# PatientBook vs CodeDark Health

The clearest difference is iOS requirement: CodeDark Health at 13.0 against PatientBook's 15.0. On price, update cadence, 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.

PatientBook ships an update fortnightly, CodeDark Health every 3 weeks. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PatientBook | CodeDark Health |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 81 MB | 79 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [xapprika](https://appshunter.io/developer/1474954693) | [Safecom Innovations LLC](https://appshunter.io/developer/1859415726) |

## What reviewers say

### PatientBook

[App page](https://appshunter.io/ios/app/patientbook/id6742101702)

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

**In-app purchases:** none


### CodeDark Health

[App page](https://appshunter.io/ios/app/codedark-health/id6756235207)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PatientBook free?

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

### Is CodeDark Health free?

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

### Do PatientBook or CodeDark Health have ads?

Neither PatientBook nor CodeDark Health shows ads.

### Which is updated more often, PatientBook or CodeDark Health?

PatientBook ships an update fortnightly, and CodeDark Health every 3 weeks. Most recently, PatientBook was updated on November 8, 2026 and CodeDark Health on October 30, 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.*