# Human Digestive System Guide vs Gastrointestinal Disorders

The clearest difference is in-app purchases: Human Digestive System Guide at none against Gastrointestinal Disorders's 1. Human Digestive System Guide also leads on update cadence (every 3 months vs every 13 months) and iOS requirement (6.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. Gastrointestinal Disorders sells 1 one-off in-app purchase. Human Digestive System Guide asks for nothing beyond the download.

Human Digestive System Guide ships an update every 3 months, Gastrointestinal Disorders every 13 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Human Digestive System Guide | Gastrointestinal Disorders |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Size | 12 MB | 16 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [rahul baweja](https://appshunter.io/developer/804610215) | [Andrey Andreyev](https://appshunter.io/developer/1418253369) |

## What reviewers say

### Human Digestive System Guide

[App page](https://appshunter.io/ios/app/human-digestive-system-guide/id1083469948)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gastrointestinal Disorders

[App page](https://appshunter.io/ios/app/gastrointestinal-disorders/id6446897665)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GSD NCLEX Prep Exam test | $3.99 | one-time |


## Frequently asked questions

### Is Human Digestive System Guide free?

Human Digestive System Guide is free to download, with no in-app purchases.

### Is Gastrointestinal Disorders free?

Gastrointestinal Disorders is free to download, with in-app purchases available.

### Do Human Digestive System Guide or Gastrointestinal Disorders have ads?

Neither Human Digestive System Guide nor Gastrointestinal Disorders shows ads.

### Which is updated more often, Human Digestive System Guide or Gastrointestinal Disorders?

Human Digestive System Guide ships an update every 3 months, and Gastrointestinal Disorders every 13 months. Most recently, Human Digestive System Guide was updated on October 13, 2026 and Gastrointestinal Disorders on October 6, 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.*