Subnet Calculator +4.0
Publisher 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.
Version History What's New in SubnetCalc 4.0:
- New IPv6 Calculator tab with full prefix support (1-128)
- New Subnet Splitter with equal-split and VLSM modes
- Tip Jar to support development
- Code modernization and bug fixes 4.0 Mar 3 Rewritten in Swift and SwiftUI. New dark mode support. Fixed share sheet bug. 3.0 12/13/2020 iOS 8.3 fixes
Works on iPad and iPhone 6 and 6+ natively now as well. 2.0 05/05/2015 1.0 06/29/2011
About Subnet Calculator +
The company that develops Subnet Calculator + is Steven Eppler. The latest version released by its developer is 4.0.
To install Subnet Calculator + on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Subnet Calculator + as malware if the download link is broken.
How to install Subnet Calculator + on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Subnet Calculator + is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Subnet Calculator + is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 4.0
posted on 2026-10-13
Version History What's New in SubnetCalc 4.0:
- New IPv6 Calculator tab with full prefix support (1-128)
- New Subnet Splitter with equal-split and VLSM modes
- Tip Jar to support development
- Code modernization and bug fixes 4.0 Mar 3 Rewritten in Swift and SwiftUI. New dark mode support. Fixed share sheet bug. 3.0 12/13/2020 iOS 8.3 fixes
Works on iPad and iPhone 6 and 6+ natively now as well. 2.0 05/05/2015 1.0 06/29/2011
version 4.0
posted on 2026-09-04
Version History What's New in SubnetCalc 4.0:
- New IPv6 Calculator tab with full prefix support (1-128)
- New Subnet Splitter with equal-split and VLSM modes
- Tip Jar to support development
- Code modernization and bug fixes 4.0 Mar 3 Rewritten in Swift and SwiftUI. New dark mode support. Fixed share sheet bug. 3.0 12/13/2020 This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
iOS 8.3 fixes
Works on iPad and iPhone 6 and 6+ natively now as well. 2.0 05/05/2015 1.0 06/29/2011
version 4.0
posted on 2026-08-22
Version History What's New in SubnetCalc 4.0:
- New IPv6 Calculator tab with full prefix support (1-128)
- New Subnet Splitter with equal-split and VLSM modes
- Tip Jar to support development
- Code modernization and bug fixes 4.0 Mar 3 Rewritten in Swift and SwiftUI. New dark mode support. Fixed share sheet bug. 3.0 12/13/2020 This update from Apple will improve the functionality of this app. No new features are included.
iOS 8.3 fixes
Works on iPad and iPhone 6 and 6+ natively now as well. 2.0 05/05/2015 1.0 06/29/2011
version 4.0
posted on 2026-03-03
What's New in SubnetCalc 4.0:
- New IPv6 Calculator tab with full prefix support (1-128)
- New Subnet Splitter with equal-split and VLSM modes
- Tip Jar to support development
- Code modernization and bug fixes
version -
posted on 2025-10-01
version 3.0
posted on 2020-12-13
Rewritten in Swift and SwiftUI. New dark mode support. Fixed share sheet bug.
