# ZH Sec vs Cathay Sec. HK

The clearest difference is iOS requirement: ZH Sec at 12.0 against Cathay Sec. HK'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.

ZH Sec ships an update monthly, Cathay Sec. HK every 2 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ZH Sec | Cathay Sec. HK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 38 MB | 81 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [中昊证券有限公司](https://appshunter.io/developer/1701019830) | [Cathay Securities (Hong Kong) Limited](https://appshunter.io/developer/1726104809) |

## What reviewers say

### ZH Sec

[App page](https://appshunter.io/ios/app/zh-sec/id6457945560)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cathay Sec. HK

[App page](https://appshunter.io/ios/app/cathay-sec-hk/id6762594077)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZH Sec free?

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

### Is Cathay Sec. HK free?

Cathay Sec. HK is free to download, with no in-app purchases.

### Do ZH Sec or Cathay Sec. HK have ads?

Neither ZH Sec nor Cathay Sec. HK shows ads.

### Which is updated more often, ZH Sec or Cathay Sec. HK?

ZH Sec ships an update monthly, and Cathay Sec. HK every 2 months. Most recently, ZH Sec was updated on October 11, 2026 and Cathay Sec. HK on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*