Best Cidr Tool Apps

127+ iOS apps curated and reviewed

4.4 avg rating

18 free apps

Updated June 2026

Looking for free cidr tool apps? 18 of our 127+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Cidr Tool Apps (June 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	CIDR Tool	$0.99	—	No	No	May 2026
2	Simple Cidr	Free	—	No	No	May 2026
3	CIDR Calc	Free	5.0★ (1)	No	No	May 2026
4	VPN - Buck Super	Free	4.3★ (3.9K)	No	Yes	Sep 2026
5	iNet - Network Scanner	Free	4.5★ (2.5K)	No	Yes	Sep 2026
6	Lirum Device Info 2	Free	4.0★ (285)	No	Yes	Sep 2026
7	VeriScan - ID Scanner	Free	3.3★ (63)	No	Yes	Sep 2026
8	Discovery - DNS-SD Browser	Free	4.8★ (67)	No	No	Jul 2026

Top Picks for Cidr Tool

#1

CIDR Tool by Amatino

IP Calculator

Editor's Choice

0.0(0 ratings)

$0.99

CIDR Tool screenshot 1

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CIDR Tool screenshot 4

#2

Simple Cidr by Luke Pilkington

Cidr notation lookup tool

Strong Contender

📊 Productivity

0.0(0 ratings)

Free

Simple Cidr screenshot 1

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Simple Cidr screenshot 4

#3

CIDR Calc by Paul Smicker

Subnet and host calculator

Worth Considering

5.0(1 ratings)

Free

CIDR Calc screenshot 1

CIDR Calc screenshot 2

Calculate subnet details, including IP addresses, masks, and reverse masks, using CIDR notation. Generate and share lists of subnets and hosts within the next higher octet. This tool simplifies network calculations for IT professionals and students.

More Cidr Tool apps to explore

VPN - Buck Super

VPN - Buck Super

VPN - Buck Super

This app provides a secure, fast, and private network connection. It offers intuitive data visualization for real-time network performance monitoring and includes a speed test feature. Users can also configure network settings through a dedicated center.

Secure and private networkFast and stable connectionsReal-time performance dashboard

free with in-app purchases

iNet - Network Scanner

iNet - Network Scanner

iNet - Network Scanner

Know Your Network...

Discover all devices on your local network, analyze services, and manage connected devices. Remotely control Macs and PCs, monitor network status, and customize device identification. This tool offers comprehensive network insights for both technical and casual users.

Device discovery (IP, MAC)Customizable device names and iconsPort and service scanning

📊 Productivity

free with in-app purchases

Lirum Device Info 2

Lirum Device Info 2

Lirum Device Info 2

System Monitor & Device Info

This app provides in-depth system monitoring and hardware insights for your iPhone and iPad. It offers detailed information on CPU, memory, storage, battery, sensors, and more, along with practical testing tools. Ideal for users who want to understand their device's performance and capabilities.

CPU, Memory, and Storage MonitoringDetailed Hardware and Sensor InformationBattery and Thermal Monitoring

free with in-app purchases

VeriScan - ID Scanner

VeriScan - ID Scanner

VeriScan - ID Scanner

Scan/Validate IDs & passports

This app provides advanced ID and passport verification for businesses. It offers real-time fake ID detection, unlimited scanning at a flat rate, and comprehensive visitor management features. Ideal for age-restricted businesses needing to ensure compliance and security.

Real-time fake ID detectionUnlimited ID scanningVisitor management and reporting

Discovery - DNS-SD Browser

Discovery - DNS-SD Browser

Discovery - DNS-SD Browser

Browse local Bonjour services

This utility displays Bonjour services on your local network or wide-area domains. It helps debug programs, detect connected computers, and monitor available services. Ideal for network administrators and developers.

Browse local and remote Bonjour servicesAutomatic domain and service detectionDisplay service details (domain, IP, TXT record)

Subnet Calculator +

Subnet Calculator +

Subnet Calculator +

Simple Subnet Calculations

This utility app simplifies network calculations for professionals and students. It offers tools for IPv4 and IPv6 subnetting, including live CIDR sliders and subnet splitting. Results can be easily shared or copied.

IPv4 subnet calculator with CIDR sliderSubnet Splitter for VLSMIPv6 calculator with prefix slider

NSLookup Z-Fast DNS Query Tool

NSLookup Z-Fast DNS Query Tool

NSLookup Z-Fast DNS Query Tool

Secure DNS Lookup,Record Check

This tool allows for fast and secure DNS record lookups, supporting encrypted queries and a variety of popular DNS servers. Users can also configure custom DNS servers for complete control over their network analysis.

Query DNS records (A, AAAA, CNAME, TXT, etc.)Support for DoH & DoT encrypted lookupsIncludes popular DNS servers (Google, Cloudflare)

🛠️ Developer Tools

NetScan - IP Scanner

NetScan - IP Scanner

NetScan - IP Scanner

Network Analyzer & Ping & Wifi

Gain complete visibility into your internet connection with this network scanner and WiFi analyzer. Monitor real-time speed, track data usage, and identify all connected devices on your network. It offers tools for diagnostics, latency testing, and advanced network calculations.

Real-time internet speed monitoringAccurate data usage trackingIP scanner for device detection

free with in-app purchases

EasyNet: Network Scanner Tool

EasyNet: Network Scanner Tool

EasyNet: Network Scanner Tool

Ping, LAN, BLE & SSH Analyzer

IP Locater and Tracker

IP Locater and Tracker

IP Locater and Tracker

IPv4, IPv6, Ping, DNS, Subnet

This app provides tools for network diagnostics and information. It allows users to locate IP addresses, perform ping tests, and conduct DNS lookups. Additionally, it includes a subnet calculator for network management.

IP Address Lookup (IPv4/IPv6)Website Ping TestDNS Lookup

Simple Subnet Calc

Simple Subnet Calc

Simple Subnet Calc

by Diogo Andre Assumpcao

This utility quickly calculates IPv4 and IPv6 subnets with a clean interface. It's designed for network professionals and students needing fast, accurate subnetting tools on their iPhone.

IPv4 subnettingIPv6 subnettingClean interface

iSource Browser

iSource Browser

iSource Browser

This web browser offers standard browsing capabilities along with advanced tools for inspecting web page source code, HTTP headers, and network information. It includes a JavaScript debugger and WHOIS lookup for in-depth site analysis.

HTML source viewWHOIS lookupDIG and HOST lookup

Password Manager iPassSafe+

Password Manager iPassSafe+

Password Manager iPassSafe+

Password Generator & Autofill

Securely manage all your digital credentials with advanced encryption and local data storage. Generate strong passwords, autofill logins across devices, and protect sensitive information with robust privacy features. Your data remains private and under your control.

AES-256 encryptionLocal data storageSecure cloud sync option

📊 Productivity

Test web server responses with cURL-like functionality on your iPhone or iPad. Simulate various browsers and inspect raw HTTP headers and HTML. Analyze network performance with detailed timing information.

Simulate browser user-agentsInspect raw HTTP headers and HTMLSupport for GET, HEAD, POST, PUT, DELETE, OPTIONS, TRACE requests

Neoris USA Cisco POWR

Neoris USA Cisco POWR

Neoris USA Cisco POWR

CISCO RMA return pickup tool

📊 Productivity

NetState - tool for analysis

Network Analyzer: WiFi Scanner

Network Analyzer: WiFi Scanner

Network Analyzer: WiFi Scanner

WiFi Analyzer, Network Scanner

This advanced network utility helps analyze and troubleshoot WiFi and local networks. It provides detailed network information, scans for connected devices, and offers a suite of tools for performance testing, security checks, and diagnostics.

WiFi analysis and scanningDevice discovery (LAN scanner)Internet and WiFi speed tests

free with in-app purchases

FAQ about Cidr Tool

Are there free cidr tool apps for iPhone?

Yes — 18 of the top cidr tool apps we rank are free to download, including Simple Cidr and CIDR Calc.

Does CIDR Tool have ads or in-app purchases?

CIDR Tool has no ads and has no in-app purchases, according to its App Store listing as of June 2026.

How many cidr tool apps are on the App Store?

We track 127+ cidr tool apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.