# CertPrep vs NSE 4 FortiOS Network Sec Prep

The clearest difference is in-app purchases: NSE 4 FortiOS Network Sec Prep at none against CertPrep's 10. NSE 4 FortiOS Network Sec Prep also leads on iOS requirement (15.0 vs 17.0). CertPrep's advantage is update cadence (every 10 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. CertPrep sells 10 one-off in-app purchases. NSE 4 FortiOS Network Sec Prep asks for nothing beyond the download.

CertPrep ships an update every 10 days, NSE 4 FortiOS Network Sec Prep every 3 months. The most recent releases landed on October 8, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | CertPrep | NSE 4 FortiOS Network Sec Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Size | 4 MB | 27 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Waltsoft Inc](https://appshunter.io/developer/891505869) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### CertPrep

[App page](https://appshunter.io/ios/app/certprep-certification-exams/id6759506639)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SC-100 Cybersecurity Arch Pro | $9.99 | one-time |
| SC-300 Identity & Access Pro | $9.99 | one-time |
| AWS DevOps Professional | $9.99 | one-time |
| AWS Security Specialty | $9.99 | one-time |
| AWS Solutions Architect Assoc | $9.99 | one-time |
| AWS Developer Associate | $9.99 | one-time |
| AWS GenAI Professional | $9.99 | one-time |
| AWS Adv Networking | $9.99 | one-time |
| AWS Cloud Practitioner | $9.99 | one-time |
| AWS Data Engineer | $9.99 | one-time |


### NSE 4 FortiOS Network Sec Prep

[App page](https://appshunter.io/ios/app/nse-4-fortios-network-sec-prep/id6761886241)

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

**In-app purchases:** none


## Frequently asked questions

### Is CertPrep free?

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

### Is NSE 4 FortiOS Network Sec Prep free?

NSE 4 FortiOS Network Sec Prep is free to download, with no in-app purchases.

### Do CertPrep or NSE 4 FortiOS Network Sec Prep have ads?

Neither CertPrep nor NSE 4 FortiOS Network Sec Prep shows ads.

### Which is updated more often, CertPrep or NSE 4 FortiOS Network Sec Prep?

CertPrep ships an update every 10 days, and NSE 4 FortiOS Network Sec Prep every 3 months. Most recently, CertPrep was updated on October 8, 2026 and NSE 4 FortiOS Network Sec Prep on October 23, 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.*