Subnet Calculator + vs About Subnet Mask
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
Read full descriptionHide 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 Subnet Mask
This utility tool calculates subnet masks based on IP and subnet inputs. It supports both IP and CIDR formats, determines class-based network numbers, and saves previous calculations for easy access. Users can also check the class of any IP address.
- Subnet mask calculation
- IP and CIDR format support
- Class-based network number calculation
- IP class checking
- Search history
Read full descriptionHide full description
I believe. My App makes your life more valuable. You will be the greatest better than ever and shine with me. This is a Subnet Calculator. Enter your IP and Subnet. That is all! Subnet mask could write IP format or CIDR format. It also calculates the class-based network number. The search was saved at history and click to lead result. You can check the class of IP. Thank you. :) If there are any incorrect translations, please contact us by email at starlightlab14@gmail.com
Screenshots
Verdict
The clearest difference is rating: About Subnet Mask at 5.0 against Subnet Calculator +'s 4.0. About Subnet Mask also leads on in-app purchases (none vs 4) and update cadence (every 9 days vs every 64 months). Subnet Calculator +'s advantage is ads (none vs shown) and ratings volume (7 vs 1). On price 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. About Subnet Mask asks for nothing beyond the download.
About Subnet Mask 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, About Subnet Mask every 9 days. The most recent releases landed on June 7, 2026 and September 10, 2026 respectively.
| Parameter | Subnet Calculator + | About Subnet Mask |
|---|---|---|
| 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 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Eppler | Jaehwa Noh |
Customer experience
Subnet Calculator +
About Subnet Mask
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
About Subnet Mask
No in-app purchases
Questions
Is Subnet Calculator + free?
Is About Subnet Mask free?
Which has better reviews, Subnet Calculator + or About Subnet Mask?
Do Subnet Calculator + or About Subnet Mask have ads?
Which is updated more often, Subnet Calculator + or About Subnet Mask?
Other comparisons
