# ADAT Behavioral Science vs PDB Prep

The clearest difference is price: PDB Prep at Free against ADAT Behavioral Science's $7.99. PDB Prep also leads on review sentiment (47% vs 33%). ADAT Behavioral Science's advantage is in-app purchases (none vs 4) and iOS requirement (9.1 vs 15.0). On update cadence, ads and device support there is nothing between them.

PDB Prep is free to download; ADAT Behavioral Science costs $7.99 up front. PDB Prep sells 4 in-app purchases, starting at $99.99 per month. ADAT Behavioral Science asks for nothing beyond the download.

ADAT Behavioral Science ships an update fortnightly, PDB Prep every 3 weeks. The most recent releases landed on September 16, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ADAT Behavioral Science | PDB Prep |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/adat-behavioral-science/id1290071992/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | **46.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Paid** | Subscription |
| Size | 13 MB | 70 MB |
| Requires iOS | **9.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Cram Cards](https://appshunter.io/developer/733135273) | [Steven Glickman](https://appshunter.io/developer/1618986296) |

## What reviewers say

### ADAT Behavioral Science

[App page](https://appshunter.io/ios/app/adat-behavioral-science/id1290071992)

Prepare for the Advanced Dental Admission Test with digital flashcards. Study key concepts and facts efficiently on your iPhone or iPad to score higher and gain admission to competitive dental programs. Track your progress and focus on challenging material.

**Highlights:** Over 700 digital flashcards, High-yield content for ADAT, Illustrative pictures for memorization, Progress tracking, User-friendly design, Search and filter flashcards, Affordable alternative to physical cards

**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 ADAT Behavioral Science free?

ADAT Behavioral Science costs $7.99, with no in-app purchases.

### Is PDB Prep free?

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

### Do ADAT Behavioral Science or PDB Prep have ads?

Neither ADAT Behavioral Science nor PDB Prep shows ads.

### Which is updated more often, ADAT Behavioral Science or PDB Prep?

ADAT Behavioral Science ships an update fortnightly, and PDB Prep every 3 weeks. Most recently, ADAT Behavioral Science was updated on September 16, 2026 and PDB Prep on October 16, 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.*