# Simple Trader Pro vs Harmony ONETracker

The clearest difference is device support: Simple Trader Pro at 4 against Harmony ONETracker's 2. Simple Trader Pro also leads on iOS requirement (11.0 vs 13.0). On price, 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.

## The numbers

| Metric | Simple Trader Pro | Harmony ONETracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 39 MB | 61 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Simple Trader Pro LLC](https://appshunter.io/developer/1784476683) | [Ivan Basim](https://appshunter.io/developer/1801497967) |

## What reviewers say

### Simple Trader Pro

[App page](https://appshunter.io/ios/app/simple-trader-pro/id6739255280)

**Features:** macOS Compatibility

**In-app purchases:** none


### Harmony ONETracker

[App page](https://appshunter.io/ios/app/harmony-onetracker/id6743122081)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Trader Pro free?

Simple Trader Pro is free to download, with no in-app purchases.

### Is Harmony ONETracker free?

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

### Do Simple Trader Pro or Harmony ONETracker have ads?

Neither Simple Trader Pro nor Harmony ONETracker shows ads.

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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.*