# ZeroDay Dev vs Apollo Academy

ZeroDay Dev and Apollo Academy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZeroDay Dev ships an update weekly, Apollo Academy fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | ZeroDay Dev | Apollo Academy |
| --- | --- | --- |
| 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 | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | — |
| Size | 97 MB | 28 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [John Lawniczak](https://appshunter.io/developer/1882793043) | [Almqdad Kasasbeh](https://appshunter.io/developer/6809809774) |

## 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 prepare for security assessments with timed tests. Offers curated learning tracks and offline access.

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

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

**In-app purchases:** none


### Apollo Academy

[App page](https://appshunter.io/ios/app/apollo-academy/id6809809772)

**In-app purchases:** none


## Frequently asked questions

### Is ZeroDay Dev free?

ZeroDay Dev is free to download, with no in-app purchases.

### Is Apollo Academy free?

Apollo Academy is free to download, with no in-app purchases.

### Do ZeroDay Dev or Apollo Academy have ads?

Neither ZeroDay Dev nor Apollo Academy shows ads.

### Which is updated more often, ZeroDay Dev or Apollo Academy?

ZeroDay Dev ships an update weekly, and Apollo Academy fortnightly. Most recently, ZeroDay Dev was updated on October 31, 2026 and Apollo Academy on October 31, 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.*