# Learn Computer Networking vs PhlashCards Security Test Prep

The clearest difference is price: PhlashCards Security Test Prep at Free against Learn Computer Networking's $4.99. Learn Computer Networking's advantage is in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement there is nothing between them.

PhlashCards Security Test Prep is free to download; Learn Computer Networking costs $4.99 up front. PhlashCards Security Test Prep sells 4 one-off in-app purchases. Learn Computer Networking asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Learn Computer Networking | PhlashCards Security Test Prep |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/learn-computer-networking/id6752886504/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | — |
| Size | 12 MB | 64 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Hodge Podgin LLC](https://appshunter.io/developer/1873814194) |

## What reviewers say

### Learn Computer Networking

[App page](https://appshunter.io/ios/app/learn-computer-networking/id6752886504)

Master computer networking with this beginner-friendly app. Explore fundamentals, protocols, and advanced concepts through structured tutorials and interactive quizzes. Study offline in your native language.

**Highlights:** Networking fundamentals and concepts, OSI and TCP/IP models, Protocols and their functions, Routing and switching, IP addressing and subnetting, Interactive quizzes, Offline learning

**Features:** Vision Pro support

**In-app purchases:** none


### PhlashCards Security Test Prep

[App page](https://appshunter.io/ios/app/phlashcards-security-test-prep/id6759810555)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Security+ Premium | $14.99 | one-time |
| Pentest+ Premium | $14.99 | one-time |
| SecAI+ Premium | $19.99 | one-time |
| CISSP Premium | $19.99 | one-time |


## Frequently asked questions

### Is Learn Computer Networking free?

Learn Computer Networking costs $4.99, with no in-app purchases.

### Is PhlashCards Security Test Prep free?

PhlashCards Security Test Prep is free to download, with in-app purchases available.

### Do Learn Computer Networking or PhlashCards Security Test Prep have ads?

Neither Learn Computer Networking nor PhlashCards Security Test Prep shows ads.

### Which is updated more often, Learn Computer Networking or PhlashCards Security Test Prep?

Learn Computer Networking ships an update every 3 months, and PhlashCards Security Test Prep every 3 months. Most recently, Learn Computer Networking was updated on October 12, 2026 and PhlashCards Security Test Prep on October 8, 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.*