# SolidityHub vs ZeroDay Dev

The clearest difference is price: ZeroDay Dev at Free against SolidityHub's $6.99. ZeroDay Dev also leads on update cadence (weekly vs every 2 months). SolidityHub's advantage is in-app purchases (none vs 1) and iOS requirement (15.1 vs 17.0). On ads and device support there is nothing between them.

ZeroDay Dev is free to download; SolidityHub costs $6.99 up front. ZeroDay Dev sells 1 one-off in-app purchase. SolidityHub asks for nothing beyond the download.

SolidityHub ships an update every 2 months, ZeroDay Dev weekly. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SolidityHub | ZeroDay Dev |
| --- | --- | --- |
| Price | $6.99 | **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 | Every 2 months | **Weekly** |
| Monetization | — | Free |
| Size | 53 MB | 69 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SimTeCon GmbH](https://appshunter.io/developer/1761797043) | [John Lawniczak](https://appshunter.io/developer/1882793043) |

## What reviewers say

### SolidityHub

[App page](https://appshunter.io/ios/app/solidityhub/id6742271972)

**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 SolidityHub free?

SolidityHub costs $6.99, with no in-app purchases.

### Is ZeroDay Dev free?

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

### Do SolidityHub or ZeroDay Dev have ads?

Neither SolidityHub nor ZeroDay Dev shows ads.

### Which is updated more often, SolidityHub or ZeroDay Dev?

SolidityHub ships an update every 2 months, and ZeroDay Dev weekly. Most recently, SolidityHub was updated on September 21, 2026 and ZeroDay Dev on September 18, 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.*