Subnet Calculator + vs SJ IPv4 Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
SJ IPv4 Calculator
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############################# # IPV4 CALCULATOR # ############################# The essential tool for IT professionals and students! IPv4 Calculator allows you to instantly calculate your subnet details (Netmask, CIDR, Broadcast, IP Range). +----------------------------------------+ | WHY THIS APPLICATION? | +----------------------------------------+ [ BIDIRECTIONAL CALCULATION ] - Enter a classic mask (255.255.255.0) or CIDR (/24). - Automatic conversion in both directions. [ INSTANT RESULTS ] - Immediately get the Broadcast and usable IP range. - No "Calculate" button, everything is in real-time. [ SIMPLE AND PROFESSIONAL ] - Clean and efficient interface. - Ideal for network technicians and system admins. Download it today!
Screenshots
Verdict
The clearest difference is ads: Subnet Calculator + at none against SJ IPv4 Calculator's shown. SJ IPv4 Calculator's advantage is update cadence (weekly vs every 64 months) and iOS requirement (16.0 vs 18.6). On price, 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. Subnet Calculator + sells 4 one-off in-app purchases and SJ IPv4 Calculator sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Subnet Calculator + ships an update every 64 months, SJ IPv4 Calculator weekly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Subnet Calculator + | SJ IPv4 Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (7 ratings) — better | — |
| Positive reviews | 52.9% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 64 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Eppler | Stephane JAILLIARD |
In-app purchases
Subnet Calculator +
- Small Tip$0.99
- Medium Tip$1.99
- Large Tip$4.99
Show 1 moreShow fewer
- Huge Tip$9.99
SJ IPv4 Calculator
- A coffee$0.99
- A cookie$2.99
- A lemon tart$4.99
Show 2 moreShow fewer
- No ads$4.99
- A pizza$9.99
Questions
Is Subnet Calculator + free?
Is SJ IPv4 Calculator free?
Do Subnet Calculator + or SJ IPv4 Calculator have ads?
Which is updated more often, Subnet Calculator + or SJ IPv4 Calculator?
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