# Kidney Guard vs Kidneybook

The clearest difference is ads: Kidneybook at none against Kidney Guard's shown. Kidney Guard's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence 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 Guard ships an update fortnightly, Kidneybook every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Kidney Guard | Kidneybook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 30 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Luc Pham Van](https://appshunter.io/developer/1544588097) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### Kidney Guard

[App page](https://appshunter.io/ios/app/kidney-guard/id6789797086)

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

**In-app purchases:** none


### Kidneybook

[App page](https://appshunter.io/ios/app/kidneybook-ckd-lab-tracker/id6794885236)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kidney Guard free?

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

### Is Kidneybook free?

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

### Do Kidney Guard or Kidneybook have ads?

Kidney Guard shows ads; Kidneybook does not.

### Which is updated more often, Kidney Guard or Kidneybook?

Kidney Guard ships an update fortnightly, and Kidneybook every 2 weeks. Most recently, Kidney Guard was updated on October 31, 2026 and Kidneybook on October 31, 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.*