# ADA Chairside Instructor vs CDA DANB Prep 2025

The clearest difference is review sentiment: ADA Chairside Instructor at 50% against CDA DANB Prep 2025's 0%. ADA Chairside Instructor also leads on ads (none vs shown) and monetization model (free vs ad-supported). CDA DANB Prep 2025's advantage is rating (4.9 vs 3.3) and update cadence (every 2 months vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CDA DANB Prep 2025 holds the better App Store score, 4.9 against 3.3. Both are backed by a comparable volume of ratings — 8 and 37 respectively. Written reviews complicate that: 50% of ADA Chairside Instructor's written reviews are positive against 0% of CDA DANB Prep 2025's, so the app with the better star average is not the one people write more warmly about.

ADA Chairside Instructor ships an update every 7 months, CDA DANB Prep 2025 every 2 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ADA Chairside Instructor | CDA DANB Prep 2025 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (8 ratings)](https://appshunter.io/ios/app/ada-chairside-instructor/id774623476/reviews) | **[4.9 (37 ratings)](https://appshunter.io/ios/app/cda-danb-prep-2025/id6446816895/reviews)** |
| Number of ratings | 8 | **37** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 192 MB | 47 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [American Dental Association](https://appshunter.io/developer/430932814) | [Krager Labs LLC](https://appshunter.io/developer/641756538) |

## What reviewers say

### ADA Chairside Instructor

[App page](https://appshunter.io/ios/app/ada-chairside-instructor/id774623476)

This app provides dental professionals with a comprehensive visual guide for patient education. It features over 250 full-color images and 25 animations covering a wide range of dental topics, from prevention to complex restorations. Users can also draw on images and email them to patients.

**Highlights:** 250+ full-color dental images, 25 animations, Draw on images and email, iCloud photo access, Upload from Camera Roll, English and Spanish text, WiFi printing, Favorites list

**Features:** macOS Compatibility

**In-app purchases:** none


### CDA DANB Prep 2025

[App page](https://appshunter.io/ios/app/cda-danb-prep-2025/id6446816895)

Prepare for the Certified Dental Assistant (CDA) exam with over 100 practice questions. Master key topics for the General Chairside Assisting, Infection Control, and Radiation Health and Safety exams. Study offline with detailed explanations and track your progress.

**Highlights:** 100+ practice questions, Covers GC, ICE, RHS topics, Detailed explanations, Progress tracking, Offline access

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

**In-app purchases:** none


## Frequently asked questions

### Is ADA Chairside Instructor free?

ADA Chairside Instructor is free to download, with no in-app purchases.

### Is CDA DANB Prep 2025 free?

CDA DANB Prep 2025 is free to download, with no in-app purchases.

### Which has better reviews, ADA Chairside Instructor or CDA DANB Prep 2025?

CDA DANB Prep 2025 is rated higher. ADA Chairside Instructor averages 3.3 out of 5 from 8 ratings, while CDA DANB Prep 2025 averages 4.9 from 37 ratings.

### Do ADA Chairside Instructor or CDA DANB Prep 2025 have ads?

CDA DANB Prep 2025 shows ads; ADA Chairside Instructor does not.

### Which is updated more often, ADA Chairside Instructor or CDA DANB Prep 2025?

ADA Chairside Instructor ships an update every 7 months, and CDA DANB Prep 2025 every 2 months. Most recently, ADA Chairside Instructor was updated on September 17, 2026 and CDA DANB Prep 2025 on September 18, 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.*