# Subnet Mask vs IP Validator

The clearest difference is in-app purchases: IP Validator at none against Subnet Mask's 1. IP Validator also leads on ads (none vs shown) and rating (5.0 vs 4.6). Subnet Mask's advantage is ratings volume (31 vs 2). On price and update cadence there is nothing between them.

Both are free to download. Subnet Mask sells 1 one-off in-app purchase. IP Validator asks for nothing beyond the download.

IP Validator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Subnet Mask has 31 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on June 10, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Subnet Mask | IP Validator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (31 ratings)](https://appshunter.io/ios/app/subnet-mask/id580727679/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ip-validator/id1155930646/reviews)** |
| Number of ratings | **31** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 1 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Furuya](https://appshunter.io/developer/503779747) | [Appac Yazılım](https://appshunter.io/developer/1533055408) |

## What reviewers say

### Subnet Mask

[App page](https://appshunter.io/ios/app/subnet-mask/id580727679)

This app provides a quick way to calculate subnet masks and host addresses. It features a keypad for CIDR notation and allows for manipulation of keys via swipe gestures, functioning like a slider. It can also be used to determine wildcard masks and the number of addresses.

**Highlights:** Subnet mask calculation, Host address calculation, CIDR notation keypad, Swipe key manipulation, Wildcard mask calculation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


### IP Validator

[App page](https://appshunter.io/ios/app/ip-validator/id1155930646)

This app calculates and validates IP addresses for any network, providing detailed information. It offers features like exporting network configurations for Linux devices and calculating all available IP ranges and maximum node counts.

**Highlights:** IP address validation, Network configuration export (Linux), IP range calculation, Maximum node count calculation, User-friendly UI, Open source

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Mask free?

Subnet Mask is free to download, with in-app purchases available.

### Is IP Validator free?

IP Validator is free to download, with no in-app purchases.

### Which has better reviews, Subnet Mask or IP Validator?

IP Validator is rated higher. Subnet Mask averages 4.6 out of 5 from 31 ratings, while IP Validator averages 5.0 from 2 ratings.

### Do Subnet Mask or IP Validator have ads?

Subnet Mask shows ads; IP Validator does not.

### Which is updated more often, Subnet Mask or IP Validator?

Subnet Mask ships an update every 6 months, and IP Validator every 6 months. Most recently, Subnet Mask was updated on June 10, 2026 and IP Validator on September 10, 2026.

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