# Subnet Plus vs Local Scale Factor

The clearest difference is in-app purchases: Local Scale Factor at none against Subnet Plus's 1. Local Scale Factor also leads on ads (none vs shown) and review sentiment (100% vs 89%). Subnet Plus's advantage is update cadence (every 2 weeks vs every 2 months). On price, monetization model and device support there is nothing between them.

Both are free to download. Subnet Plus sells 1 one-off in-app purchase. Local Scale Factor asks for nothing beyond the download.

Subnet Plus ships an update every 2 weeks, Local Scale Factor every 2 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Subnet Plus | Local Scale Factor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (54 ratings)](https://appshunter.io/ios/app/subnet-plus-subnet-calculator/id724663668/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 89.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 12 MB | 65 MB |
| Requires iOS | 26.0 | **10.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ted Trentler](https://appshunter.io/developer/380264826) | [NRG Surveys Ltd](https://appshunter.io/developer/1334623382) |

## What reviewers say

### Subnet Plus

[App page](https://appshunter.io/ios/app/subnet-plus-subnet-calculator/id724663668)

Calculate IP subnets with ease on your iPhone or iPad. This tool helps visualize binary and hex information for subnets, aiding in network studies and professional calculations. Save your calculated networks for future reference.

**Highlights:** Subnet calculation, Save calculated networks, Binary and hex display, Network address ranges, Broadcast IP addresses, Study aid for networking exams

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove Ads | $4.99 | one-time |

**What reviewers like**

- 👍 Convenient and simple interface
- 👍 Practical and useful tool
- 👍 Saves locations and provides needed information
- 👍 Smart layout
- 👍 Great use of sliding octets for real-time effects

**What reviewers complain about**

- 🐛 Interface needs work
- 🐛 Text in subnet netmask field too large
- 🐛 Last octet not visible
- 🐛 No apparent way to enlarge field or change text
- 🐛 No landscape mode for iPad Pro

**Reported bugs**

- Text in subnet netmask field too large, last octet not visible
- Values truncated, cannot view full values
- Subnet mask and IP addresses truncated
- Cannot read all data
- Numbers truncated on iPhone 5s

**Requested features**

- Export option to share saved subnets
- Pay to remove ads
- Landscape mode for iPad Pro
- Update for visualising or adjusting screen on iOS 9
- Ability to type netmask


### Local Scale Factor

[App page](https://appshunter.io/ios/app/local-scale-factor/id1353822948)

This tool calculates local scale factors and Cartesian coordinates from WGS84 GPS positions. It supports numerous local grid transformations and can convert between local postcodes and geodetic positions. It also offers map navigation to selected coordinates.

**Highlights:** Local scale factor calculation, Cartesian coordinate conversion, WGS84 GPS position input, Local grid transformations, Postcode to geodetic position conversion, Map navigation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Plus free?

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

### Is Local Scale Factor free?

Local Scale Factor is free to download, with no in-app purchases.

### Do Subnet Plus or Local Scale Factor have ads?

Subnet Plus shows ads; Local Scale Factor does not.

### Which is updated more often, Subnet Plus or Local Scale Factor?

Subnet Plus ships an update every 2 weeks, and Local Scale Factor every 2 months. Most recently, Subnet Plus was updated on October 12, 2026 and Local Scale Factor on October 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.*