# ZeroDay Dev vs CompTIA A+ Focus Lab

The clearest difference is in-app purchases: CompTIA A+ Focus Lab at none against ZeroDay Dev's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZeroDay Dev sells 1 one-off in-app purchase. CompTIA A+ Focus Lab asks for nothing beyond the download.

## The numbers

| Metric | ZeroDay Dev | CompTIA A+ Focus Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/zeroday-dev/id6760129673/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 80 MB | 5 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Lawniczak](https://appshunter.io/developer/1882793043) | [Paideia Games](https://appshunter.io/developer/520233491) |

## What reviewers say

### ZeroDay Dev

[App page](https://appshunter.io/ios/app/zeroday-dev/id6760129673)

Learn secure coding and blockchain security through hands-on challenges and real-world exploit analysis. Practice building exploit intuition with interactive exercises and track your progress through curated learning paths. The app is designed for offline use, allowing you to learn anytime, anywhere.

**Highlights:** Hands-on coding challenges, Real-world exploit analysis, Interactive practice exercises, Curated learning tracks, Progress tracking and gamification, Offline-first functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Content | $4.99 | one-time |


### CompTIA A+ Focus Lab

[App page](https://appshunter.io/ios/app/comptia-a-plus-focus-lab/id6803540747)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZeroDay Dev free?

ZeroDay Dev is free to download, with in-app purchases available.

### Is CompTIA A+ Focus Lab free?

CompTIA A+ Focus Lab is free to download, with no in-app purchases.

### Do ZeroDay Dev or CompTIA A+ Focus Lab have ads?

Neither ZeroDay Dev nor CompTIA A+ Focus Lab 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.*