# 正大國際TRS vs CIS

The clearest difference is update cadence: CIS at every 2 weeks against 正大國際TRS's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

正大國際TRS ships an update every 3 months, CIS every 2 weeks. The most recent releases landed on September 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 正大國際TRS | CIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 60 MB | 59 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Zheng Da International Capital Holding Limited](https://appshunter.io/developer/1861402414) | [China International Securities Limited](https://appshunter.io/developer/1242736458) |

## What reviewers say

### 正大國際TRS

[App page](https://appshunter.io/ios/app/trs/id6756558577)

**Features:** macOS Compatibility

**In-app purchases:** none


### CIS

[App page](https://appshunter.io/ios/app/cis/id6757727715)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 正大國際TRS free?

正大國際TRS is free to download, with no in-app purchases.

### Is CIS free?

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

### Do 正大國際TRS or CIS have ads?

Neither 正大國際TRS nor CIS shows ads.

### Which is updated more often, 正大國際TRS or CIS?

正大國際TRS ships an update every 3 months, and CIS every 2 weeks. Most recently, 正大國際TRS was updated on September 28, 2026 and CIS on September 14, 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.*