# uCertifyPrep CSSLP vs CSSLP Exam bу Rocket Prep 2026

The clearest difference is update cadence: uCertifyPrep CSSLP at every 3 months against CSSLP Exam bу Rocket Prep 2026's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. uCertifyPrep CSSLP sells 1 one-off in-app purchase and CSSLP Exam bу Rocket Prep 2026 sells 6 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

uCertifyPrep CSSLP ships an update every 3 months, CSSLP Exam bу Rocket Prep 2026 every 6 months. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | uCertifyPrep CSSLP | CSSLP Exam bу Rocket Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/ucertifyprep-csslp/id1611743464/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 121 MB | 39 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify.com](https://appshunter.io/developer/1130631061) | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) |

## What reviewers say

### uCertifyPrep CSSLP

[App page](https://appshunter.io/ios/app/ucertifyprep-csslp/id1611743464)

Prepare for the CSSLP certification with a full-length practice test designed to simulate real exam conditions. Study security design principles, threat modeling, and more on your mobile device. Features gamified learning and feedback to enhance test-taking skills.

**Highlights:** Simulates real exam conditions, Covers security design principles and threat modeling, Gamified learning with randomization and spaced repetition, Provides feedback for skill improvement, Accessible on mobile devices, Includes 50+ item types

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### CSSLP Exam bу Rocket Prep 2026

[App page](https://appshunter.io/ios/app/csslp-exam-b-rocket-prep-2026/id6749002519)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CSSLP Weekly Full Access | $8.99 | per 7 days |
| CSSLP Monthly Full Access | $22.99 | per month |
| CSSLP Monthly Full Access | $22.99 | per month |
| ISC2_CSSLP_mock_tries_1 | $4.99 | one-time |
| ISC2_CSSLP_mock_tries_3 | $9.99 | one-time |
| ISC2_CSSLP_mock_tries_5 | $14.99 | one-time |


## Frequently asked questions

### Is uCertifyPrep CSSLP free?

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

### Is CSSLP Exam bу Rocket Prep 2026 free?

CSSLP Exam bу Rocket Prep 2026 is free to download, with in-app purchases available.

### Do uCertifyPrep CSSLP or CSSLP Exam bу Rocket Prep 2026 have ads?

Neither uCertifyPrep CSSLP nor CSSLP Exam bу Rocket Prep 2026 shows ads.

### Which is updated more often, uCertifyPrep CSSLP or CSSLP Exam bу Rocket Prep 2026?

uCertifyPrep CSSLP ships an update every 3 months, and CSSLP Exam bу Rocket Prep 2026 every 6 months. Most recently, uCertifyPrep CSSLP was updated on September 21, 2026 and CSSLP Exam bу Rocket Prep 2026 on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*