Subnet Calculator + vs CIDR Calc
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.
CIDR Calc
Calculate subnet details, including IP addresses, masks, and reverse masks, using CIDR notation. Generate and share lists of subnets and hosts within the next higher octet. This tool simplifies network calculations for IT professionals and students.
- Subnet calculation
- IP address display
- Mask and reverse mask
- Shareable subnet lists
- Host calculation
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Displays subnet, IP addresses, mask, and reverse mask based on IP and CIDR notation. Generates shareable list of all subnets and hosts in next higher octet.
Screenshots
Verdict
The clearest difference is rating: CIDR Calc at 5.0 against Subnet Calculator +'s 4.0. CIDR Calc also leads on in-app purchases (none vs 4) and update cadence (every 19 months vs every 64 months). Subnet Calculator +'s advantage is ratings volume (7 vs 1). On price, ads, monetization model 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. CIDR Calc asks for nothing beyond the download.
CIDR Calc holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Subnet Calculator + has 7 ratings behind it against 1, so its average is the more settled of the two.
Subnet Calculator + ships an update every 64 months, CIDR Calc every 19 months. The most recent releases landed on June 7, 2026 and September 8, 2026 respectively.
| Parameter | Subnet Calculator + | CIDR Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (7 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 72.7% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 64 months | Every 19 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Vision Pro |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Eppler | Paul Smicker |
Customer experience
Subnet Calculator +
CIDR Calc
In-app purchases
Subnet Calculator +
- Small Tip$0.99
- Medium Tip$1.99
- Large Tip$4.99
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- Huge Tip$9.99
CIDR Calc
No in-app purchases
Questions
Is Subnet Calculator + free?
Is CIDR Calc free?
Which has better reviews, Subnet Calculator + or CIDR Calc?
Do Subnet Calculator + or CIDR Calc have ads?
Which is updated more often, Subnet Calculator + or CIDR Calc?
Other comparisons
