# ZeroDay Shield vs CompTIA Security+ Exam Pro

The clearest difference is in-app purchases: ZeroDay Shield at none against CompTIA Security+ Exam Pro's 2. ZeroDay Shield also leads on update cadence (daily vs every 6 weeks) and iOS requirement (12.1 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. CompTIA Security+ Exam Pro sells 2 in-app purchases, starting at $9.99 per month. ZeroDay Shield asks for nothing beyond the download.

ZeroDay Shield ships an update daily, CompTIA Security+ Exam Pro every 6 weeks. The most recent releases landed on October 20, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | ZeroDay Shield | CompTIA Security+ Exam Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/zeroday-shield/id1575164359/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 weeks |
| Monetization | Free | — |
| Size | 38 MB | 9 MB |
| Requires iOS | **12.1** | 17.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Better Living For All Charity](https://appshunter.io/developer/1655977825) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## 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


### CompTIA Security+ Exam Pro

[App page](https://appshunter.io/ios/app/comptia-security-plus-exam-pro/id6670739204)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is ZeroDay Shield free?

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

### Is CompTIA Security+ Exam Pro free?

CompTIA Security+ Exam Pro is free to download, with in-app purchases available.

### Do ZeroDay Shield or CompTIA Security+ Exam Pro have ads?

Neither ZeroDay Shield nor CompTIA Security+ Exam Pro shows ads.

### Which is updated more often, ZeroDay Shield or CompTIA Security+ Exam Pro?

ZeroDay Shield ships an update daily, and CompTIA Security+ Exam Pro every 6 weeks. Most recently, ZeroDay Shield was updated on October 20, 2026 and CompTIA Security+ Exam Pro on September 11, 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.*