Comparison

Subnetwork vs VLSM | Subnet

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

Head to head
About

Subnetwork

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.

Highlights
  • IPv4 subnet calculation
  • FLSM subnet generation
  • VLSM subnet generation
  • Detailed binary calculations
  • Save and retrieve subnet configurations
  • Intuitive user interface
Features
Read full description

Subnetwork is a full-feature IPv4 subnet calculator that allows you to effortlessly calculate single subnets, Fixed Length Subnet Masks (FLSM) and Variable Length Subnet Masks (VLSM) using whatever IPv4 address and Classless Inter-Domain Routing (CIDR) notation you choose. Subnetting may be complicated and tedious, but that doesn't mean your user experience needs to be. Designed exclusively for iOS, Subnetwork is a native and intuitive networking tool for students and IT professionals alike. Subnet Calculator - Calculate the subnet mask, wildcard, network ID, host range, broadcast addresses and more with an IPv4 address and dynamically adjustable CIDR prefix. Fixed Length Subnet Mask (FLSM) Calculator - Instantly generate between 2 and 1028 FLSM subnets to meet your network and host requirements. Variable Length Subnet Mask (VLSM) Calculator - Instantly generate VLSM subnets to meet your custom host requirements and maximize your available address space. Simple and Powerful - View minimal subnet details in decimal notation, or rotate your device for full binary calculations across all modes. View basic information at a glance in FLSM or VLSM, or dive into the details with just one touch. The choice is yours. Save Support - Name, store, and retrieve your subnets for later use across all three calculator modes.

About

VLSM | Subnet

Features
Read full description

Network, Mask, Wildcard, Broadcast, First Host, Last Host, Requested hosts, Available hosts

Screenshots

Subnetwork4 screens
VLSM | Subnet4 screens

Verdict

The call

The clearest difference is update cadence: Subnetwork at every 3 months against VLSM | Subnet's every 9 months. Subnetwork also leads on iOS requirement (13.0 vs 15.6). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Subnetwork ships an update every 3 months, VLSM | Subnet every 9 months. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

Scorecard2 real differences · 8 level
Subnetwork versus VLSM | Subnet: the parameters behind the verdict, then further details
ParameterSubnetworkVLSM | Subnet
PriceFreeFree
Rating4.4 (7 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 3 months — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.6
Further details — not scored
Size1 MB23 MB
Age rating+44+
DeveloperNicholas SmartEdwin Mejia

In-app purchases

None

Subnetwork

No in-app purchases

None

VLSM | Subnet

No in-app purchases

Questions

Is Subnetwork free?
Subnetwork is free to download, with no in-app purchases.
Is VLSM | Subnet free?
VLSM | Subnet is free to download, with no in-app purchases.
Do Subnetwork or VLSM | Subnet have ads?
Neither Subnetwork nor VLSM | Subnet shows ads.
Which is updated more often, Subnetwork or VLSM | Subnet?
Subnetwork ships an update every 3 months, and VLSM | Subnet every 9 months. Most recently, Subnetwork was updated on September 30, 2026 and VLSM | Subnet on September 26, 2026.

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