# CB Alpha Trader vs ddbx.us

The clearest difference is in-app purchases: CB Alpha Trader at none against ddbx.us's 2. CB Alpha Trader also leads on device support (3 vs 1) and iOS requirement (13.4 vs 16.0). ddbx.us's advantage is update cadence (every 3 days vs every 15 months). On price and ads there is nothing between them.

Both are free to download. ddbx.us sells 2 in-app purchases, starting at $0.99 per month. CB Alpha Trader asks for nothing beyond the download.

CB Alpha Trader ships an update every 15 months, ddbx.us every 3 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CB Alpha Trader | ddbx.us |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/cb-alpha-trader/id1530392638/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 25 MB | 36 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Commercialbank of Qatar](https://appshunter.io/developer/388934619) | [Jonathan Willington](https://appshunter.io/developer/1812937388) |

## What reviewers say

### CB Alpha Trader

[App page](https://appshunter.io/ios/app/cb-alpha-trader/id1530392638)

Invest and trade in global securities from major markets including the US, UK, Europe, and Asia. This platform offers a range of features and risk management tools for quick and intuitive trading on your mobile device.

**Highlights:** Global market access (US, UK, Europe, Asia), Active investment and trading, Risk management tools, Quick and intuitive trade execution, Mobile trading on tablets and smartphones

**Features:** macOS Compatibility

**In-app purchases:** none


### ddbx.us

[App page](https://appshunter.io/ios/app/ddbxus/id6772091960)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ddbx Monthly | $0.99 | per month |
| ddbx Annual | $4.99 | per year |


## Frequently asked questions

### Is CB Alpha Trader free?

CB Alpha Trader is free to download, with no in-app purchases.

### Is ddbx.us free?

ddbx.us is free to download, with in-app purchases available.

### Do CB Alpha Trader or ddbx.us have ads?

Neither CB Alpha Trader nor ddbx.us shows ads.

### Which is updated more often, CB Alpha Trader or ddbx.us?

CB Alpha Trader ships an update every 15 months, and ddbx.us every 3 days. Most recently, CB Alpha Trader was updated on November 3, 2026 and ddbx.us on November 5, 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.*