CIDR Calc
Paul Smicker Utilities iPhoneiPadiPod touch
CIDR Calc is a free Utilities app for iPhone and iPad by Paul Smicker. Rated 5.0/5 from 1 ratings. Requires iOS 16.0. Updated December 12, 2025.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 1 MB
- Age 4+
- Updated
- Dec 12
- 2025 · v1.5.1
Screenshots
About CIDR Calc
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.
What’s new
Version 1.5.1 · Updated December 12, 2025
Bug fixes, new dark mode icon
App privacy
The developer, Paul Smicker, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to CIDR Calc
Looking for apps like CIDR Calc? Here are 6 similar apps on the App Store. The highest rated is CIDR (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| CIDR Calc | 5.0 / 5 (1 rating) | Free | December 12, 2025 | |
| CIDR | 5.0 / 5 (1) | Free | Jun 21, 2026 | Compare |
| Subnet Plus: Subnet Calculator | 4.7 / 5 (57) | Free | Oct 21, 2026 | Compare |
| Subnet Calculator + | 4.0 / 5 (7) | Free | Mar 3, 2026 | Compare |
| IPv4 Subnet Calculator | 5.0 / 5 (8) | Free | Mar 6, 2026 | Compare |
| easy Subnet Calculator | – | Free | Dec 28, 2023 | Compare |
| Simple Subnet Calc | 5.0 / 5 (1) | Free | May 3, 2025 | Compare |
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