# IPv4 Subnet Calculator vs VLSM | Subnet

The clearest difference is ads: VLSM | Subnet at none against IPv4 Subnet Calculator's shown. VLSM | Subnet also leads on update cadence (every 9 months vs every 35 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IPv4 Subnet Calculator ships an update every 35 months, VLSM | Subnet every 9 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | IPv4 Subnet Calculator | VLSM | Subnet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ipv4-subnet-calculator/id6446788822/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 35 months | **Every 9 months** |
| Monetization | Ad-supported | — |
| Size | 22 MB | 23 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Nogueira](https://appshunter.io/developer/1679074829) | [Edwin Mejia](https://appshunter.io/developer/1620400021) |

## What reviewers say

### IPv4 Subnet Calculator

[App page](https://appshunter.io/ios/app/ipv4-subnet-calculator/id6446788822)

This utility simplifies IPv4 subnet calculations for network professionals and students. Quickly obtain detailed subnet information like network address, broadcast address, and host ranges by entering an IP address and CIDR or subnet mask.

**Highlights:** Easy-to-use interface, Detailed subnet information, Supports CIDR and subnet mask input, Responsive design for various screen sizes, Calculates network address, broadcast address, and host ranges

**In-app purchases:** none


### VLSM | Subnet

[App page](https://appshunter.io/ios/app/vlsm-subnet/id6504495906)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IPv4 Subnet Calculator free?

IPv4 Subnet Calculator is free to download, with no in-app purchases.

### Is VLSM | Subnet free?

VLSM | Subnet is free to download, with no in-app purchases.

### Do IPv4 Subnet Calculator or VLSM | Subnet have ads?

IPv4 Subnet Calculator shows ads; VLSM | Subnet does not.

### Which is updated more often, IPv4 Subnet Calculator or VLSM | Subnet?

IPv4 Subnet Calculator ships an update every 35 months, and VLSM | Subnet every 9 months. Most recently, IPv4 Subnet Calculator was updated on October 24, 2026 and VLSM | Subnet on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*