# ZeroDay Dev vs Cybron | Learn Cybersecurity

The clearest difference is ads: ZeroDay Dev at none against Cybron | Learn Cybersecurity's shown. ZeroDay Dev also leads on update cadence (weekly vs every 3 months). Cybron | Learn Cybersecurity's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ZeroDay Dev sells 1 one-off in-app purchase and Cybron | Learn Cybersecurity sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ZeroDay Dev ships an update weekly, Cybron | Learn Cybersecurity every 3 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ZeroDay Dev | Cybron | Learn Cybersecurity |
| --- | --- | --- |
| 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 | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | — |
| Size | 80 MB | 63 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [John Lawniczak](https://appshunter.io/developer/1882793043) | [Shameel Abid](https://appshunter.io/developer/1815213704) |

## 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 |


### Cybron | Learn Cybersecurity

[App page](https://appshunter.io/ios/app/cybron-learn-cybersecurity/id6763523671)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Quarterly | $4.99 | per 3 months |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is ZeroDay Dev free?

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

### Is Cybron | Learn Cybersecurity free?

Cybron | Learn Cybersecurity is free to download, with in-app purchases available.

### Do ZeroDay Dev or Cybron | Learn Cybersecurity have ads?

Cybron | Learn Cybersecurity shows ads; ZeroDay Dev does not.

### Which is updated more often, ZeroDay Dev or Cybron | Learn Cybersecurity?

ZeroDay Dev ships an update weekly, and Cybron | Learn Cybersecurity every 3 months. Most recently, ZeroDay Dev was updated on October 6, 2026 and Cybron | Learn Cybersecurity on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*