# uCertifyPrep CISSP vs CISSP Prep

The clearest difference is update cadence: CISSP Prep at weekly against uCertifyPrep CISSP's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. uCertifyPrep CISSP sells 1 one-off in-app purchase and CISSP Prep sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

uCertifyPrep CISSP ships an update every 4 months, CISSP Prep weekly. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | uCertifyPrep CISSP | CISSP Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 121 MB | 36 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify.com](https://appshunter.io/developer/1130631061) | [SG APPs](https://appshunter.io/developer/1507658418) |

## What reviewers say

### uCertifyPrep CISSP

[App page](https://appshunter.io/ios/app/ucertifyprep-cissp/id1611872853)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep CISSP | $49.99 | one-time |


### 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 |


## Frequently asked questions

### Is uCertifyPrep CISSP free?

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

### Is CISSP Prep free?

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

### Do uCertifyPrep CISSP or CISSP Prep have ads?

Neither uCertifyPrep CISSP nor CISSP Prep shows ads.

### Which is updated more often, uCertifyPrep CISSP or CISSP Prep?

uCertifyPrep CISSP ships an update every 4 months, and CISSP Prep weekly. Most recently, uCertifyPrep CISSP was updated on October 1, 2026 and CISSP Prep on October 9, 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.*