# PDB Prep vs Dental Age

The clearest difference is review sentiment: Dental Age at 100% against PDB Prep's 47%. Dental Age also leads on in-app purchases (none vs 4). PDB Prep's advantage is price (Free vs $2.99). On update cadence, ads, device support and iOS requirement there is nothing between them.

PDB Prep is free to download; Dental Age costs $2.99 up front. PDB Prep sells 4 in-app purchases, starting at $99.99 per month. Dental Age asks for nothing beyond the download.

PDB Prep ships an update every 3 weeks, Dental Age monthly. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | PDB Prep | Dental Age |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | 46.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Subscription | **Paid** |
| Size | 70 MB | 15 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Steven Glickman](https://appshunter.io/developer/1618986296) | [CRESCENDO TREINAMENTOS AVANCADOS LTDA](https://appshunter.io/developer/1591484139) |

## What reviewers say

### 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 |


### Dental Age

[App page](https://appshunter.io/ios/app/dental-age/id6448929682)

This application estimates a child's dental age using Demirjian's system, analyzing the developmental stages of seven mandibular teeth from panoramic radiographs. It is designed for dental professionals and students to aid in clinical assessments.

**Highlights:** Demirjian's system for dental age estimation, Analyzes seven mandibular teeth, Supports ages 3-16, Requires panoramic radiograph, For professional and educational use

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

**In-app purchases:** none


## Frequently asked questions

### Is PDB Prep free?

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

### Is Dental Age free?

Dental Age costs $2.99, with no in-app purchases.

### Do PDB Prep or Dental Age have ads?

Neither PDB Prep nor Dental Age shows ads.

### Which is updated more often, PDB Prep or Dental Age?

PDB Prep ships an update every 3 weeks, and Dental Age monthly. Most recently, PDB Prep was updated on October 16, 2026 and Dental Age on October 4, 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.*