# IP Subnet Calc vs netool.io Pro2

The clearest difference is review sentiment: IP Subnet Calc at 100% against netool.io Pro2's 0%. IP Subnet Calc also leads on rating (4.9 vs 4.6) and ratings volume (251 vs 8). netool.io Pro2's advantage is update cadence (every 8 days vs every 15 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

IP Subnet Calc holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: IP Subnet Calc has 251 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 100% of IP Subnet Calc's written reviews are positive against 0% of netool.io Pro2's.

IP Subnet Calc ships an update every 15 months, netool.io Pro2 every 8 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IP Subnet Calc | netool.io Pro2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (251 ratings)](https://appshunter.io/ios/app/ip-subnet-calc/id1282188941/reviews)** | [4.6 (8 ratings)](https://appshunter.io/ios/app/netoolio-pro2/id1670768966/reviews) |
| Number of ratings | **251** | 8 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 20 MB | 22 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Goncalo Silva](https://appshunter.io/developer/1281379202) | [Netool LLC](https://appshunter.io/developer/998653916) |

## What reviewers say

### IP Subnet Calc

[App page](https://appshunter.io/ios/app/ip-subnet-calc/id1282188941)

This tool calculates IPv4 and IPv6 subnets, providing detailed information such as the number of hosts, subnet size, class, and network addresses. Use the interactive CIDR slider to dynamically adjust subnet properties.

**Highlights:** IPv4 and IPv6 subnet calculation, Displays number of hosts, Shows subnet size and class, Provides network and broadcast addresses, Interactive CIDR slider

**Features:** macOS Compatibility

**In-app purchases:** none


### netool.io Pro2

[App page](https://appshunter.io/ios/app/netoolio-pro2/id1670768966)

This utility app connects to specialized hardware for network testing and automation. It offers faster configuration, enhanced reliability, and advanced features like SSH automation for tagged and untagged ports. Supports both Bluetooth and Wi-Fi connectivity.

**Highlights:** Bluetooth & Wi-Fi connection, Network automation via SSH, Discovery Protocol, DHCP Detection, VLAN ID detection, PCAP Capture, ARP Scanning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IP Subnet Calc free?

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

### Is netool.io Pro2 free?

netool.io Pro2 is free to download, with no in-app purchases.

### Which has better reviews, IP Subnet Calc or netool.io Pro2?

IP Subnet Calc is rated higher. IP Subnet Calc averages 4.9 out of 5 from 251 ratings, while netool.io Pro2 averages 4.6 from 8 ratings.

### Do IP Subnet Calc or netool.io Pro2 have ads?

Neither IP Subnet Calc nor netool.io Pro2 shows ads.

### Which is updated more often, IP Subnet Calc or netool.io Pro2?

IP Subnet Calc ships an update every 15 months, and netool.io Pro2 every 8 days. Most recently, IP Subnet Calc was updated on November 3, 2026 and netool.io Pro2 on October 24, 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.*