# DP vs PhlashCards Security Test Prep

The clearest difference is update cadence: DP at every 2 weeks against PhlashCards Security Test Prep's every 3 months. DP also leads on iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DP sells 2 one-off in-app purchases and PhlashCards Security Test Prep sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

DP ships an update every 2 weeks, PhlashCards Security Test Prep every 3 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DP | PhlashCards Security Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 44 MB | 64 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EXAMCERT PTY LTD](https://appshunter.io/developer/1830664214) | [Hodge Podgin LLC](https://appshunter.io/developer/1873814194) |

## What reviewers say

### DP

[App page](https://appshunter.io/ios/app/dp-900-data-fundamentals-2026/id6757302272)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 AI Credits | $1.99 | one-time |
| Unlock Premium | $5.99 | one-time |


### PhlashCards Security Test Prep

[App page](https://appshunter.io/ios/app/phlashcards-security-test-prep/id6759810555)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Security+ Premium | $14.99 | one-time |
| Pentest+ Premium | $14.99 | one-time |
| SecAI+ Premium | $19.99 | one-time |
| CISSP Premium | $19.99 | one-time |


## Frequently asked questions

### Is DP free?

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

### Is PhlashCards Security Test Prep free?

PhlashCards Security Test Prep is free to download, with in-app purchases available.

### Do DP or PhlashCards Security Test Prep have ads?

Neither DP nor PhlashCards Security Test Prep shows ads.

### Which is updated more often, DP or PhlashCards Security Test Prep?

DP ships an update every 2 weeks, and PhlashCards Security Test Prep every 3 months. Most recently, DP was updated on November 5, 2026 and PhlashCards Security Test Prep on October 31, 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.*