# uCertifyPrep CSSLP vs CompTIA Project Exam Simulator

uCertifyPrep CSSLP and CompTIA Project Exam Simulator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. uCertifyPrep CSSLP sells 1 one-off in-app purchase and CompTIA Project Exam Simulator sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

uCertifyPrep CSSLP ships an update every 3 months, CompTIA Project Exam Simulator every 4 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | uCertifyPrep CSSLP | CompTIA Project Exam Simulator |
| --- | --- | --- |
| 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 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 121 MB | 93 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify.com](https://appshunter.io/developer/1130631061) | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) |

## 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 |


### CompTIA Project Exam Simulator

[App page](https://appshunter.io/ios/app/comptia-project-exam-simulator/id6501984199)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium Quarterly | $14.99 | per 3 months |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is uCertifyPrep CSSLP free?

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

### Is CompTIA Project Exam Simulator free?

CompTIA Project Exam Simulator is free to download, with in-app purchases available.

### Do uCertifyPrep CSSLP or CompTIA Project Exam Simulator have ads?

Neither uCertifyPrep CSSLP nor CompTIA Project Exam Simulator shows ads.

### Which is updated more often, uCertifyPrep CSSLP or CompTIA Project Exam Simulator?

uCertifyPrep CSSLP ships an update every 3 months, and CompTIA Project Exam Simulator every 4 months. Most recently, uCertifyPrep CSSLP was updated on October 21, 2026 and CompTIA Project Exam Simulator on October 24, 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.*