# MD DYNA Codes vs Microbiology Prep Quiz

The clearest difference is price: MD DYNA Codes at Free against Microbiology Prep Quiz's $0.49. Microbiology Prep Quiz's advantage is ads (none vs shown) and update cadence (every 10 days vs every 9 months). On in-app purchases, device support and iOS requirement there is nothing between them.

MD DYNA Codes is free to download; Microbiology Prep Quiz costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

MD DYNA Codes ships an update every 9 months, Microbiology Prep Quiz every 10 days. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | MD DYNA Codes | Microbiology Prep Quiz |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 10 days** |
| Size | 38 MB | 21 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [CLINICA MEDICA DR MAURICIO DE MAIO LTDA](https://appshunter.io/developer/1798256849) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### MD DYNA Codes

[App page](https://appshunter.io/ios/app/md-dyna-codes-dynamic-codes/id6743555453)

**Features:** macOS Compatibility

**In-app purchases:** none


### Microbiology Prep Quiz

[App page](https://appshunter.io/ios/app/microbiology-prep-quiz/id6755618816)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MD DYNA Codes free?

MD DYNA Codes is free to download, with no in-app purchases.

### Is Microbiology Prep Quiz free?

Microbiology Prep Quiz costs $0.49, with no in-app purchases.

### Do MD DYNA Codes or Microbiology Prep Quiz have ads?

MD DYNA Codes shows ads; Microbiology Prep Quiz does not.

### Which is updated more often, MD DYNA Codes or Microbiology Prep Quiz?

MD DYNA Codes ships an update every 9 months, and Microbiology Prep Quiz every 10 days. Most recently, MD DYNA Codes was updated on September 30, 2026 and Microbiology Prep Quiz on October 2, 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.*