# Learn Skeletal System vs Urinary System Quiz

The clearest difference is iOS requirement: Learn Skeletal System at 8.0 against Urinary System Quiz's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Learn Skeletal System costs $1.99 and Urinary System Quiz $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Skeletal System ships an update every 33 months, Urinary System Quiz every 29 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Learn Skeletal System | Urinary System Quiz |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/urinary-system-quiz-anatomy/id1540345802/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 29 months** |
| Monetization | — | Paid |
| Size | 19 MB | 56 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nurten PIRLI](https://appshunter.io/developer/1495958705) | [Alpha Dog Marketing LLC](https://appshunter.io/developer/1532429744) |

## What reviewers say

### Learn Skeletal System

[App page](https://appshunter.io/ios/app/learn-skeletal-system/id1503289845)

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

**In-app purchases:** none


### Urinary System Quiz

[App page](https://appshunter.io/ios/app/urinary-system-quiz-anatomy/id1540345802)

Test your knowledge of the urinary system with over 300 quiz questions covering structure, function, and core concepts. Features three difficulty levels to aid in class preparation and grade improvement.

**Highlights:** Over 300 quiz questions, Covers structure and function, Includes excretion, renal circulation, nephron, Three difficulty levels, Helps prepare for class, Improves grades

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

**In-app purchases:** none


## Frequently asked questions

### Is Learn Skeletal System free?

Learn Skeletal System costs $1.99, with no in-app purchases.

### Is Urinary System Quiz free?

Urinary System Quiz costs $1.99, with no in-app purchases.

### Do Learn Skeletal System or Urinary System Quiz have ads?

Neither Learn Skeletal System nor Urinary System Quiz shows ads.

### Which is updated more often, Learn Skeletal System or Urinary System Quiz?

Learn Skeletal System ships an update every 33 months, and Urinary System Quiz every 29 months. Most recently, Learn Skeletal System was updated on October 29, 2026 and Urinary System Quiz on November 3, 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.*