# Conversions vs Anatomy & Physiology *

The clearest difference is ads: Conversions at none against Anatomy & Physiology *'s shown. Conversions also leads on review sentiment (100% vs 67%) and update cadence (weekly vs every 4 months). On price 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.

Conversions ships an update weekly, Anatomy & Physiology * every 4 months. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Conversions | Anatomy & Physiology * |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (99 ratings)](https://appshunter.io/ios/app/anatomy-and-physiology/id1499161728/reviews)** |
| Number of ratings | — | **99** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 23 MB | 5 MB |
| Requires iOS | **8.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Petr Zvonicek](https://appshunter.io/developer/501623515) | [Steve Veloudos](https://appshunter.io/developer/1000253559) |

## What reviewers say

### Conversions

[App page](https://appshunter.io/ios/app/conversions-unit-conversion-practice/id1097032344)

Practice unit conversions with this adaptive educational app. It offers a variety of exercises covering length, mass, area, temperature, and currency conversions using metric and imperial systems.

**Highlights:** Adaptive learning exercises, Length, mass, and area conversions, Temperature conversion practice, Currency conversion exercises, Metric and imperial unit support

**Features:** macOS Compatibility

**In-app purchases:** none


### Anatomy & Physiology *

[App page](https://appshunter.io/ios/app/anatomy-and-physiology/id1499161728)

Test your knowledge of the human body with rotating quiz questions. Developed by college professors, this app offers rapid-fire practice for classes and last-minute study sessions. It features four distinct quiz topics with randomized questions for each subject.

**Highlights:** Rotating quiz questions, Professor-written questions, Four quiz topics, Rapid-fire practice, Test readiness

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Conversions free?

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

### Is Anatomy & Physiology * free?

Anatomy & Physiology * is free to download, with no in-app purchases.

### Do Conversions or Anatomy & Physiology * have ads?

Anatomy & Physiology * shows ads; Conversions does not.

### Which is updated more often, Conversions or Anatomy & Physiology *?

Conversions ships an update weekly, and Anatomy & Physiology * every 4 months. Most recently, Conversions was updated on October 2, 2026 and Anatomy & Physiology * on October 8, 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.*