Comparison

Network Toolbox Net security vs Duo Browsers

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

Head to head
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/

About

Duo Browsers

This app allows for simultaneous web browsing on a single device, enabling users to multitask across different websites. It offers dynamic window resizing and a customizable interface for an enhanced browsing experience.

Highlights
  • Dynamic resizable browser windows
  • Multi-website browsing simultaneously
  • Customizable interface colors
  • Horizontal or vertical split view
  • Fast switching between single/multi windows
  • iCloud bookmark backup
Read full description

Enable multi-tasking web browsing in the iPad amazing screen with Duo Browsers. Productivity, entertainment, communication can be happened at the same time. Great experience with browsing multi websites simultaneously. Unlike other apps, Duo Browsers allow to resize browser width or height dynamically. Features: • Dynamic resizable windows by dragging the splitter • Maximum browsing area with fullscreen window • Customizable browser interface color • Easy switch between horizontal or vertical • Fast switch between a single window or multi windows • Reverse browser windows with a single click • Built-in browser bookmarks • Support iCloud bookmarks backup • Choose last web URL or home page at startup • Access multi home pages at startup • Unified website address bar and search bar • Secure SSL web access • Web cache support • Fast search with Google, Yahoo or Bing • Easy sharing the URL • Save and copy image • Open link in another web page window • Capture screenshot of whole web page * Note: To enable iCloud bookmark backup​ & restore, please turn on iCloud setting for Duo Browsers via: ->Settings app -> (If you don't sign-in your iCloud account yet, please sign-in) -> select your Apple ID -> iCloud -> turn on Duo Browsers in the list.

Screenshots

Network Toolbox Net security4 screens

Verdict

The call

The clearest difference is rating: Network Toolbox Net security at 4.6 against Duo Browsers's 4.0. Network Toolbox Net security also leads on review sentiment (75% vs 50%) and ratings volume (3.3K vs 5). Duo Browsers's advantage is ads (none vs shown) and iOS requirement (9.0 vs 13.0). On price, update cadence, in-app purchases and monetization model 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

Both are free to download. Network Toolbox Net security sells 12 in-app purchases, starting at $2.99 per 7 days and Duo Browsers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Network Toolbox Net security holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Network Toolbox Net security has 3.3K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 75% of Network Toolbox Net security's written reviews are positive against 50% of Duo Browsers's.

UpkeepUpdate frequency

Network Toolbox Net security ships an update every 2 months, Duo Browsers monthly. The most recent releases landed on September 29, 2026 and September 15, 2026 respectively.

Scorecard6 real differences · 4 level
Network Toolbox Net security versus Duo Browsers: the parameters behind the verdict, then further details
ParameterNetwork Toolbox Net securityDuo Browsers
PriceFreeFree
Rating4.6 (3.3K ratings) — better4.0 (5 ratings)
Positive reviews75.3% of reviews — better50.0% of reviews
Number of ratings3.3K — better5
Update frequencyEvery 2 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS13.09.0 — better
Further details — not scored
Size152 MB11 MB
Age rating17+17+
DeveloperWHATSTICKER APPS SRLRatha Sou

Customer experience

Network Toolbox Net security

All ratings3,303 ratings
Positive89.5%
Neutral3.6%
Negative6.9%
Written reviews393 reviews
Positive75.3%
Neutral4.1%
Negative20.6%

Duo Browsers

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and 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

Duo Browsers

Not enough reviews yet to summarise bugs or requests.

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
1 purchases

Duo Browsers

One-time1
  • Remove Ads$1.99

Questions

Is Network Toolbox Net security free?
Network Toolbox Net security is free to download, with in-app purchases available.
Is Duo Browsers free?
Duo Browsers is free to download, with in-app purchases available.
Which has better reviews, Network Toolbox Net security or Duo Browsers?
Network Toolbox Net security is rated higher. Network Toolbox Net security averages 4.6 out of 5 from 3.3K ratings, while Duo Browsers averages 4.0 from 5 ratings.
Do Network Toolbox Net security or Duo Browsers have ads?
Network Toolbox Net security shows ads; Duo Browsers does not.
Which is updated more often, Network Toolbox Net security or Duo Browsers?
Network Toolbox Net security ships an update every 2 months, and Duo Browsers monthly. Most recently, Network Toolbox Net security was updated on September 29, 2026 and Duo Browsers on September 15, 2026.

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