# uCertifyPrep CSSLP vs CompTIA Security+ Prep

The clearest difference is iOS requirement: CompTIA Security+ Prep at 12.0 against uCertifyPrep CSSLP's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. uCertifyPrep CSSLP sells 1 one-off in-app purchase and CompTIA Security+ Prep sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

uCertifyPrep CSSLP ships an update every 3 months, CompTIA Security+ Prep every 4 months. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | uCertifyPrep CSSLP | CompTIA Security+ Prep |
| --- | --- | --- |
| 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 | 22 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify.com](https://appshunter.io/developer/1130631061) | [学勇 张](https://appshunter.io/developer/590340880) |

## 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 Security+ Prep

[App page](https://appshunter.io/ios/app/comptia-security-plus-prep/id6478573710)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY | $19.99 | per month |
| 3 MONTHS | $39.99 | per 3 months |
| YEARLY | $59.99 | per year |


## Frequently asked questions

### Is uCertifyPrep CSSLP free?

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

### Is CompTIA Security+ Prep free?

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

### Do uCertifyPrep CSSLP or CompTIA Security+ Prep have ads?

Neither uCertifyPrep CSSLP nor CompTIA Security+ Prep shows ads.

### Which is updated more often, uCertifyPrep CSSLP or CompTIA Security+ Prep?

uCertifyPrep CSSLP ships an update every 3 months, and CompTIA Security+ Prep every 4 months. Most recently, uCertifyPrep CSSLP was updated on October 1, 2026 and CompTIA Security+ Prep on September 17, 2026.

---

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