# kidney.wiki vs PREP Self

The clearest difference is rating: kidney.wiki at 5.0 against PREP Self's 3.7. kidney.wiki also leads on review sentiment (100% vs 67%) and iOS requirement (13.0 vs 15.6). On price, ratings volume, ads 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.

kidney.wiki holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 14 and 9 respectively. Written reviews point the same way: 100% of kidney.wiki's written reviews are positive against 67% of PREP Self's.

## The numbers

| Metric | kidney.wiki | PREP Self |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/kidneywiki-learn-kidneys/id6474148700/reviews)** | [3.7 (9 ratings)](https://appshunter.io/ios/app/prep-self-assessments-program/id6756599702/reviews) |
| Number of ratings | **14** | 9 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Monetization | Free | Free |
| Size | 3 MB | 44 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ryan Town](https://appshunter.io/developer/1720802818) | [American Academy of Pediatrics](https://appshunter.io/developer/409863343) |

## What reviewers say

### kidney.wiki

[App page](https://appshunter.io/ios/app/kidneywiki-learn-kidneys/id6474148700)

This app provides free access to pediatric nephrology educational resources and tools for medical professionals. It includes calculators for eGFR, kidney replacement therapy, and fluid volumes, along with links to guidelines and other nephrology resources.

**Highlights:** Pediatric CKiD U25 eGFR calculator, Kidney replacement therapy (KRT) calculator, Adult CKD-EPI eGFR calculator, Body water and body surface area calculator, Peritoneal and hemodialysis adequacy calculators, Links to nephrology FOAMed resources, Latest nephrology guidelines (KDIGO, KDOQI)

**Features:** macOS Compatibility

**In-app purchases:** none


### PREP Self

[App page](https://appshunter.io/ios/app/prep-self-assessments-program/id6756599702)

Access trusted pediatric learning content through a new mobile app. Build a personalized question bank by selecting blocks from various content areas to fit your learning style and schedule. Earn CME credits and MOC points with each block.

**Highlights:** Trusted PREP content, Customizable question bank, Case-based questions, Earn CME credits, Earn MOC points, Modern user interface

**In-app purchases:** none


## Frequently asked questions

### Is kidney.wiki free?

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

### Is PREP Self free?

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

### Which has better reviews, kidney.wiki or PREP Self?

kidney.wiki is rated higher. kidney.wiki averages 5.0 out of 5 from 14 ratings, while PREP Self averages 3.7 from 9 ratings.

### Do kidney.wiki or PREP Self have ads?

Neither kidney.wiki nor PREP Self shows ads.

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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.*