# RN’s Study Guide vs MGH Nephrology Guide

The clearest difference is ads: MGH Nephrology Guide at none against RN’s Study Guide's shown. MGH Nephrology Guide also leads on chart position (#185 vs unranked) and ratings volume (26 vs 4). RN’s Study Guide's advantage is iOS requirement (13.0 vs 15.0). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. RN’s Study Guide sells 1 one-off in-app purchase and MGH Nephrology Guide sells 1 in-app purchase, starting at $49.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for RN’s Study Guide against 4.7 for MGH Nephrology Guide. That said, the two scores are not equally well evidenced: MGH Nephrology Guide has 26 ratings behind it against 4, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | RN’s Study Guide | MGH Nephrology Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/rns-study-guide/id1293678818/reviews)** | [4.7 (26 ratings)](https://appshunter.io/ios/app/mgh-nephrology-guide/id1346849427/reviews) |
| Number of ratings | 4 | **26** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#185** |
| Size | 46 MB | 10 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) |

## What reviewers say

### RN’s Study Guide

[App page](https://appshunter.io/ios/app/rns-study-guide/id1293678818)

This app condenses essential nursing knowledge into manageable basics for students and professionals. It simplifies complex health problems with practical tips, medical terms, and precautions. Access comprehensive content offline after initial download.

**Highlights:** Condensed nursing knowledge, Simplified health problem explanations, Nursing tips and precautions, Medical terms and anatomy, Offline content access, SmartSearch technology

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RN’s Study Guide | $29.99 | one-time |


### MGH Nephrology Guide

[App page](https://appshunter.io/ios/app/mgh-nephrology-guide/id1346849427)

**Currently charting:** #185 Top Grossing · Medical (US App Store)

A quick reference for diagnosing and managing kidney disease, electrolyte, and acid-base disorders. Developed by MGH experts, it offers over 150 topics with extensive tables, figures, and images. Stay updated with regular content delivery and access linked literature.

**Highlights:** 150+ topics in fast-read format, 320+ tables, charts, and figures, Detailed sections on dialysis and transplantation, Regular automatic updates, Highlighting and custom notes, Link to primary literature via Prime PubMed, Keyword search and bookmarking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MGH Nephrology Guide | $49.99 | per year |


## Frequently asked questions

### Is RN’s Study Guide free?

RN’s Study Guide is free to download, with in-app purchases available.

### Is MGH Nephrology Guide free?

MGH Nephrology Guide is free to download, with in-app purchases available.

### Which has better reviews, RN’s Study Guide or MGH Nephrology Guide?

RN’s Study Guide is rated higher. RN’s Study Guide averages 4.8 out of 5 from 4 ratings, while MGH Nephrology Guide averages 4.7 from 26 ratings.

### Do RN’s Study Guide or MGH Nephrology Guide have ads?

RN’s Study Guide shows ads; MGH Nephrology Guide does not.

### Which is updated more often, RN’s Study Guide or MGH Nephrology Guide?

RN’s Study Guide ships an update every 6 months, and MGH Nephrology Guide every 6 months. Most recently, RN’s Study Guide was updated on September 18, 2026 and MGH Nephrology Guide on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*