# DDS GP vs Crown Preps

The clearest difference is in-app purchases: Crown Preps at none against DDS GP's 5. Crown Preps also leads on ads (none vs shown) and rating (5.0 vs 4.7). DDS GP's advantage is update cadence (fortnightly vs monthly) and ratings volume (11 vs 3). On price and device support there is nothing between them.

Both are free to download. DDS GP sells 5 in-app purchases, starting at $89.00 per month. Crown Preps asks for nothing beyond the download.

Crown Preps holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 11 and 3 respectively.

DDS GP ships an update fortnightly, Crown Preps monthly. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | DDS GP | Crown Preps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (11 ratings)](https://appshunter.io/ios/app/dds-gp/id386704683/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/crown-preps/id1348462305/reviews)** |
| Number of ratings | **11** | 3 |
| Positive reviews | 78.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 252 MB | 171 MB |
| Requires iOS | 17.5 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Kick Your Apps, Inc.](https://appshunter.io/developer/386704686) | [Acadental Inc.](https://appshunter.io/developer/1159400296) |

## What reviewers say

### DDS GP

[App page](https://appshunter.io/ios/app/dds-gp/id386704683)

This application helps dental professionals visually explain oral health conditions and treatment options to their patients. It allows users to draw on the screen, add their own images, and create custom treatment plans for printing or sending.

**Highlights:** Visual patient consultations, Tap and drag to show conditions, On-screen drawing and saving, Add and draw on custom images, Custom treatment plan creation, Over 200 demonstrations

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $89.00 | per month |
| Yearly | $499.00 | per year |
| Yearly Special | $499.99 | per year |
| DDS YES Homoly Content | $99.99 | one-time |
| Lifetime Membership | $1699.99 | one-time |


### Crown Preps

[App page](https://appshunter.io/ios/app/crown-preps/id1348462305)

This interactive 3D tutorial guides users through the steps and requirements for preparing different types of dental crowns. It offers customizable quizzes and allows sharing of progress with others. Developed with input from dental professionals.

**Highlights:** 3D interactive crown prep tutorial, Covers Full Gold, PFM, and All Ceramic crowns, Customizable quizzes with specific parameters, Share quizzes via short codes, Review procedures from all angles

**In-app purchases:** none


## Frequently asked questions

### Is DDS GP free?

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

### Is Crown Preps free?

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

### Which has better reviews, DDS GP or Crown Preps?

Crown Preps is rated higher. DDS GP averages 4.7 out of 5 from 11 ratings, while Crown Preps averages 5.0 from 3 ratings.

### Do DDS GP or Crown Preps have ads?

DDS GP shows ads; Crown Preps does not.

### Which is updated more often, DDS GP or Crown Preps?

DDS GP ships an update fortnightly, and Crown Preps monthly. Most recently, DDS GP was updated on September 21, 2026 and Crown Preps on June 1, 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.*