# Network & System Admin Toolkit vs Cortez Duo

The clearest difference is price: Cortez Duo at Free against Network & System Admin Toolkit's $8.99. Network & System Admin Toolkit's advantage is update cadence (every 2 days vs every 10 days) and iOS requirement (18 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Cortez Duo is free to download; Network & System Admin Toolkit costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Network & System Admin Toolkit ships an update every 2 days, Cortez Duo every 10 days. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Network & System Admin Toolkit | Cortez Duo |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/network-and-system-admin-toolkit/id6806592855/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Paid | — |
| Size | 20 MB | 22 MB |
| Requires iOS | **18** | 26.2 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [luis reynaldo cedeno manzanilla](https://appshunter.io/developer/1465778931) | [Rall Digital](https://appshunter.io/developer/6810490049) |

## What reviewers say

### Network & System Admin Toolkit

[App page](https://appshunter.io/ios/app/network-and-system-admin-toolkit/id6806592855)

This comprehensive toolkit provides network and system administrators with essential tools for subnet planning, network diagnostics, and SSH system administration. It offers a native experience across iOS and macOS devices, with no account or cloud dependency.

**Highlights:** SSH Terminal with persistent sessions, Subnet calculator and splitter, Network diagnostics (Ping, Traceroute, Port Scanner), LAN device discovery, DNS lookup and benchmark, WHOIS and SSL inspection

**In-app purchases:** none


### Cortez Duo

[App page](https://appshunter.io/ios/app/cortez-duo/id6810490047)

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

**In-app purchases:** none


## Frequently asked questions

### Is Network & System Admin Toolkit free?

Network & System Admin Toolkit costs $8.99, with no in-app purchases.

### Is Cortez Duo free?

Cortez Duo is free to download, with no in-app purchases.

### Do Network & System Admin Toolkit or Cortez Duo have ads?

Neither Network & System Admin Toolkit nor Cortez Duo shows ads.

### Which is updated more often, Network & System Admin Toolkit or Cortez Duo?

Network & System Admin Toolkit ships an update every 2 days, and Cortez Duo every 10 days. Most recently, Network & System Admin Toolkit was updated on October 31, 2026 and Cortez Duo on October 26, 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.*