# PFM Client App vs Position Size Calculator

The clearest difference is in-app purchases: PFM Client App at none against Position Size Calculator's 5. PFM Client App also leads on device support (3 vs 1) and iOS requirement (13.4 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. Position Size Calculator sells 5 in-app purchases, starting at $2.99 per 7 days. PFM Client App asks for nothing beyond the download.

PFM Client App ships an update every 4 months, Position Size Calculator every 3 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PFM Client App | Position Size Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/position-size-calculator-grid/id6743808232/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | — | Subscription |
| Size | 41 MB | 6 MB |
| Requires iOS | **13.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Peak Financial Management](https://appshunter.io/developer/1223596995) | [Christoph Stadelbauer](https://appshunter.io/developer/1746084312) |

## What reviewers say

### PFM Client App

[App page](https://appshunter.io/ios/app/pfm-client-app/id1223596996)

**Features:** macOS Compatibility

**In-app purchases:** none


### Position Size Calculator

[App page](https://appshunter.io/ios/app/position-size-calculator-grid/id6743808232)

This app provides quick and accurate lot size calculations for various trading instruments directly on your mobile device. It supports Forex, Metals, Commodities, Indices, and Crypto, with a customizable instrument library and support for all major account currencies.

**Highlights:** Accurate lot size calculations, Supports Forex, Metals, Commodities, Indices, Crypto, Customizable contract size, tick size, tick value, Built-in instrument library, Works with all major account currencies, Fast and minimal interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grid Premium | $2.99 | per 7 days |
| Grid Premium | $4.99 | per 7 days |
| Grid Premium | $19.99 | per year |
| Grid Premium | $29.99 | per year |
| Grid Premium Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is PFM Client App free?

PFM Client App is free to download, with no in-app purchases.

### Is Position Size Calculator free?

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

### Do PFM Client App or Position Size Calculator have ads?

Neither PFM Client App nor Position Size Calculator shows ads.

### Which is updated more often, PFM Client App or Position Size Calculator?

PFM Client App ships an update every 4 months, and Position Size Calculator every 3 months. Most recently, PFM Client App was updated on November 2, 2026 and Position Size Calculator on October 30, 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.*