# SecurityX Exam by Rocket Prep vs Locked In

The clearest difference is update cadence: Locked In at every 2 weeks against SecurityX Exam by Rocket Prep's every 5 months. SecurityX Exam by Rocket Prep's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SecurityX Exam by Rocket Prep ships an update every 5 months, Locked In every 2 weeks. The most recent releases landed on September 20, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | SecurityX Exam by Rocket Prep | Locked In |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 42 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### SecurityX Exam by Rocket Prep

[App page](https://appshunter.io/ios/app/securityx-exam-by-rocket-prep/id6752248998)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecurityX Weekly Full Access | $8.99 | per 7 days |
| SecurityX Monthly Full Access | $22.99 | per month |
| SecurityX Monthly Full Access | $22.99 | per month |
| SecurityX_mock_tries_1 | $4.99 | one-time |
| SecurityX_mock_tries_3 | $9.99 | one-time |
| SecurityX_mock_tries_5 | $14.99 | one-time |


### Locked In

[App page](https://appshunter.io/ios/app/locked-in-prep-for-securityx/id6770693421)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecurityX Full Unlock | $14.99 | one-time |


## Frequently asked questions

### Is SecurityX Exam by Rocket Prep free?

SecurityX Exam by Rocket Prep is free to download, with in-app purchases available.

### Is Locked In free?

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

### Do SecurityX Exam by Rocket Prep or Locked In have ads?

Neither SecurityX Exam by Rocket Prep nor Locked In shows ads.

### Which is updated more often, SecurityX Exam by Rocket Prep or Locked In?

SecurityX Exam by Rocket Prep ships an update every 5 months, and Locked In every 2 weeks. Most recently, SecurityX Exam by Rocket Prep was updated on September 20, 2026 and Locked In on September 1, 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.*