# CISSP Prep vs Java Academy

The clearest difference is iOS requirement: CISSP Prep at 14.0 against Java Academy's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CISSP Prep sells 3 in-app purchases, starting at $4.99 per 7 days and Java Academy sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

CISSP Prep ships an update weekly, Java Academy every 2 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CISSP Prep | Java Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 36 MB | 8 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SG APPs](https://appshunter.io/developer/1507658418) | [Jeffery Galen Reed](https://appshunter.io/developer/1819964083) |

## What reviewers say

### CISSP Prep

[App page](https://appshunter.io/ios/app/cissp-prep/id6740624648)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Subscription CISSP Prep | $4.99 | per 7 days |
| 1 Month CISSP Prep Access | $7.99 | per month |
| 6Months CISSP Prep Access | $9.99 | per 6 months |


### Java Academy

[App page](https://appshunter.io/ios/app/java-academy-learn-java/id6752448541)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Java Academy Monthly | $4.99 | per month |
| Java Academy Yearly Sub | $49.99 | per year |


## Frequently asked questions

### Is CISSP Prep free?

CISSP Prep is free to download, with in-app purchases available.

### Is Java Academy free?

Java Academy is free to download, with in-app purchases available.

### Do CISSP Prep or Java Academy have ads?

Neither CISSP Prep nor Java Academy shows ads.

### Which is updated more often, CISSP Prep or Java Academy?

CISSP Prep ships an update weekly, and Java Academy every 2 weeks. Most recently, CISSP Prep was updated on October 9, 2026 and Java Academy on October 8, 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.*