# Subnet Driller vs Network Routing Concepts

The clearest difference is iOS requirement: Network Routing Concepts at 15.1 against Subnet Driller's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Subnet Driller | Network Routing Concepts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/subnet-driller-ccna-practice/id6771981386/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 3 MB | 38 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tyler Dix](https://appshunter.io/developer/877363265) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Subnet Driller

[App page](https://appshunter.io/ios/app/subnet-driller-ccna-practice/id6771981386)

Practice subnetting for IT certifications like CCNA and Network+. This offline tool offers randomized questions with verified calculations and multiple answer formats. Track your progress with session and total counters, and receive optional daily practice reminders.

**Highlights:** Offline subnetting quizzes, Randomly generated questions, Multiple choice or written answers, Session and total progress tracking, Built-in block-size reference, Daily practice reminders

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

**In-app purchases:** none


### Network Routing Concepts

[App page](https://appshunter.io/ios/app/network-routing-concepts/id6773715760)

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

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Driller free?

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

### Is Network Routing Concepts free?

Network Routing Concepts is free to download, with no in-app purchases.

### Do Subnet Driller or Network Routing Concepts have ads?

Neither Subnet Driller nor Network Routing Concepts shows ads.

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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.*