# Learn Blockchain Cryptography vs ZeroDay Dev

The clearest difference is price: ZeroDay Dev at Free against Learn Blockchain Cryptography's $1.99. Learn Blockchain Cryptography's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

ZeroDay Dev is free to download; Learn Blockchain Cryptography costs $1.99 up front. ZeroDay Dev sells 1 one-off in-app purchase. Learn Blockchain Cryptography asks for nothing beyond the download.

## The numbers

| Metric | Learn Blockchain Cryptography | ZeroDay Dev |
| --- | --- | --- |
| Price | $1.99 | **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 | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 40 MB | 80 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Muhammad Umair](https://appshunter.io/developer/1696049320) | [John Lawniczak](https://appshunter.io/developer/1882793043) |

## What reviewers say

### Learn Blockchain Cryptography

[App page](https://appshunter.io/ios/app/learn-blockchain-cryptography/id6451100291)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Learn Blockchain Cryptography free?

Learn Blockchain Cryptography costs $1.99, with no in-app purchases.

### Is ZeroDay Dev free?

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

### Do Learn Blockchain Cryptography or ZeroDay Dev have ads?

Neither Learn Blockchain Cryptography nor ZeroDay Dev shows ads.

---

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