Best Vlsm Apps

80+ iOS apps curated and reviewed

4.0 avg rating

17 free apps

Updated June 2026

From beginner-friendly picks to power-user tools, our vlsm list covers 80+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Compare top Vlsm Apps (June 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	VLSM \| Subnet	Free	—	No	No	May 2026
2	IP Calculations	Free	—	No	No	May 2026
3	Subnetwork	Free	4.4★ (7)	No	No	Sep 2026
4	IP & Subnet Calculator	Free	3.6★ (8)	No	No	Aug 2026
5	Subnet Calculator +	Free	4.0★ (7)	No	Yes	May 2026
6	Subnet Plus: Subnet Calculator	Free	4.7★ (55)	No	No	Jul 2026
7	IP Subnet Calc	Free	4.9★ (220)	No	No	Sep 2026
8	IP Calculator Pro	$2.99 was $6.99	3.4★ (5)	No	No	Aug 2026

Top Picks for Vlsm

VLSM | Subnet by Edwin Mejia

VSLM Calculator

Editor's Choice

🔧 Utilities

0.0(0 ratings)

Free

IP Calculations by G Sanghani

IPV4 & VLSM

Strong Contender

🔧 Utilities

0.0(0 ratings)

Free

This utility app helps network administrators and students calculate various IPv4 and VLSM subnetting details. It provides information on IP address classes, hosts per subnet, network and broadcast addresses, and binary notations for IP and subnet masks.

Subnetwork by Nicholas Smart

IPv4 subnets with FLSM, VLSM

Worth Considering

🔧 Utilities

4.4(7 ratings)

Free

This app is a comprehensive IPv4 subnet calculator designed for both students and IT professionals. It offers intuitive tools for calculating single subnets, FLSM, and VLSM, with options for detailed binary calculations and saving subnet configurations.

More Vlsm apps to explore

IP & Subnet Calculator

by Rutul Patel

Free

This app assists networking professionals and students with IP address calculations. It offers tools for CIDR and VLSM subnetting, including practice modules and tutorials with practical examples.

IPv4 and IPv6 calculationSubnet/VLSM calculatorNetwork configuration details

Simple Subnet Calculations

Free

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

🔧 Utilities

(7)

free

Subnet Plus: Subnet Calculator

by Ted Trentler

Free

Calculate IP subnets with ease on your iPhone or iPad. This tool helps visualize binary and hex information for subnets, aiding in network studies and professional calculations. Save your calculated networks for future reference.

Subnet calculationSave calculated networksBinary and hex display

Calculate IPv4 and IPv6

Free

This tool calculates IPv4 and IPv6 subnets, providing detailed information such as the number of hosts, subnet size, class, and network addresses. Use the interactive CIDR slider to dynamically adjust subnet properties.

IPv4 and IPv6 subnet calculationDisplays number of hostsShows subnet size and class

This application assists networking professionals and students with IP subnetting calculations. It offers tools for CIDR and VLSM subnetting, along with tutorials and practice modules. A comprehensive command reference is also included.

CIDR and IPv4/IPv6 calculationSubnet/VLSM calculatorAssignable IP range, subnet mask, network/broadcast addresses

Master network subnetting with this educational app. It offers detailed tutorials and practice modules for CIDR and VLSM, providing clear explanations for each answer to enhance your learning.

CIDR practice moduleVLSM practice moduleCIDR tutorial

📚 Education

(10)

free

Slash - Subnet Calculator

CCNA & Network+ Drill Trainer

Free

This offline calculator quickly determines IP network details like network address, host ranges, and broadcast addresses. It supports various input formats and provides advanced information, including binary views and IPv6 compatibility. Designed for network professionals and students, it offers a streamlined way to perform subnet calculations without an internet connection.

Offline subnet calculationSupports CIDR, bare address, or subnet mask inputCalculates network, host, and broadcast addresses

by 10base-t Interactive

Free

Transform your mobile device into a versatile controller for live installations, multimedia performances, and interactive exhibits. Create custom interfaces with a text editor and utilize open standards for seamless integration with VJ/DJ software and other multimedia tools.

Custom interface creation via text editorMultiuser supportClient peer-to-peer or client-server models

Manage properties and tenants with this app. It allows for device, room, and tenant management for users with VTO devices. Access all features with a single DMSS account.

Device managementRoom managementTenant management

Access and manage your dealership information conveniently from your mobile device. This secure app offers intuitive integration with a comprehensive dealer management system, designed to enhance productivity and profitability for Powersports, RV, Marina, and Marine businesses.

Mobile dealership information accessSecure dealer management system integrationManage business anywhere, anytime

Master computer networking with this comprehensive study guide and toolset. Access study materials, video explanations, interview FAQs, and essential networking utilities. It offers an intuitive interface and is completely free to use.

Computer Networks study materialTopic videos by dedicated facultyGATE questions

This utility app helps network engineers quickly calculate and verify IP subnet masks, host ranges, and broadcast IPs. It offers real-time updates as you adjust the mask bit, with results formatted for easy sharing via email or printing.

Real-time IP mask calculationHost range and broadcast IP displaySubnetting and Supernetting support

Access GL.iNet’s KVM devices

Free

This application allows secure remote access and control of GL.iNet KVM devices from your mobile device. It offers intuitive touch gestures, support for external keyboards and mice, and robust security features for efficient remote operations.

Remote KVM device accessIntuitive touch gesture controlExternal keyboard and mouse support

Calculate IPv4 and IPv6

$1.99

This utility calculates IPv4 and IPv6 subnets, providing detailed information such as host count, subnet size, and network addresses. It features an interactive CIDR slider for real-time property adjustments.

IPv4 and IPv6 subnet calculationDisplays number of hostsShows subnet size

Manage your 9eSIM cards conveniently with this application. It connects to a card reader, allowing for easy handling of your eSIM profiles.

Manage 9eSIM cardsCard reader integrationeSIM profile handling

🔧 Utilities

(3)

free

FAQ about Vlsm

Are there free vlsm apps for iPhone?

Yes — 17 of the top vlsm apps we rank are free to download, including VLSM | Subnet and IP Calculations.

Does VLSM | Subnet have ads or in-app purchases?

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

How many vlsm apps are on the App Store?

We track 80+ vlsm apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.