# ARK PRO Trader vs Trading Strategy Calculator

The clearest difference is in-app purchases: ARK PRO Trader at none against Trading Strategy Calculator's 1. ARK PRO Trader also leads on iOS requirement (14.0 vs 17). Trading Strategy Calculator's advantage is update cadence (fortnightly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Trading Strategy Calculator sells 1 one-off in-app purchase. ARK PRO Trader asks for nothing beyond the download.

ARK PRO Trader ships an update every 7 months, Trading Strategy Calculator fortnightly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ARK PRO Trader | Trading Strategy Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 62 MB | 10 MB |
| Requires iOS | **14.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ARK CAPITAL MANAGEMENT (DUBAI) LIMITED](https://appshunter.io/developer/1656741100) | [A.I. Software Apps](https://appshunter.io/developer/1801613663) |

## What reviewers say

### ARK PRO Trader

[App page](https://appshunter.io/ios/app/ark-pro-trader/id6444772940)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trading Strategy Calculator

[App page](https://appshunter.io/ios/app/trading-strategy-calculator/id6749189478)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TradingCalc Pro | $4.99 | one-time |


## Frequently asked questions

### Is ARK PRO Trader free?

ARK PRO Trader is free to download, with no in-app purchases.

### Is Trading Strategy Calculator free?

Trading Strategy Calculator is free to download, with in-app purchases available.

### Do ARK PRO Trader or Trading Strategy Calculator have ads?

Neither ARK PRO Trader nor Trading Strategy Calculator shows ads.

### Which is updated more often, ARK PRO Trader or Trading Strategy Calculator?

ARK PRO Trader ships an update every 7 months, and Trading Strategy Calculator fortnightly. Most recently, ARK PRO Trader was updated on November 3, 2026 and Trading Strategy Calculator on November 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.*