# Subnet Table vs Computer Science Calculations

The clearest difference is in-app purchases: Subnet Table at none against Computer Science Calculations's 3. Subnet Table also leads on iOS requirement (13.4 vs 15.0). Computer Science Calculations's advantage is update cadence (monthly vs every 44 months). On price, ads and device support there is nothing between them.

Both are free to download. Computer Science Calculations sells 3 in-app purchases, starting at $0.99 per 3 months. Subnet Table asks for nothing beyond the download.

Subnet Table ships an update every 44 months, Computer Science Calculations monthly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Subnet Table | Computer Science Calculations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/subnet-table/id1288951209/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 44 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 26 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keiko Nishie](https://appshunter.io/developer/1287545061) | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) |

## What reviewers say

### Subnet Table

[App page](https://appshunter.io/ios/app/subnet-table/id1288951209)

Calculate and display detailed information for IPv4 networks and IP addresses. This tool aids in network design and troubleshooting by providing data like usable hosts and IP ranges.

**Highlights:** IPv4 network information, IP address details, Usable host calculation, IP range display, Network design aid, Troubleshooting tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Computer Science Calculations

[App page](https://appshunter.io/ios/app/computer-science-calculations/id1488787780)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $0.99 | per 3 months |
| PRO Version (1 year) | $2.49 | per year |
| PRO Version (Lifetime) | $89.99 | one-time |


## Frequently asked questions

### Is Subnet Table free?

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

### Is Computer Science Calculations free?

Computer Science Calculations is free to download, with in-app purchases available.

### Do Subnet Table or Computer Science Calculations have ads?

Both Subnet Table and Computer Science Calculations show ads.

### Which is updated more often, Subnet Table or Computer Science Calculations?

Subnet Table ships an update every 44 months, and Computer Science Calculations monthly. Most recently, Subnet Table was updated on October 3, 2026 and Computer Science Calculations on October 11, 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.*