Subnetwork vs VLSM | Subnet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- IPv4 subnet calculation
- FLSM subnet generation
- VLSM subnet generation
- Detailed binary calculations
- Save and retrieve subnet configurations
- Intuitive user interface
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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.
VLSM | Subnet
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Network, Mask, Wildcard, Broadcast, First Host, Last Host, Requested hosts, Available hosts
Screenshots
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Subnetwork | VLSM | Subnet |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 3 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 23 MB |
| Age rating | +4 | 4+ |
| Developer | Nicholas Smart | Edwin Mejia |
In-app purchases
Subnetwork
No in-app purchases
VLSM | Subnet
No in-app purchases
Questions
Is Subnetwork free?
Is VLSM | Subnet free?
Do Subnetwork or VLSM | Subnet have ads?
Which is updated more often, Subnetwork or VLSM | Subnet?
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