# Position Size Calculator: Grid — FX Lot, Forex, Prop Trading

> Mobile trading position size calculator for Forex, Metals, Crypto, and more. (iPhone/iPad app by Christoph Stadelbauer.)

- Source: https://appshunter.io/ios/app/position-size-calculator-grid/id6743808232 (this page in markdown: same URL + `.md`)
- Developer: [Christoph Stadelbauer](https://appshunter.io/developer/1746084312)
- Category: Finance, Productivity
- Price: Free with in-app purchases
- Rating: 4.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.6 · 6 MB
- Languages: American English
- Released: 2025-06-25
- Data updated: 2026-08-12
- Monetization: subscription
- User reviews in markdown: https://appshunter.io/ios/app/position-size-calculator-grid/id6743808232/reviews.md

## What is Position Size Calculator?

Stop fumbling with web calculators while trading. Grid puts accurate lot size calculations right on your phone. Size your positions correctly in seconds.

# Features
• Supports Forex, Metals, Commodities, Indices, and Crypto
• Customize contract size, tick size, and tick value
• Built-in instrument library with broker-specific inputs
• Works with all major account currencies
• Fast and minimal interface designed for clarity and efficiency

# Pricing
Grid is premium and ad-free. 
A subscription is required to use the app.
We offer a 7-day free trial so you can test all features.

• Annual Plan - $19.99 / year
• Weekly Plan - $2.99 / week
• Lifetime Plan - $99.99 once

Prices shown are for US customers and may vary by region.

Payment charged to Apple Account at confirmation of purchase. 
Subscription automatically renews unless canceled at least 24 hours before the end of the current period. 
Manage subscriptions in Account Settings.

Terms of Use:  https://www.stadelbauer.dev/terms-of-use
Privacy Policy: https://www.stadelbauer.dev/privacy-policy

## Key features

- 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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Grid Premium | $2.99 | per 7 days |
| Grid Premium | $19.99 | per year |
| Grid Premium | $29.99 | per year |
| Grid Premium | $4.99 | per 7 days |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Grid Premium Lifetime | $89.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/position-size-calculator-grid/id6743808232/reviews.md

### 1/5 — Not accurate

*2026-04-21*

Calculated a position the other day and it gave the lot size as 0.00??

## Frequently asked questions about Position Size Calculator

### What trading instruments does Position Size Calculator: Grid support?

Position Size Calculator: Grid supports Forex, Metals, Commodities, Indices, and Crypto. It allows customization of contract size, tick size, and tick value for precise calculations.

### How does Position Size Calculator: Grid handle different account currencies?

The app works with all major account currencies, ensuring flexibility for traders worldwide. Its interface is designed for clarity and efficiency, making calculations fast.

### What are the subscription options for Position Size Calculator: Grid?

Position Size Calculator: Grid offers a 7-day free trial. Subscription plans include a Weekly Plan for $2.99/week, an Annual Plan for $19.99/year, and a Lifetime Plan for $99.99 once. Prices may vary by region.

### How do I manage my subscription for Position Size Calculator: Grid?

Subscriptions are managed in your Account Settings. Payment is charged to your Apple Account upon confirmation of purchase, and subscriptions automatically renew unless canceled at least 24 hours before the current period ends.

### Is Position Size Calculator: Grid ad-free?

Yes, Position Size Calculator: Grid is ad-free. It requires a subscription to use its premium features.

### What is the age rating for Position Size Calculator: Grid?

Position Size Calculator: Grid has an age rating of 4+. This indicates it is suitable for a wide range of users.

### On which devices can I use Position Size Calculator: Grid?

Position Size Calculator: Grid is currently supported on iPhone. Future updates may expand compatibility to other devices.

### How often is Position Size Calculator: Grid updated?

The latest version of Position Size Calculator: Grid was released on February 28, 2026. Updates are released periodically to improve functionality and add new features.

## Version history (last 4 releases)

### 1.0.3 — 2026-02-28

Thank you for using Grid!

What’s New:
• Minor improvements and bug fixes

Enjoying Grid? Please leave us a review!
Questions or suggestions? hello@stadelbauer.dev

### 1.0.2 — 2025-10-21

Thank you for using Grid!

What’s New:
• Minor improvements and bug fixes
We’ve made a few behind-the-scenes adjustments to keep everything running smoothly.

### 1.0.1 — 2025-07-29

Thank you for using Grid!
We regularly update the app to improve your trading experience.

What’s New:
• Minor improvements and bug fixes
We’ve made a few behind-the-scenes adjustments to keep everything running smoothly.

### 1.0 — 2025-06-26

No release notes.

## Apps similar to Position Size Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Position Size Calculator+](https://appshunter.io/ios/app/position-size-calculator-plus/id1641853465) | 4.5 (39) | Free | Finance |
| [Position Size Calculator Plus](https://appshunter.io/ios/app/position-size-calculator-plus/id6473166448) | — | Free | Finance |
| [Forex Size Calculator: Posica](https://appshunter.io/ios/app/forex-size-calculator-posica/id1610887335) | — | Free | Finance |
| [Position Size Calculator Pro](https://appshunter.io/ios/app/position-size-calculator-pro/id6747492422) | 3.4 (5) | Free | Finance |
| [FX Position Calculator](https://appshunter.io/ios/app/fx-position-calculator/id1673065546) | 5.0 (9) | Free | Finance |
| [FX Position Size Calculator](https://appshunter.io/ios/app/fx-position-size-calculator/id1640692777) | 4.7 (228) | Free | Finance |

## More apps by Christoph Stadelbauer

- [HRV Resonant Coherence : Pace](https://appshunter.io/ios/app/hrv-resonant-coherence-pace/id6502601669)
- [FX Lot Size Calculator: FleX](https://appshunter.io/ios/app/fx-lot-size-calculator-flex/id6753135872)
- [Box Breathing Exercises: Hako](https://appshunter.io/ios/app/box-breathing-exercises-hako/id6754718435)
- [Breathing Exercises: Vento](https://appshunter.io/ios/app/breathing-exercises-vento/id6759678935)

All apps by Christoph Stadelbauer: https://appshunter.io/developer/1746084312

## Related topics

[fundednext](https://appshunter.io/ios/topics/fundednext) · [funding pips](https://appshunter.io/ios/topics/funding-pips) · [position size calculator](https://appshunter.io/ios/topics/position-size-calculator) · [lot size calculator](https://appshunter.io/ios/topics/lot-size-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*