# HKCOS eLogBook vs CSHK PLUS

The clearest difference is iOS requirement: HKCOS eLogBook at 9.3 against CSHK PLUS's 15.1. 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.

HKCOS eLogBook ships an update every 4 months, CSHK PLUS every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HKCOS eLogBook | CSHK PLUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 21 MB | 29 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong College of Orthopaedic Surgeons, THE](https://appshunter.io/developer/1472723546) | [The College of Surgeons of Hong Kong Limited](https://appshunter.io/developer/1685836640) |

## What reviewers say

### HKCOS eLogBook

[App page](https://appshunter.io/ios/app/hkcos-elogbook/id1472723547)

**Features:** macOS Compatibility

**In-app purchases:** none


### CSHK PLUS

[App page](https://appshunter.io/ios/app/cshk-plus/id6448720939)

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

**In-app purchases:** none


## Frequently asked questions

### Is HKCOS eLogBook free?

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

### Is CSHK PLUS free?

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

### Do HKCOS eLogBook or CSHK PLUS have ads?

Neither HKCOS eLogBook nor CSHK PLUS shows ads.

### Which is updated more often, HKCOS eLogBook or CSHK PLUS?

HKCOS eLogBook ships an update every 4 months, and CSHK PLUS every 2 months. Most recently, HKCOS eLogBook was updated on November 3, 2026 and CSHK PLUS 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.*