# VLSM Helper — Multi-mode VLSM Calculator

> Multi-mode VLSM Calculator (iPhone/iPad app by YUE ZHAO.)

- Source: https://appshunter.io/ios/app/vlsm-helper/id1419939057 (this page in markdown: same URL + `.md`)
- Developer: [YUE ZHAO](https://appshunter.io/developer/1419939056)
- Category: Utilities, Productivity
- Price: $0.99
- Age rating: 4+
- Requires: iOS 8.0 · 1 MB
- Languages: English, Chinese, Chinese
- Released: 2018-08-06
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/vlsm-helper/id1419939057/reviews.md

## What is VLSM Helper?

A multi-mode VLSM subnetting calculator with smart GUI

It provides three subnetting algorithms: Minimum, Fill, Maximum.
For each subnet, you can select a different subnetting mode.

For professionals to check against subnetting results and save for reference.

Also good for IT/Network students to learn and practice VLSM subnetting

***Classful (Class A, B, C) and Classless IP address Enabled***
***Storage ability enabled***
***Share ability enabled***

Happy subnetting!


## Version history (last 1 release)

### 1.0.2 — 2019-05-18

1.Text fix
2.Minor Bug Fix

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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 2026-05-19.*