# ZBToken vs Sterling Trader STM

The clearest difference is update cadence: Sterling Trader STM at every 5 months against ZBToken's every 21 months. ZBToken's advantage is iOS requirement (11.0 vs 16.0). 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.

ZBToken ships an update every 21 months, Sterling Trader STM every 5 months. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ZBToken | Sterling Trader STM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 months** |
| Size | 4 MB | 21 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Banksoft d.o.o.](https://appshunter.io/developer/544695525) | [Professional Trading Solutions](https://appshunter.io/developer/960316453) |

## What reviewers say

### ZBToken

[App page](https://appshunter.io/ios/app/zbtoken/id1058770450)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sterling Trader STM

[App page](https://appshunter.io/ios/app/sterling-trader-stm/id6463712003)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZBToken free?

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

### Is Sterling Trader STM free?

Sterling Trader STM is free to download, with no in-app purchases.

### Do ZBToken or Sterling Trader STM have ads?

Neither ZBToken nor Sterling Trader STM shows ads.

### Which is updated more often, ZBToken or Sterling Trader STM?

ZBToken ships an update every 21 months, and Sterling Trader STM every 5 months. Most recently, ZBToken was updated on September 28, 2026 and Sterling Trader STM on October 7, 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.*