# ISTQB Security Testing vs ASVAB Practice Test Prep

The clearest difference is update cadence: ASVAB Practice Test Prep at every 2 weeks against ISTQB Security Testing's every 2 months. ASVAB Practice Test Prep also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ISTQB Security Testing sells 2 in-app purchases, starting at $9.99 per month and ASVAB Practice Test Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ISTQB Security Testing ships an update every 2 months, ASVAB Practice Test Prep every 2 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | ISTQB Security Testing | ASVAB Practice Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 9 MB | 78 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [3328833 Nova Scotia Limited](https://appshunter.io/developer/1757830011) |

## What reviewers say

### ISTQB Security Testing

[App page](https://appshunter.io/ios/app/istqb-security-testing/id6738596717)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $19.99 | one-time |


### ASVAB Practice Test Prep

[App page](https://appshunter.io/ios/app/asvab-practice-test-prep/id6748975755)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is ISTQB Security Testing free?

ISTQB Security Testing is free to download, with in-app purchases available.

### Is ASVAB Practice Test Prep free?

ASVAB Practice Test Prep is free to download, with in-app purchases available.

### Do ISTQB Security Testing or ASVAB Practice Test Prep have ads?

Neither ISTQB Security Testing nor ASVAB Practice Test Prep shows ads.

### Which is updated more often, ISTQB Security Testing or ASVAB Practice Test Prep?

ISTQB Security Testing ships an update every 2 months, and ASVAB Practice Test Prep every 2 weeks. Most recently, ISTQB Security Testing was updated on October 10, 2026 and ASVAB Practice Test Prep on October 10, 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.*