium$2.997 Days
  • Weekly premium$4.997 Days
Show 9 more
  • Weekly premium7 Days trial$4.997 Days
  • Monthly premium7 Days trial$9.991 Month
  • Monthly premium$9.991 Month
  • Yearly premium7 Days trial$29.991 Year
  • Yearly premium$29.991 Year
  • Yearly premium7 Days trial$49.991 Year
  • Yearly premium$49.991 Year
  • Yearly premium7 Days trial$79.991 Year
  • Yearly premium$79.991 Year

Questions

Is RF free?
RF costs $7.99, with no in-app purchases.
Is Network Toolbox Net security free?
Network Toolbox Net security is free to download, with in-app purchases available.
Which has better reviews, RF or Network Toolbox Net security?
RF is rated higher. RF averages 4.9 out of 5 from 22 ratings, while Network Toolbox Net security averages 4.6 from 3.4K ratings.
Do RF or Network Toolbox Net security have ads?
Network Toolbox Net security shows ads; RF does not.
Which is updated more often, RF or Network Toolbox Net security?
RF ships an update every 4 months, and Network Toolbox Net security every 2 months. Most recently, RF was updated on October 11, 2026 and Network Toolbox Net security on October 20, 2026.

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