# ADA Chairside Instructor vs Optio Dentistry

The clearest difference is iOS requirement: Optio Dentistry at 9.0 against ADA Chairside Instructor's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ADA Chairside Instructor ships an update every 7 months, Optio Dentistry every 9 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ADA Chairside Instructor | Optio Dentistry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (8 ratings)](https://appshunter.io/ios/app/ada-chairside-instructor/id774623476/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | Free | — |
| Size | 192 MB | 8 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [American Dental Association](https://appshunter.io/developer/430932814) | [Optio Publishing](https://appshunter.io/developer/894143548) |

## 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


### Optio Dentistry

[App page](https://appshunter.io/ios/app/optio-dentistry/id894143545)

**Features:** macOS Compatibility

**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 Optio Dentistry free?

Optio Dentistry is free to download, with no in-app purchases.

### Do ADA Chairside Instructor or Optio Dentistry have ads?

Neither ADA Chairside Instructor nor Optio Dentistry shows ads.

### Which is updated more often, ADA Chairside Instructor or Optio Dentistry?

ADA Chairside Instructor ships an update every 7 months, and Optio Dentistry every 9 months. Most recently, ADA Chairside Instructor was updated on October 6, 2026 and Optio Dentistry 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.*