# Chiropractic Ethics CA vs Thompson Protocol

The clearest difference is price: Thompson Protocol at Free against Chiropractic Ethics CA's $4.99. Thompson Protocol also leads on update cadence (every 10 days vs every 8 months). Chiropractic Ethics CA's advantage is iOS requirement (13.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Thompson Protocol is free to download; Chiropractic Ethics CA costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chiropractic Ethics CA ships an update every 8 months, Thompson Protocol every 10 days. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Chiropractic Ethics CA | Thompson Protocol |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/chiropractic-ethics-ca/id1550458210/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 17 MB | 123 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Pro Exam Prep LLC](https://appshunter.io/developer/1790101787) | [Sergio Pazzona](https://appshunter.io/developer/594653684) |

## What reviewers say

### Chiropractic Ethics CA

[App page](https://appshunter.io/ios/app/chiropractic-ethics-ca/id1550458210)

Prepare for your California chiropractic ethics exams with practice questions designed by students who have taken the boards. This app offers over 200 new questions, mock exams, and progress tracking charts to help you study and pass.

**Highlights:** 200+ new practice questions, Mock exams, Progress tracking charts, California-specific ethics content, Revised review material

**Features:** macOS Compatibility

**In-app purchases:** none


### Thompson Protocol

[App page](https://appshunter.io/ios/app/thompson-protocol/id6478398820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chiropractic Ethics CA free?

Chiropractic Ethics CA costs $4.99, with no in-app purchases.

### Is Thompson Protocol free?

Thompson Protocol is free to download, with no in-app purchases.

### Do Chiropractic Ethics CA or Thompson Protocol have ads?

Neither Chiropractic Ethics CA nor Thompson Protocol shows ads.

### Which is updated more often, Chiropractic Ethics CA or Thompson Protocol?

Chiropractic Ethics CA ships an update every 8 months, and Thompson Protocol every 10 days. Most recently, Chiropractic Ethics CA was updated on June 1, 2026 and Thompson Protocol on September 9, 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.*