# Learn TypeScript JS with AI vs ZeroDay Dev

The clearest difference is price: ZeroDay Dev at Free against Learn TypeScript JS with AI's $1.99. Learn TypeScript JS with AI's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

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

## The numbers

| Metric | Learn TypeScript JS with AI | 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 | 63 MB | 80 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Shahbaz Khan](https://appshunter.io/developer/1479963383) | [John Lawniczak](https://appshunter.io/developer/1882793043) |

## What reviewers say

### Learn TypeScript JS with AI

[App page](https://appshunter.io/ios/app/learn-typescript-js-with-ai/id6753932815)

**Features:** macOS Compatibility

**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 TypeScript JS with AI free?

Learn TypeScript JS with AI 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 TypeScript JS with AI or ZeroDay Dev have ads?

Neither Learn TypeScript JS with AI nor ZeroDay Dev 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.*