# Chiro Prep vs ParkerU

The clearest difference is in-app purchases: ParkerU at none against Chiro Prep's 1. Chiro Prep's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chiro Prep sells 1 in-app purchase, starting at $12.99 per month. ParkerU asks for nothing beyond the download.

Chiro Prep ships an update every 3 months, ParkerU every 2 months. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Chiro Prep | ParkerU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/chiro-prep/id6449434901/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 73 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Chiro Prep LLC](https://appshunter.io/developer/1689051918) | [Parker Seminars](https://appshunter.io/developer/843810570) |

## What reviewers say

### Chiro Prep

[App page](https://appshunter.io/ios/app/chiro-prep/id6449434901)

Prepare for your chiropractic board exams with a comprehensive question bank. Save questions, create custom exams, and resume tests at your convenience. Content is continuously updated to help you succeed.

**Highlights:** Thousands of practice questions, Resume incomplete exams, Save questions to folders, Create custom exams, Covers Parts 1, 2, 3, 4, and PT, Daily content updates

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chiro Prep Content | $12.99 | per month |


### ParkerU

[App page](https://appshunter.io/ios/app/parkeru/id6477445838)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chiro Prep free?

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

### Is ParkerU free?

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

### Do Chiro Prep or ParkerU have ads?

Neither Chiro Prep nor ParkerU shows ads.

### Which is updated more often, Chiro Prep or ParkerU?

Chiro Prep ships an update every 3 months, and ParkerU every 2 months. Most recently, Chiro Prep was updated on September 7, 2026 and ParkerU on September 17, 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.*