# Subnet Gauge vs Length Converter Plus

The clearest difference is in-app purchases: Length Converter Plus at none against Subnet Gauge's 1. Length Converter Plus also leads on device support (3 vs 1) and iOS requirement (14.0 vs 26.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Subnet Gauge sells 1 one-off in-app purchase. Length Converter Plus asks for nothing beyond the download.

Subnet Gauge ships an update every 8 months, Length Converter Plus every 12 months. The most recent releases landed on June 10, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Subnet Gauge | Length Converter Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/length-converter-plus/id982843030/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 8 months** | Every 12 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 7 MB | 6 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Furuya](https://appshunter.io/developer/503779747) | [Hideshi Otsuru](https://appshunter.io/developer/446092368) |

## What reviewers say

### Subnet Gauge

[App page](https://appshunter.io/ios/app/subnet-gauge/id567064150)

This application assists with subnet design by generating lists of networks and subnets. It displays key information such as the number of networks and host addresses, and identifies special subnet characteristics with icons.

**Highlights:** Subnet design assistance, List of networks/subnets, Number of networks displayed, Host addresses per subnet, Indicates subnet characteristics, Quick IP and mask entry

**In-app purchases (1)**

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


### Length Converter Plus

[App page](https://appshunter.io/ios/app/length-converter-plus/id982843030)

Easily convert between various units of length, from micrometers to miles. Includes a built-in calculator for added convenience.

**Highlights:** Converts 10 different length units, Includes Micrometer, Millimeter, Centimeter, Converts Meter, Kilometer, Inch, Feet, Converts Yard, Mile, Nautical miles, Built-in calculator functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Gauge free?

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

### Is Length Converter Plus free?

Length Converter Plus is free to download, with no in-app purchases.

### Do Subnet Gauge or Length Converter Plus have ads?

Both Subnet Gauge and Length Converter Plus show ads.

### Which is updated more often, Subnet Gauge or Length Converter Plus?

Subnet Gauge ships an update every 8 months, and Length Converter Plus every 12 months. Most recently, Subnet Gauge was updated on June 10, 2026 and Length Converter Plus on August 13, 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.*