# SubnetCal — CIDR Tool for Network Planning

> CIDR Tool for Network Planning (iPhone/iPad app by Haeseong Jung.)

- Source: https://appshunter.io/ios/app/subnetcal/id6745555973 (this page in markdown: same URL + `.md`)
- Developer: [Haeseong Jung](https://appshunter.io/developer/1631768957)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.6 · 2 MB
- Languages: American English
- Released: 2025-05-22
- Data updated: 2026-08-15
- User reviews in markdown: https://appshunter.io/ios/app/subnetcal/id6745555973/reviews.md

## What is SubnetCal?

SubNetCalc is your all-in-one subnet calculator for IPv4 and IPv6.
Whether you're a networking student or a seasoned IT professional, SubNetCalc helps you calculate network ranges, broadcast addresses, and host capacity using CIDR notation.
With real-time validation and educational guides, you’ll master subnetting in no time. Upgrade to premium for IPv6 support, subnet visualization, PDF/CSV export, iCloud sync, and scanning your local network for active IPs.

Features include:

IPv4 Subnet Calculator with CIDR and Mask support

Real-time IP and CIDR input validation

Convert between CIDR and Subnet Masks

Visual subnet breakdown (Premium)

IPv6 support and Ping Scanner (Premium)

Export results to PDF/CSV (Premium)

iCloud sync for calculation history (Premium)

Terms of Use: https://sites.google.com/view/paid-application-terms-of-use/%ED%99%88
Privacy Policy : https://sites.google.com/view/app0private/%ED%99%88

Contact Email : hesung0805@gmail.com

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium | $1.99 | per month |



## Version history (last 1 release)

### 1.0.0 — 2025-05-22

No release notes.

## Apps similar to SubnetCal

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Subnet Calculator +](https://appshunter.io/ios/app/subnet-calculator-plus/id445990645) | 4.0 (7) | Free | Utilities |
| [Subnet Calculator 192](https://appshunter.io/ios/app/subnet-calculator-192/id6748156871) | — | Free | Utilities |
| [IPv4 Subnet Calculator](https://appshunter.io/ios/app/ipv4-subnet-calculator/id6446788822) | 5.0 (3) | Free | Utilities |
| [IP and Subnet Calculator Pro](https://appshunter.io/ios/app/ip-and-subnet-calculator-pro/id1028901431) | — | $3.99 | Utilities |
| [Subnet 64](https://appshunter.io/ios/app/subnet-64/id1348388159) | 4.0 (2) | $6.99 | Utilities |
| [CIDR](https://appshunter.io/ios/app/cidr/id1564239813) | 5.0 (1) | Free | Utilities |

## More apps by Haeseong Jung

- [ColorSnaps](https://appshunter.io/ios/app/colorsnaps/id6449401990)
- [간편 계좌위젯](https://appshunter.io/ios/app/id6450392576)
- [Simple Countings](https://appshunter.io/ios/app/simple-countings/id6468249369)
- [easy Subnet Calculator](https://appshunter.io/ios/app/easy-subnet-calculator/id6468453755)
- [채팅통계분석기](https://appshunter.io/ios/app/id6475026670)

All apps by Haeseong Jung: https://appshunter.io/developer/1631768957

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*