# AAPD Annual Session vs PDB Prep

The clearest difference is in-app purchases: AAPD Annual Session at none against PDB Prep's 4. AAPD Annual Session also leads on review sentiment (67% vs 47%). PDB Prep's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDB Prep sells 4 in-app purchases, starting at $99.99 per month. AAPD Annual Session asks for nothing beyond the download.

AAPD Annual Session ships an update every 5 months, PDB Prep every 3 weeks. The most recent releases landed on September 6, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | AAPD Annual Session | PDB Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (326 ratings)](https://appshunter.io/ios/app/aapd-annual-session/id1065654872/reviews)** | — |
| Number of ratings | **326** | — |
| Positive reviews | **66.7% of reviews** | 46.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 80 MB | 70 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [The American Academy of Pediatric Dentistry](https://appshunter.io/developer/495286441) | [Steven Glickman](https://appshunter.io/developer/1618986296) |

## What reviewers say

### AAPD Annual Session

[App page](https://appshunter.io/ios/app/aapd-annual-session/id1065654872)

Access presentations, slides, and posters from the AAPD Annual Session. Draw, highlight, and take notes directly on slides, with all your notes saved online for later access.

**Highlights:** Access presentations, slides, and posters, Draw and highlight on slides, Take notes adjacent to slides, Online saving of notes, Access notes via online personal summary

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

**In-app purchases:** none


### PDB Prep

[App page](https://appshunter.io/ios/app/pdb-prep/id1618986294)

Prepare for your Pediatric Dental Board exams with a comprehensive flashcard system. Access over 1,000 high-yield questions, detailed explanations, and clinical scenarios to build in-depth knowledge. Track your progress and master the material for test day success.

**Highlights:** 1,000+ high-yield questions, 8 exam-based categories, Detailed explanations, Full-color images, Clinical scenarios with radiographs, Question sorting by knowledge level

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $99.99 | per month |
| Quarterly Premium | $149.99 | per 3 months |
| Six Month Premium | $199.99 | per 6 months |
| Yearly Premium | $249.99 | per year |


## Frequently asked questions

### Is AAPD Annual Session free?

AAPD Annual Session is free to download, with no in-app purchases.

### Is PDB Prep free?

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

### Do AAPD Annual Session or PDB Prep have ads?

Neither AAPD Annual Session nor PDB Prep shows ads.

### Which is updated more often, AAPD Annual Session or PDB Prep?

AAPD Annual Session ships an update every 5 months, and PDB Prep every 3 weeks. Most recently, AAPD Annual Session was updated on September 6, 2026 and PDB Prep on September 8, 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.*