# SJ IPv4 Calculator — Netmask, CIDR & IP Range

> Netmask, CIDR & IP Range (iPhone/iPad app by Stephane JAILLIARD.)

- Source: https://appshunter.io/ios/app/sj-ipv4-calculator/id6503641575 (this page in markdown: same URL + `.md`)
- Developer: [Stephane JAILLIARD](https://appshunter.io/developer/1749751077)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 4 MB
- Languages: British English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany) and 23 more
- Released: 2024-06-03
- Data updated: 2026-05-20
- User reviews in markdown: https://appshunter.io/ios/app/sj-ipv4-calculator/id6503641575/reviews.md

## What is SJ IPv4 Calculator?

#############################
#              IPV4 CALCULATOR               #
#############################

The essential tool for IT professionals and students!

IPv4 Calculator allows you to instantly calculate your subnet details (Netmask, CIDR, Broadcast, IP Range).

+----------------------------------------+
|             WHY THIS APPLICATION?             |
+----------------------------------------+

[ BIDIRECTIONAL CALCULATION ]
- Enter a classic mask (255.255.255.0) or CIDR (/24).
- Automatic conversion in both directions.

[ INSTANT RESULTS ]
- Immediately get the Broadcast and usable IP range.
- No "Calculate" button, everything is in real-time.

[ SIMPLE AND PROFESSIONAL ]
- Clean and efficient interface.
- Ideal for network technicians and system admins.

Download it today!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| A lemon tart | $4.99 | one-time |
| A coffee | $0.99 | one-time |
| A cookie | $2.99 | one-time |
| A pizza | $9.99 | one-time |
| No ads | $4.99 | one-time |



## Version history (last 5 releases)

### 2.0.0 — 2026-03-10

Added support for new languages

### 1.810.4 — 2026-02-03

Minor modification related to the ad unit display

### 1.810.3 — 2025-08-14

- Fixed an issue with ads

### 1.810.2 — 2025-07-07

- Removal of advertising partners
- Lightened the application

### 1.810.1 — 2024-10-09

- Code optimization

## Apps similar to SJ IPv4 Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [iNetTools - Ping,DNS,Port Scan](https://appshunter.io/ios/app/inettools-pingdnsport-scan/id561659975) | 4.6 (5,379) | Free | Utilities |
| [IP Subnet Calculator - IPv4/v6](https://appshunter.io/ios/app/ip-subnet-calculator-ipv4v6/id6479329030) | — | Free | Utilities |
| [About Subnet Mask](https://appshunter.io/ios/app/about-subnet-mask/id1662782439) | 5.0 (1) | Free | Utilities |
| [IPv4 Subnet Calculator](https://appshunter.io/ios/app/ipv4-subnet-calculator/id6446788822) | 5.0 (3) | Free | Utilities |
| [MikroTik](https://appshunter.io/ios/app/mikrotik/id1323064830) | 3.9 (267) | Free | Utilities |
| [Network Analyzer: net tools](https://appshunter.io/ios/app/network-analyzer-net-tools/id562315041) | 4.6 (6,483) | Free | Utilities |

## More apps by Stephane JAILLIARD

- [SJ Chmod Calculator](https://appshunter.io/ios/app/sj-chmod-calculator/id6504128434)
- [SJ Resistor Calculator](https://appshunter.io/ios/app/sj-resistor-calculator/id6504838457)
- [SJ Age Calculator](https://appshunter.io/ios/app/sj-age-calculator/id6563151005)
- [SJ Cart Calculator](https://appshunter.io/ios/app/sj-cart-calculator/id6627347063)
- [SJ Password Generator](https://appshunter.io/ios/app/sj-password-generator/id6639614295)

All apps by Stephane JAILLIARD: https://appshunter.io/developer/1749751077

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*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 2026-05-20.*