# Subnet Plus vs ArtPro MOS Diagnostics

The clearest difference is in-app purchases: ArtPro MOS Diagnostics at none against Subnet Plus's 1. ArtPro MOS Diagnostics also leads on ads (none vs shown) and rating (5.0 vs 4.7). Subnet Plus's advantage is ratings volume (57 vs 1) and update cadence (monthly vs every 4 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. ArtPro MOS Diagnostics asks for nothing beyond the download.

ArtPro MOS Diagnostics holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Subnet Plus has 57 ratings behind it against 1, so its average is the more settled of the two.

Subnet Plus ships an update monthly, ArtPro MOS Diagnostics every 4 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Subnet Plus | ArtPro MOS Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (57 ratings)](https://appshunter.io/ios/app/subnet-plus-subnet-calculator/id724663668/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/artpro-mos-diagnostics/id1444262238/reviews)** |
| Number of ratings | **57** | 1 |
| Positive reviews | 89.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 18 MB | 18 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ted Trentler](https://appshunter.io/developer/380264826) | [Art Processors Pty Ltd](https://appshunter.io/developer/845765244) |

## 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


### ArtPro MOS Diagnostics

[App page](https://appshunter.io/ios/app/artpro-mos-diagnostics/id1444262238)

This utility app visualizes venue and location data for registered users of a specific platform. It provides a way to access and understand spatial information related to your registered venues.

**Highlights:** Venue visualization, Location data display, Registered user access, Platform integration

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Plus free?

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

### Is ArtPro MOS Diagnostics free?

ArtPro MOS Diagnostics is free to download, with no in-app purchases.

### Which has better reviews, Subnet Plus or ArtPro MOS Diagnostics?

ArtPro MOS Diagnostics is rated higher. Subnet Plus averages 4.7 out of 5 from 57 ratings, while ArtPro MOS Diagnostics averages 5.0 from 1 ratings.

### Do Subnet Plus or ArtPro MOS Diagnostics have ads?

Subnet Plus shows ads; ArtPro MOS Diagnostics does not.

### Which is updated more often, Subnet Plus or ArtPro MOS Diagnostics?

Subnet Plus ships an update monthly, and ArtPro MOS Diagnostics every 4 months. Most recently, Subnet Plus was updated on November 1, 2026 and ArtPro MOS Diagnostics on November 2, 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.*