# Subnet Calc vs UniTools Pro

The clearest difference is in-app purchases: UniTools Pro at none against Subnet Calc's 1. UniTools Pro also leads on update cadence (monthly vs every 3 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Subnet Calc sells 1 one-off in-app purchase. UniTools Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Subnet Calc against 5.0 for UniTools Pro. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Subnet Calc ships an update every 3 months, UniTools Pro monthly. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Subnet Calc | UniTools Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/subnet-calc/id295652242/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/unitools-pro/id6446107856/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 338 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Swipe Stack Ltd](https://appshunter.io/developer/295652245) | [Uniview Technologies Co., Ltd.](https://appshunter.io/developer/908644291) |

## What reviewers say

### Subnet Calc

[App page](https://appshunter.io/ios/app/subnet-calc/id295652242)

Calculate detailed subnet and IP information. This tool helps network administrators quickly understand subnet details, including class and IP range classification. An advanced version offers additional features for managing network configurations.

**Highlights:** Subnet and IP calculation, CIDR notation support, IP address classification, Loopback and private range detection, Classful subnet information

**Features:** macOS Compatibility

**In-app purchases (1)**

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

**What reviewers like**

- 👍 Easy to use
- 👍 Great GUI
- 👍 Useful for IT professionals
- 👍 Good for learning
- 👍 Handy for network planning

**What reviewers complain about**

- 💥 Overwhelming ads
- 💥 Unusable due to ads
- 💥 Redirects to App Store
- 💥 Adware/Malware concerns
- 💥 Crashes device

**Reported bugs**

- App redirects to App Store constantly
- App opens Safari and books subscriptions
- App crashes device
- App shows old results
- App redirects to App Store for games

**Requested features**

- IPv6 support
- Ability to specify number of subnets
- Ability to choose hosts per subnet
- Export data functionality
- Display number of subnets


### UniTools Pro

[App page](https://appshunter.io/ios/app/unitools-pro/id6446107856)

This professional mobile application assists service providers with AIoT project management. It offers features for installation, testing, remote configuration, and ongoing maintenance, along with video viewing and PTZ control capabilities.

**Highlights:** Project management, Installation and testing, Remote configuration, O&M management, Video viewing, PTZ control

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

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Calc free?

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

### Is UniTools Pro free?

UniTools Pro is free to download, with no in-app purchases.

### Which has better reviews, Subnet Calc or UniTools Pro?

Subnet Calc and UniTools Pro are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Subnet Calc or UniTools Pro have ads?

Neither Subnet Calc nor UniTools Pro shows ads.

### Which is updated more often, Subnet Calc or UniTools Pro?

Subnet Calc ships an update every 3 months, and UniTools Pro monthly. Most recently, Subnet Calc was updated on October 8, 2026 and UniTools Pro on October 1, 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.*