# ZeroDay Shield vs jor1k

The clearest difference is update cadence: ZeroDay Shield at daily against jor1k's every 11 months. ZeroDay Shield also leads on ratings volume (9 vs 1) and iOS requirement (12.1 vs 15.5). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ZeroDay Shield against 5.0 for jor1k. That said, the two scores are not equally well evidenced: ZeroDay Shield has 9 ratings behind it against 1, so its average is the more settled of the two.

ZeroDay Shield ships an update daily, jor1k every 11 months. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ZeroDay Shield | jor1k |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/zeroday-shield/id1575164359/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/jor1k-linux/id6444093421/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 11 months |
| Monetization | Free | Free |
| Size | 38 MB | 335 MB |
| Requires iOS | **12.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Better Living For All Charity](https://appshunter.io/developer/1655977825) | [Luis Acevedo-Arreguin](https://appshunter.io/developer/1642773653) |

## What reviewers say

### ZeroDay Shield

[App page](https://appshunter.io/ios/app/zeroday-shield/id1575164359)

Learn about computer security, digital threats, and best practices. Generate and securely store strong passwords, test their strength, and stay updated with the latest cybersecurity news. Includes a glossary and social engineering demos to help you avoid scams.

**Highlights:** Computer security learning center, Secure random password generator, Encrypted password vault, Password strength tester, Social engineering scam demos, Real-time cybersecurity news, Cyber security glossary

**Features:** macOS Compatibility

**In-app purchases:** none


### jor1k

[App page](https://appshunter.io/ios/app/jor1k-linux/id6444093421)

This app provides a Linux terminal on your iPhone or iPad, allowing you to practice basic commands for learning programming languages and exploring a different Linux flavor. It's designed for users interested in hands-on computer science education.

**Highlights:** Linux terminal emulator, Practice basic commands, Learn computer programming, Explore Linux flavors, Mobile-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is ZeroDay Shield free?

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

### Is jor1k free?

jor1k is free to download, with no in-app purchases.

### Which has better reviews, ZeroDay Shield or jor1k?

ZeroDay Shield and jor1k are both rated 5.0 out of 5 on the App Store, from 9 and 1 ratings respectively.

### Do ZeroDay Shield or jor1k have ads?

Neither ZeroDay Shield nor jor1k shows ads.

### Which is updated more often, ZeroDay Shield or jor1k?

ZeroDay Shield ships an update daily, and jor1k every 11 months. Most recently, ZeroDay Shield was updated on October 1, 2026 and jor1k on October 6, 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.*