# Trading Strategy Calculator vs Large Trader

The clearest difference is in-app purchases: Large Trader at none against Trading Strategy Calculator's 1. Large Trader also leads on update cadence (weekly vs fortnightly) and iOS requirement (15.1 vs 17). 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. Large Trader asks for nothing beyond the download.

Trading Strategy Calculator ships an update fortnightly, Large Trader weekly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Trading Strategy Calculator | Large Trader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 10 MB | 59 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [A.I. Software Apps](https://appshunter.io/developer/1801613663) | [IdeasIncubator S.A.](https://appshunter.io/developer/1062000961) |

## What reviewers say

### 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 |


### Large Trader

[App page](https://appshunter.io/ios/app/large-trader/id6756433929)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trading Strategy Calculator free?

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

### Is Large Trader free?

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

### Do Trading Strategy Calculator or Large Trader have ads?

Neither Trading Strategy Calculator nor Large Trader shows ads.

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

Trading Strategy Calculator ships an update fortnightly, and Large Trader weekly. Most recently, Trading Strategy Calculator was updated on October 30, 2026 and Large Trader on October 28, 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.*