# Trading Compass vs Position Size Calculator

The clearest difference is review sentiment: Trading Compass at 100% against Position Size Calculator's 0%. Trading Compass also leads on rating (5.0 vs 4.0) and monetization model (free with in-app purchases vs subscription). Position Size Calculator's advantage is ads (none vs shown). On price, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Trading Compass sells 4 in-app purchases, starting at $8.99 per month and Position Size Calculator sells 5 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Trading Compass holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of Trading Compass's written reviews are positive against 0% of Position Size Calculator's.

Trading Compass ships an update every 2 weeks, Position Size Calculator every 3 months. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Trading Compass | Position Size Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trading-compass/id6582193839/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/position-size-calculator-grid/id6743808232/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 63 MB | 6 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tung Luu Manh](https://appshunter.io/developer/1759749856) | [Christoph Stadelbauer](https://appshunter.io/developer/1746084312) |

## What reviewers say

### Trading Compass

[App page](https://appshunter.io/ios/app/trading-compass/id6582193839)

Analyze cryptocurrency market trends and exchange insights. Design, test, and receive alerts for your trading strategies. Unlock advanced features with a premium membership for enhanced analysis and strategy management.

**Highlights:** Market trend analysis, Top exchange insights, Trading strategy design, Strategy effectiveness testing, Instant trading alerts, Back-testing with extended durations, Short minimum interval analysis

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 Month) | $8.99 | per month |
| Premium+ (1 Month) | $14.99 | per month |
| Premium (1 Year) | $97.00 | per year |
| Premium+ (1 Year) | $161.99 | per year |


### 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 Trading Compass free?

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

### Is Position Size Calculator free?

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

### Which has better reviews, Trading Compass or Position Size Calculator?

Trading Compass is rated higher. Trading Compass averages 5.0 out of 5 from 1 ratings, while Position Size Calculator averages 4.0 from 1 ratings.

### Do Trading Compass or Position Size Calculator have ads?

Trading Compass shows ads; Position Size Calculator does not.

### Which is updated more often, Trading Compass or Position Size Calculator?

Trading Compass ships an update every 2 weeks, and Position Size Calculator every 3 months. Most recently, Trading Compass was updated on September 25, 2026 and Position Size Calculator on September 23, 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.*