# PMI PMP exam preparation vs DP

The clearest difference is in-app purchases: DP at none against PMI PMP exam preparation's 2. DP also leads on update cadence (every 3 months vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PMI PMP exam preparation sells 2 in-app purchases, starting at $7.99 per month. DP asks for nothing beyond the download.

PMI PMP exam preparation ships an update every 11 months, DP every 3 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PMI PMP exam preparation | DP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Size | 28 MB | 27 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sai Kumar](https://appshunter.io/developer/1345543090) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### PMI PMP exam preparation

[App page](https://appshunter.io/ios/app/pmi-pmp-exam-preparation/id6737227841)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $7.99 | per month |
| Lifetime Premium Access | $14.99 | one-time |


### DP

[App page](https://appshunter.io/ios/app/dp-800-sql-ai-developer-prep/id6772457661)

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

**In-app purchases:** none


## Frequently asked questions

### Is PMI PMP exam preparation free?

PMI PMP exam preparation is free to download, with in-app purchases available.

### Is DP free?

DP is free to download, with no in-app purchases.

### Do PMI PMP exam preparation or DP have ads?

Neither PMI PMP exam preparation nor DP shows ads.

### Which is updated more often, PMI PMP exam preparation or DP?

PMI PMP exam preparation ships an update every 11 months, and DP every 3 months. Most recently, PMI PMP exam preparation was updated on October 30, 2026 and DP on October 28, 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.*