# FX Lot Size Calculator: FleX — Position Size & Forex Trading

> Mobile app for accurate forex and gold position size calculations. (iPhone/iPad app by Christoph Stadelbauer.)

- Source: https://appshunter.io/ios/app/fx-lot-size-calculator-flex/id6753135872 (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: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 26.0 · 14 MB
- Languages: American English
- Released: 2025-10-24
- Data updated: 2026-09-04
- Monetization: subscription
- User reviews in markdown: https://appshunter.io/ios/app/fx-lot-size-calculator-flex/id6753135872/reviews.md

## What is FX Lot Size Calculator?

Stop fumbling with web calculators while trading. FleX puts accurate Lot Size Calculations right on your phone. Size your Forex & Gold Positions correctly in seconds.

# Features
• Quick Pair Selection
• Broker Independent
• Leverage Independent
• Real-Time Market Data
• Account Data saved for reuse

# Pricing
FleX 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 - $9.99 / year
• Weekly Plan - $2.99 / week
• Lifetime Plan - $24.99 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 App Settings.

# Legal
Terms of Use:  
https://lotsize.app/terms-of-use.pdf

Privacy Policy: 
https://lotsize.app/privacy-policy.pdf

## Key features

- Quick pair selection
- Broker independent
- Leverage independent
- Real-time market data
- Account data saved

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| FleX Premium | $2.99 | per 7 days |
| FleX Premium | $9.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| FleX Premium Lifetime | $24.99 | one-time |



## Frequently asked questions about FX Lot Size Calculator

### What is the short name for FX Lot Size Calculator: FleX?

The short common name for FX Lot Size Calculator: FleX is FleX. This is derived by removing the subtitle and colon from the full app name.

### How much does FleX cost?

FleX is a premium, ad-free application that requires a subscription. Pricing options include a Weekly Plan at $2.99/week, an Annual Plan at $9.99/year, and a Lifetime Plan for $24.99. A 7-day free trial is available for the annual plan.

### Does FleX have ads?

No, FleX is ad-free. The app is described as premium and ad-free, focusing on providing a clean trading experience.

### What platforms is FleX available on?

Based on the provided data, FleX is currently supported on iPhone devices.

### How often is FleX updated?

The latest version of FleX is 1.0.7, which was last updated on July 19, 2026. This suggests a relatively recent update frequency.

### What is the age rating for FleX?

FleX has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

### How do I manage my FleX subscription?

Subscriptions for FleX can be managed within the app's settings. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period.

### What user sentiment is available for FleX?

FleX has a perfect rating of 5.0 stars from 1 rating, indicating very positive initial user sentiment.

## Version history (last 5 releases)

### 1.0.7 — 2026-07-19

Thank you for using FleX!

What’s New:
• Improvements and bug fixes

Have a moment? Please leave us a review!
Questions or ideas? hello@stadelbauer.dev

### 1.0.6 — 2026-07-13

Thank you for using FleX!

What’s New
• Improvements and bug fixes

Enjoying FleX? Please leave us a review!
Questions or ideas? hello@stadelbauer.dev

### 1.0.5 — 2026-07-05

Thank you for using FleX!

### 1.0.4 — 2026-06-13

Thank you for using FleX!

### 1.0.3 — 2026-03-03

Thank you for using FleX!

What’s New:
• Added support for XAU/USD (Gold)

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

## Apps similar to FX Lot Size Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [PulseFX – Lot Size Calculator](https://appshunter.io/ios/app/pulsefx-lot-size-calculator/id6751821638) | — | Free | Finance |
| [Forexizer](https://appshunter.io/ios/app/forexizer/id6478536754) | — | Free | Finance |
| [Pips & Lot Size Calculator](https://appshunter.io/ios/app/pips-and-lot-size-calculator/id6751819770) | 5.0 (9) | Free | Finance |
| [Pip and Lot Size Calculator](https://appshunter.io/ios/app/pip-and-lot-size-calculator/id6754603970) | — | Free | Finance |
| [EzPips - Forex Pip Calculator](https://appshunter.io/ios/app/ezpips-forex-pip-calculator/id6752527882) | — | Free | Finance |
| [CryptoLive – Coin Tracker](https://appshunter.io/ios/app/cryptolive-coin-tracker/id6752990412) | — | Free | Finance |

## More apps by Christoph Stadelbauer

- [HRV Resonant Coherence : Pace](https://appshunter.io/ios/app/hrv-resonant-coherence-pace/id6502601669)
- [Position Size Calculator: Grid](https://appshunter.io/ios/app/position-size-calculator-grid/id6743808232)
- [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

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

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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 2026-09-04.*