Comparison

Subnet Calculator + 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

Subnet Calculator +

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.

Highlights
  • IPv4 subnet calculator with CIDR slider
  • Subnet Splitter for VLSM
  • IPv6 calculator with prefix slider
  • Auto-detect device IP from Wi-Fi
  • Navigate adjacent subnets
  • Share or copy results
  • Native Mac support
Read full description

SubnetCalc is a fast, intuitive subnet calculator for networking professionals and students. Features: - IPv4 subnet calculator with live CIDR slider (1-30) - Subnet Splitter for equal-split and VLSM subdivision - IPv6 calculator with prefix slider (1-128) - Auto-detect your device's IP and subnet from Wi-Fi - Navigate between adjacent subnets - Share or copy results instantly - Native Mac support via Mac Catalyst Enter any IP address, adjust the CIDR prefix with the slider, and instantly see: - Subnet mask - Network address - Broadcast address - Usable host range - Maximum hosts - Wildcard mask The Subnet Splitter lets you divide a network into equal subnets or use VLSM to allocate subnets by host count. Perfect for network planning and design. No ads. No tracking. No subscription.

About

VLSM | Subnet

Features
Read full description

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

Screenshots

Subnet Calculator +3 screens
VLSM | Subnet4 screens

Verdict

The call

The clearest difference is in-app purchases: VLSM | Subnet at none against Subnet Calculator +'s 4. VLSM | Subnet also leads on update cadence (every 9 months vs every 64 months) and iOS requirement (15.6 vs 18.6). On price, ads 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. Subnet Calculator + sells 4 one-off in-app purchases. VLSM | Subnet asks for nothing beyond the download.

UpkeepUpdate frequency

Subnet Calculator + ships an update every 64 months, VLSM | Subnet every 9 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
Subnet Calculator + versus VLSM | Subnet: the parameters behind the verdict, then further details
ParameterSubnet Calculator +VLSM | Subnet
PriceFreeFree
Rating4.0 (7 ratings) — better—
Positive reviews72.7% of reviews—
Number of ratings7 — better—
Update frequencyEvery 64 monthsEvery 9 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.615.6 — better
Further details — not scored
Size1 MB23 MB
Age rating4+4+
DeveloperSteven EpplerEdwin Mejia

In-app purchases

4 purchases

Subnet Calculator +

One-time4
  • Small Tip$0.99
  • Medium Tip$1.99
  • Large Tip$4.99
Show 1 more
  • Huge Tip$9.99
None

VLSM | Subnet

No in-app purchases

Questions

Is Subnet Calculator + free?
Subnet Calculator + is free to download, with in-app purchases available.
Is VLSM | Subnet free?
VLSM | Subnet is free to download, with no in-app purchases.
Do Subnet Calculator + or VLSM | Subnet have ads?
Neither Subnet Calculator + nor VLSM | Subnet shows ads.
Which is updated more often, Subnet Calculator + or VLSM | Subnet?
Subnet Calculator + ships an update every 64 months, and VLSM | Subnet every 9 months. Most recently, Subnet Calculator + was updated on October 13, 2026 and VLSM | Subnet on October 8, 2026.

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