# Subnet Calc Pro vs E3 2025

The clearest difference is price: E3 2025 at Free against Subnet Calc Pro's $3.99. E3 2025 also leads on update cadence (every 3 weeks vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

E3 2025 is free to download; Subnet Calc Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Subnet Calc Pro ships an update every 5 months, E3 2025 every 3 weeks. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Subnet Calc Pro | E3 2025 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/subnet-calc-pro/id303555213/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 18 MB | 81 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Swipe Stack Ltd](https://appshunter.io/developer/295652245) | [vFairs LLC](https://appshunter.io/developer/1349888986) |

## What reviewers say

### Subnet Calc Pro

[App page](https://appshunter.io/ios/app/subnet-calc-pro/id303555213)

This tool assists network administrators in organizing and tracking subnets. It allows for hierarchical organization of subnets, IP allocation for hosts, and calculation of subnet details. It also includes a finder for encompassing IPs and a standard calculator.

**Highlights:** Hierarchical subnet organization, IP host allocation tracking, Automatic subnet detail calculation, Subnet finder for encompassing IPs, Standard subnet calculator, Data export via email

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

**In-app purchases:** none


### E3 2025

[App page](https://appshunter.io/ios/app/e3-2025/id6737566610)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Calc Pro free?

Subnet Calc Pro costs $3.99, with no in-app purchases.

### Is E3 2025 free?

E3 2025 is free to download, with no in-app purchases.

### Do Subnet Calc Pro or E3 2025 have ads?

Neither Subnet Calc Pro nor E3 2025 shows ads.

### Which is updated more often, Subnet Calc Pro or E3 2025?

Subnet Calc Pro ships an update every 5 months, and E3 2025 every 3 weeks. Most recently, Subnet Calc Pro was updated on September 14, 2026 and E3 2025 on September 23, 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.*