# Evidence vs NephRef

The clearest difference is price: NephRef at Free against Evidence's $54.99. NephRef also leads on update cadence (every 10 days vs every 17 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NephRef is free to download; Evidence costs $54.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Evidence ships an update every 17 months, NephRef every 10 days. The most recent releases landed on October 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Evidence | NephRef |
| --- | --- | --- |
| Price | $54.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nephref/id1486749987/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 136 MB | 44 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Usatine & Erickson Media LLC](https://appshunter.io/developer/1466894388) | [Media Foundations LLC](https://appshunter.io/developer/589717539) |

## What reviewers say

### Evidence

[App page](https://appshunter.io/ios/app/evidence-based-diagnosis-3e/id674362355)

**Features:** macOS Compatibility

**In-app purchases:** none


### NephRef

[App page](https://appshunter.io/ios/app/nephref/id1486749987)

This medical reference tool aids physicians and advanced practitioners in managing patients with kidney disease. It provides quick access to educational resources and guidance on patient referral, urgency, and interval management.

**Highlights:** Kidney disease patient care guidance, Referral management, Urgency assessment, Interval management, Educational resources access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Evidence free?

Evidence costs $54.99, with no in-app purchases.

### Is NephRef free?

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

### Do Evidence or NephRef have ads?

Neither Evidence nor NephRef shows ads.

### Which is updated more often, Evidence or NephRef?

Evidence ships an update every 17 months, and NephRef every 10 days. Most recently, Evidence was updated on October 10, 2026 and NephRef on September 18, 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.*