# FX Position Size Calculator vs FX LotSize

The clearest difference is ads: FX LotSize at none against FX Position Size Calculator's shown. FX LotSize also leads on update cadence (every 3 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. FX Position Size Calculator sells 1 one-off in-app purchase and FX LotSize sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FX Position Size Calculator ships an update monthly, FX LotSize every 3 days. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | FX Position Size Calculator | FX LotSize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (227 ratings)](https://appshunter.io/ios/app/fx-position-size-calculator/id1640692777/reviews)** | — |
| Number of ratings | **227** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 8 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Do Tri](https://appshunter.io/developer/846531282) | [yuki kawahito](https://appshunter.io/developer/1668178650) |

## What reviewers say

### FX Position Size Calculator

[App page](https://appshunter.io/ios/app/fx-position-size-calculator/id1640692777)

This tool helps forex traders calculate the ideal trade size by factoring in currency pairs, risk tolerance, and stop-loss levels. It simplifies risk management for both new and experienced traders, enabling more informed trading decisions.

**Highlights:** Calculate position size based on risk percentage or fixed amount, Supports all major and cross currency pairs, Adjustable exchange rates for precise customization, Automatically saves last calculation, Share calculation results easily, Fully functional offline

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### FX LotSize

[App page](https://appshunter.io/ios/app/fx-lotsize/id6445845651)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Currency Pair | $5.99 | one-time |


## Frequently asked questions

### Is FX Position Size Calculator free?

FX Position Size Calculator is free to download, with in-app purchases available.

### Is FX LotSize free?

FX LotSize is free to download, with in-app purchases available.

### Do FX Position Size Calculator or FX LotSize have ads?

FX Position Size Calculator shows ads; FX LotSize does not.

### Which is updated more often, FX Position Size Calculator or FX LotSize?

FX Position Size Calculator ships an update monthly, and FX LotSize every 3 days. Most recently, FX Position Size Calculator was updated on September 23, 2026 and FX LotSize on September 18, 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.*